/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "geosWrapper.h"
#include "parInsertUtil.h"
#include "parToken.h"
#include "scalar.h"
#include "tglobal.h"
#include "ttime.h"
#include "decimal.h"

// CSV delimiter and quote character definitions
#define CSV_DEFAULT_DELIMITER ','
#define CSV_QUOTE_SINGLE      '\''
#define CSV_QUOTE_DOUBLE      '"'
#define CSV_ESCAPE_CHAR       '\\'
#define CSV_QUOTE_NONE        '\0'

typedef struct SCsvParser {
  char      delimiter;            // Field delimiter (default: ',')
  char      quote;                // Quote character (default: '"')
  char      escape;               // Escape character (default: '\')
  bool      allowNewlineInField;  // Allow newlines in quoted fields
  char*     buffer;               // Read buffer
  size_t    bufferSize;           // Buffer size
  size_t    bufferPos;            // Current position in buffer
  size_t    bufferLen;            // Valid data length in buffer
  bool      eof;                  // End of file reached
  TdFilePtr pFile;                // File pointer
  // Line buffer for reuse to avoid frequent memory allocation
  char*  lineBuffer;          // Reusable line buffer
  size_t lineBufferCapacity;  // Line buffer capacity
} SCsvParser;

typedef struct SInsertParseContext {
  SParseContext* pComCxt;
  SMsgBuf        msg;
  char           tmpTokenBuf[TSDB_MAX_BYTES_PER_ROW];
  SBoundColInfo  tags;  // for stmt
  bool           missCache;
  bool           usingDuplicateTable;
  bool           forceUpdate;
  bool           needTableTagVal;
  bool           needRequest;  // whether or not request server
  bool           isStmtBind;   // whether is stmt bind
  uint8_t        stmtTbNameFlag;
} SInsertParseContext;

typedef int32_t (*_row_append_fn_t)(SMsgBuf* pMsgBuf, const void* value, int32_t len, void* param);
static int32_t parseBoundTagsClause(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt);
static int32_t parseTagsClause(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, bool autoCreate);

// CSV parser function declarations
static int32_t csvParserInit(SCsvParser* parser, TdFilePtr pFile);
static void    csvParserDestroy(SCsvParser* parser);
static int32_t csvParserFillBuffer(SCsvParser* parser);
static int32_t csvParserReadLine(SCsvParser* parser);
static void    destroySavedCsvParser(SVnodeModifyOpStmt* pStmt);
static int32_t csvParserExpandLineBuffer(SCsvParser* parser, size_t requiredLen);

static uint8_t TRUE_VALUE = (uint8_t)TSDB_TRUE;
static uint8_t FALSE_VALUE = (uint8_t)TSDB_FALSE;

static FORCE_INLINE bool isNullValue(int8_t dataType, SToken* pToken) {
  return TK_NULL == pToken->type ||
         (TK_NK_STRING == pToken->type && !IS_STR_DATA_TYPE(dataType) && IS_NULL_STR(pToken->z, pToken->n));
}

static FORCE_INLINE int32_t toDouble(SToken* pToken, double* value, char** endPtr) {
  SET_ERRNO(0);
  *value = taosStr2Double(pToken->z, endPtr);

  // not a valid integer number, return error
  if ((*endPtr - pToken->z) != pToken->n) {
    return TK_NK_ILLEGAL;
  }

  return pToken->type;
}

static int32_t skipInsertInto(const char** pSql, SMsgBuf* pMsg) {
  SToken token;
  NEXT_TOKEN(*pSql, token);
  if (TK_INSERT != token.type && TK_IMPORT != token.type) {
    return buildSyntaxErrMsg(pMsg, "keyword INSERT is expected", token.z);
  }
  NEXT_TOKEN(*pSql, token);
  if (TK_INTO != token.type) {
    return buildSyntaxErrMsg(pMsg, "keyword INTO is expected", token.z);
  }
  return TSDB_CODE_SUCCESS;
}

static int32_t skipParentheses(SInsertParseContext* pCxt, const char** pSql) {
  SToken  token;
  int32_t expectRightParenthesis = 1;
  while (1) {
    NEXT_TOKEN(*pSql, token);
    if (TK_NK_LP == token.type) {
      ++expectRightParenthesis;
    } else if (TK_NK_RP == token.type && 0 == --expectRightParenthesis) {
      break;
    }
    if (0 == token.n) {
      return buildSyntaxErrMsg(&pCxt->msg, ") expected", NULL);
    }
  }
  return TSDB_CODE_SUCCESS;
}

static int32_t skipTableOptions(SInsertParseContext* pCxt, const char** pSql) {
  do {
    int32_t index = 0;
    SToken  token;
    NEXT_TOKEN_KEEP_SQL(*pSql, token, index);
    if (TK_TTL == token.type || TK_COMMENT == token.type) {
      *pSql += index;
      NEXT_TOKEN_WITH_PREV(*pSql, token);
    } else {
      break;
    }
  } while (1);
  return TSDB_CODE_SUCCESS;
}

// pSql -> stb_name [(tag1_name, ...)] TAGS (tag1_value, ...)
static int32_t ignoreUsingClause(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  const char** pSql = &pStmt->pSql;
  int32_t code = TSDB_CODE_SUCCESS;
  SToken  token;
  NEXT_TOKEN(*pSql, token);

  NEXT_TOKEN(*pSql, token);
  if (TK_NK_LP == token.type) {
    code = skipParentheses(pCxt, pSql);
    if (TSDB_CODE_SUCCESS == code) {
      NEXT_TOKEN(*pSql, token);
    }
  }

  // pSql -> TAGS (tag1_value, ...)
  if (TSDB_CODE_SUCCESS == code) {
    if (TK_TAGS != token.type) {
      code = buildSyntaxErrMsg(&pCxt->msg, "TAGS is expected", token.z);
    } else {
      NEXT_TOKEN(*pSql, token);
    }
  }
  if (TSDB_CODE_SUCCESS == code) {
    if (TK_NK_LP != token.type) {
      code = buildSyntaxErrMsg(&pCxt->msg, "( is expected", token.z);
    } else {
      code = skipParentheses(pCxt, pSql);
    }
  }

  if (TSDB_CODE_SUCCESS == code) {
    code = skipTableOptions(pCxt, pSql);
  }

  return code;
}

static int32_t ignoreUsingClauseAndCheckTagValues(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  const char** pSql = &pStmt->pSql;
  int32_t      code = TSDB_CODE_SUCCESS;
  code = parseBoundTagsClause(pCxt, pStmt);
  if (TSDB_CODE_SUCCESS != code) {
    return code;
  }
  // pSql -> TAGS (tag1_value, ...)
  code = parseTagsClause(pCxt, pStmt, true);
  if (TSDB_CODE_SUCCESS != code) {
    return code;
  }

  if (TSDB_CODE_SUCCESS == code) {
    code = skipTableOptions(pCxt, pSql);
  }

  return code;
}

static int32_t parseDuplicateUsingClause(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, bool* pDuplicate) {
  int32_t code = TSDB_CODE_SUCCESS;
  *pDuplicate = false;

  char tbFName[TSDB_TABLE_FNAME_LEN];
  code = tNameExtractFullName(&pStmt->targetTableName, tbFName);
  if (TSDB_CODE_SUCCESS != code) {
    return code;
  }
  STableMeta** pMeta = taosHashGet(pStmt->pSubTableHashObj, tbFName, strlen(tbFName));
  if (NULL != pMeta) {
    *pDuplicate = true;
    pCxt->missCache = false;
    code = cloneTableMeta(*pMeta, &pStmt->pTableMeta);
    if (TSDB_CODE_SUCCESS != code) {
      return code;
    }
    return ignoreUsingClause(pCxt, pStmt);
  }

  return code;
}

typedef enum { BOUND_TAGS, BOUND_COLUMNS, BOUND_ALL_AND_TBNAME } EBoundColumnsType;

static int32_t getTbnameSchemaIndex(STableMeta* pTableMeta) {
  return pTableMeta->tableInfo.numOfTags + pTableMeta->tableInfo.numOfColumns;
}

// pStmt->pSql -> field1_name, ...)
static int32_t parseBoundColumns(SInsertParseContext* pCxt, const char** pSql, EBoundColumnsType boundColsType,
                                 STableMeta* pTableMeta, SBoundColInfo* pBoundInfo) {
  SSchema* pSchema = NULL;
  if (boundColsType == BOUND_TAGS) {
    pSchema = getTableTagSchema(pTableMeta);
  } else if (boundColsType == BOUND_COLUMNS) {
    pSchema = getTableColumnSchema(pTableMeta);
  } else {
    pSchema = pTableMeta->schema;
    if (pBoundInfo->numOfCols != getTbnameSchemaIndex(pTableMeta) + 1) {
      return TSDB_CODE_PAR_INTERNAL_ERROR;
    }
  }
  int32_t tbnameSchemaIndex = getTbnameSchemaIndex(pTableMeta);

  bool* pUseCols = taosMemoryCalloc(pBoundInfo->numOfCols, sizeof(bool));
  if (NULL == pUseCols) {
    return terrno;
  }

  pBoundInfo->numOfBound = 0;
  pBoundInfo->hasBoundCols = true;

  bool    hasPK = pTableMeta->tableInfo.numOfPKs;
  int16_t numOfBoundPKs = 0;
  int16_t lastColIdx = -1;  // last column found
  int32_t code = TSDB_CODE_SUCCESS;
  while (TSDB_CODE_SUCCESS == code) {
    SToken token;
    NEXT_TOKEN(*pSql, token);

    if (TK_NK_RP == token.type) {
      break;
    }

    char tmpTokenBuf[TSDB_COL_NAME_LEN + 2] = {0};  // used for deleting Escape character backstick(`)
    strncpy(tmpTokenBuf, token.z, token.n);
    token.z = tmpTokenBuf;
    token.n = strdequote(token.z);

    if (boundColsType == BOUND_ALL_AND_TBNAME && token.n == strlen("tbname") && (strcasecmp(token.z, "tbname") == 0)) {
      pBoundInfo->pColIndex[pBoundInfo->numOfBound] = tbnameSchemaIndex;
      pUseCols[tbnameSchemaIndex] = true;
      ++pBoundInfo->numOfBound;
      continue;
    }
    int16_t t = lastColIdx + 1;
    int16_t end = (boundColsType == BOUND_ALL_AND_TBNAME) ? (pBoundInfo->numOfCols - 1) : pBoundInfo->numOfCols;
    int16_t index = insFindCol(&token, t, end, pSchema);
    if (index < 0 && t > 0) {
      index = insFindCol(&token, 0, t, pSchema);
    }
    if (index < 0) {
      code = generateSyntaxErrMsg(&pCxt->msg, TSDB_CODE_PAR_INVALID_COLUMN, token.z);
    } else if (pUseCols[index]) {
      code = buildSyntaxErrMsg(&pCxt->msg, "duplicated column name", token.z);
    } else {
      lastColIdx = index;
      pUseCols[index] = true;
      pBoundInfo->pColIndex[pBoundInfo->numOfBound] = index;
      ++pBoundInfo->numOfBound;
      if (hasPK && (pSchema[index].flags & COL_IS_KEY)) ++numOfBoundPKs;
    }
  }

  if (TSDB_CODE_SUCCESS == code && (BOUND_TAGS != boundColsType)) {
    if (!pUseCols[0]) {
      code = buildInvalidOperationMsg(&pCxt->msg, "Primary timestamp column should not be null");
    }
    if (numOfBoundPKs != pTableMeta->tableInfo.numOfPKs) {
      code = buildInvalidOperationMsg(&pCxt->msg, "Primary key column should not be none");
    }
  }
  if (TSDB_CODE_SUCCESS == code && (BOUND_ALL_AND_TBNAME == boundColsType) && !pUseCols[tbnameSchemaIndex]) {
    code = buildInvalidOperationMsg(&pCxt->msg, "tbname column should not be null");
  }
  taosMemoryFree(pUseCols);

  return code;
}

static int32_t parseTimestampOrInterval(const char** end, SToken* pToken, int16_t timePrec, int64_t* ts, int64_t* interval,
                                    SMsgBuf* pMsgBuf, bool* isTs, timezone_t tz) {
  if (pToken->type == TK_NOW) {
    *isTs = true;
    *ts = taosGetTimestamp(timePrec);
  } else if (pToken->type == TK_TODAY) {
    *isTs = true;
    *ts = taosGetTimestampToday(timePrec, tz);
  } else if (pToken->type == TK_NK_INTEGER) {
    *isTs = true;
    if (TSDB_CODE_SUCCESS != toInteger(pToken->z, pToken->n, 10, ts)) {
      return buildSyntaxErrMsg(pMsgBuf, "invalid timestamp format", pToken->z);
    }
  } else if (pToken->type == TK_NK_VARIABLE) {
    char unit = 0;
    *isTs = false;
    if (parseAbsoluteDuration(pToken->z, pToken->n, interval, &unit, timePrec) != TSDB_CODE_SUCCESS) {
      return TSDB_CODE_TSC_INVALID_OPERATION;
    }
  } else {  // parse the RFC-3339/ISO-8601 timestamp format string
    *isTs = true;
    if (taosParseTime(pToken->z, ts, pToken->n, timePrec, tz) != TSDB_CODE_SUCCESS) {
      if ((pToken->n == 0) ||
          (pToken->type != TK_NK_STRING && pToken->type != TK_NK_HEX && pToken->type != TK_NK_BIN)) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid timestamp format", pToken->z);
      }
      if (IS_NOW_STR(pToken->z, pToken->n)) {
        *isTs = true;
        *ts = taosGetTimestamp(timePrec);
      } else if (IS_TODAY_STR(pToken->z, pToken->n)) {
        *isTs = true;
        *ts = taosGetTimestampToday(timePrec, tz);
      } else if (TSDB_CODE_SUCCESS == toIntegerPure(pToken->z, pToken->n, 10, ts)) {
        *isTs = true;
      } else {
        return buildSyntaxErrMsg(pMsgBuf, "invalid timestamp format", pToken->z);
      }
    }
  }

  return TSDB_CODE_SUCCESS;
}

static int parseTime(const char** end, SToken* pToken, int16_t timePrec, int64_t* time, SMsgBuf* pMsgBuf, timezone_t tz) {
  int32_t     index = 0, i = 0;
  int64_t     interval = 0, tempInterval = 0;
  int64_t     ts = 0, tempTs = 0;
  bool        firstIsTS = false, secondIsTs = false;
  const char* pTokenEnd = *end;

  if (TSDB_CODE_SUCCESS !=
      parseTimestampOrInterval(&pTokenEnd, pToken, timePrec, &ts, &interval, pMsgBuf, &firstIsTS, tz)) {
    return buildSyntaxErrMsg(pMsgBuf, "invalid timestamp format", pToken->z);
  }

  if (firstIsTS) {
    *time = ts;
  }

  for (int k = pToken->n; pToken->z[k] != '\0'; k++) {
    if (pToken->z[k] == ' ' || pToken->z[k] == '\t') continue;
    if (pToken->z[k] == '(') {  // for insert NOW()/TODAY()
      if (pToken->z[k + 1] == ')') {
        *end = pTokenEnd = &pToken->z[k + 2];
        ++k;
        continue;
      } else {
        char nc = pToken->z[k + 1];
        while (nc == ' ' || nc == '\t' || nc == '\n' || nc == '\r' || nc == '\f') {
          nc = pToken->z[(++k) + 1];
        }
        if (nc == ')') {
          *end = pTokenEnd = &pToken->z[k + 2];
          ++k;
          continue;
        }
      }
    }
    if (pToken->z[k] == ',') {
      *end = pTokenEnd;
      if (!firstIsTS) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid timestamp format", pToken->z);
      }
      *time = ts;
      return TSDB_CODE_SUCCESS;
    }
    break;
  }

  while (pTokenEnd[i] != '\0') {
    if (pTokenEnd[i] == ' ' || pTokenEnd[i] == '\t') {
      i++;
      continue;
    } else if (pTokenEnd[i] == ',' || pTokenEnd[i] == ')') {
      *end = pTokenEnd + i;
      if (!firstIsTS) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid timestamp format", pToken->z);
      }
      *time = ts;
      return TSDB_CODE_SUCCESS;
    } else {
      break;
    }
  }
  pTokenEnd = pTokenEnd + i;

  index = 0;
  SToken token = tStrGetToken(pTokenEnd, &index, false, NULL);

  if (token.type == TK_NK_MINUS || token.type == TK_NK_PLUS) {
    pTokenEnd += index;
    index = 0;
    SToken valueToken = tStrGetToken(pTokenEnd, &index, false, NULL);
    pTokenEnd += index;
    char tmpTokenBuf[TSDB_MAX_BYTES_PER_ROW];
    if (TK_NK_STRING == valueToken.type) {
      if (valueToken.n >= TSDB_MAX_BYTES_PER_ROW) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid timestamp format", valueToken.z);
      }
      int32_t len = trimString(valueToken.z, valueToken.n, tmpTokenBuf, TSDB_MAX_BYTES_PER_ROW);
      valueToken.z = tmpTokenBuf;
      valueToken.n = len;
    }

    if (TSDB_CODE_SUCCESS !=
        parseTimestampOrInterval(&pTokenEnd, &valueToken, timePrec, &tempTs, &tempInterval, pMsgBuf, &secondIsTs, tz)) {
      return buildSyntaxErrMsg(pMsgBuf, "invalid timestamp format", pToken->z);
    }

    if (valueToken.n < 2) {
      return buildSyntaxErrMsg(pMsgBuf, "value expected in timestamp", token.z);
    }

    if (secondIsTs) {
      // not support operator between tow timestamp, such as today() + now()
      if (firstIsTS) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid timestamp format", pToken->z);
      }
      ts = tempTs;
    } else {
      // not support operator between tow interval, such as 2h + 3s
      if (!firstIsTS) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid timestamp format", pToken->z);
      }
      interval = tempInterval;
    }
    if (token.type == TK_NK_MINUS) {
      // not support interval - ts,such as 2h - today()
      if (secondIsTs) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid timestamp format", pToken->z);
      }
      *time = ts - interval;
    } else {
      *time = ts + interval;
    }

    for (int k = valueToken.n; valueToken.z[k] != '\0'; k++) {
      if (valueToken.z[k] == ' ' || valueToken.z[k] == '\t') continue;
      if (valueToken.z[k] == '(' && valueToken.z[k + 1] == ')') {  // for insert NOW()/TODAY()
        *end = pTokenEnd = &valueToken.z[k + 2];
        k++;
        continue;
      }
      if (valueToken.z[k] == ',' || valueToken.z[k] == ')') {
        *end = pTokenEnd;
        return TSDB_CODE_SUCCESS;
      }
      return buildSyntaxErrMsg(pMsgBuf, "invalid timestamp format", pToken->z);
    }
  }

  *end = pTokenEnd;
  return TSDB_CODE_SUCCESS;
}

// need to call geosFreeBuffer(*output) later
static int parseGeometry(SToken* pToken, unsigned char** output, size_t* size) {
#ifdef USE_GEOS
  int32_t code = TSDB_CODE_FAILED;

  //[ToDo] support to parse WKB as well as WKT
  if (pToken->type == TK_NK_STRING) {
    code = initCtxGeomFromText();
    if (code != TSDB_CODE_SUCCESS) {
      return code;
    }

    code = doGeomFromText(pToken->z, output, size);
    if (code != TSDB_CODE_SUCCESS) {
      return code;
    }
  }

  return code;
#else
  TAOS_RETURN(TSDB_CODE_OPS_NOT_SUPPORT);
#endif
}

static int32_t parseVarbinary(SToken* pToken, uint8_t** pData, uint32_t* nData, int32_t bytes) {
  if (pToken->type != TK_NK_STRING) {
    return TSDB_CODE_PAR_INVALID_VARBINARY;
  }

  if (isHex(pToken->z + 1, pToken->n - 2)) {
    if (!isValidateHex(pToken->z + 1, pToken->n - 2)) {
      return TSDB_CODE_PAR_INVALID_VARBINARY;
    }

    void*    data = NULL;
    uint32_t size = 0;
    if (taosHex2Ascii(pToken->z + 1, pToken->n - 2, &data, &size) < 0) {
      return TSDB_CODE_OUT_OF_MEMORY;
    }

    if (size + VARSTR_HEADER_SIZE > bytes) {
      taosMemoryFree(data);
      return TSDB_CODE_PAR_VALUE_TOO_LONG;
    }
    *pData = data;
    *nData = size;
  } else {
    *pData = taosMemoryCalloc(1, pToken->n);
    if (!pData) return terrno;
    int32_t len = trimString(pToken->z, pToken->n, *pData, pToken->n);
    *nData = len;

    if (*nData + VARSTR_HEADER_SIZE > bytes) {
      return TSDB_CODE_PAR_VALUE_TOO_LONG;
    }
  }
  return TSDB_CODE_SUCCESS;
}

static int32_t parseTagToken(const char** end, SToken* pToken, SSchema* pSchema, int16_t timePrec, STagVal* val,
                             SMsgBuf* pMsgBuf, timezone_t tz, void *charsetCxt) {
  int64_t  iv;
  uint64_t uv;
  char*    endptr = NULL;
  int32_t  code = TSDB_CODE_SUCCESS;

#if 0
  if (isNullValue(pSchema->type, pToken)) {
    if (TSDB_DATA_TYPE_TIMESTAMP == pSchema->type && PRIMARYKEY_TIMESTAMP_COL_ID == pSchema->colId) {
      return buildSyntaxErrMsg(pMsgBuf, "Primary timestamp column can not be null", pToken->z);
    }

    return TSDB_CODE_SUCCESS;
  }
#endif

  //  strcpy(val->colName, pSchema->name);
  val->cid = pSchema->colId;
  val->type = pSchema->type;

  switch (pSchema->type) {
    case TSDB_DATA_TYPE_BOOL: {
      if ((pToken->type == TK_NK_BOOL || pToken->type == TK_NK_STRING) && (pToken->n != 0)) {
        if (IS_TRUE_STR(pToken->z, pToken->n)) {
          *(int8_t*)(&val->i64) = TRUE_VALUE;
        } else if (IS_FALSE_STR(pToken->z, pToken->n)) {
          *(int8_t*)(&val->i64) = FALSE_VALUE;
        } else if (TSDB_CODE_SUCCESS == toDoubleEx(pToken->z, pToken->n, pToken->type, (double*)&iv)) {
          *(int8_t*)(&val->i64) = (*(double*)&iv == 0 ? FALSE_VALUE : TRUE_VALUE);
        } else {
          return buildSyntaxErrMsg(pMsgBuf, "invalid bool data", pToken->z);
        }
      } else if (pToken->type == TK_NK_INTEGER) {
        *(int8_t*)(&val->i64) = ((taosStr2Int64(pToken->z, NULL, 10) == 0) ? FALSE_VALUE : TRUE_VALUE);
      } else if (pToken->type == TK_NK_FLOAT) {
        *(int8_t*)(&val->i64) = ((taosStr2Double(pToken->z, NULL) == 0) ? FALSE_VALUE : TRUE_VALUE);
      } else if ((pToken->type == TK_NK_HEX || pToken->type == TK_NK_BIN) &&
                 (TSDB_CODE_SUCCESS == toDoubleEx(pToken->z, pToken->n, pToken->type, (double*)&iv))) {
        *(int8_t*)(&val->i64) = (*(double*)&iv == 0 ? FALSE_VALUE : TRUE_VALUE);
      } else {
        return buildSyntaxErrMsg(pMsgBuf, "invalid bool data", pToken->z);
      }
      break;
    }

    case TSDB_DATA_TYPE_TINYINT: {
      code = toIntegerEx(pToken->z, pToken->n, pToken->type, &iv);
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid tinyint data", pToken->z);
      } else if (!IS_VALID_TINYINT(iv)) {
        return buildSyntaxErrMsg(pMsgBuf, "tinyint data overflow", pToken->z);
      }

      *(int8_t*)(&val->i64) = iv;
      break;
    }

    case TSDB_DATA_TYPE_UTINYINT: {
      code = toUIntegerEx(pToken->z, pToken->n, pToken->type, &uv);
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid unsigned tinyint data", pToken->z);
      } else if (uv > UINT8_MAX) {
        return buildSyntaxErrMsg(pMsgBuf, "unsigned tinyint data overflow", pToken->z);
      }
      *(uint8_t*)(&val->i64) = uv;
      break;
    }

    case TSDB_DATA_TYPE_SMALLINT: {
      code = toIntegerEx(pToken->z, pToken->n, pToken->type, &iv);
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid smallint data", pToken->z);
      } else if (!IS_VALID_SMALLINT(iv)) {
        return buildSyntaxErrMsg(pMsgBuf, "smallint data overflow", pToken->z);
      }
      *(int16_t*)(&val->i64) = iv;
      break;
    }

    case TSDB_DATA_TYPE_USMALLINT: {
      code = toUIntegerEx(pToken->z, pToken->n, pToken->type, &uv);
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid unsigned smallint data", pToken->z);
      } else if (uv > UINT16_MAX) {
        return buildSyntaxErrMsg(pMsgBuf, "unsigned smallint data overflow", pToken->z);
      }
      *(uint16_t*)(&val->i64) = uv;
      break;
    }

    case TSDB_DATA_TYPE_INT: {
      code = toIntegerEx(pToken->z, pToken->n, pToken->type, &iv);
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid int data", pToken->z);
      } else if (!IS_VALID_INT(iv)) {
        return buildSyntaxErrMsg(pMsgBuf, "int data overflow", pToken->z);
      }
      *(int32_t*)(&val->i64) = iv;
      break;
    }

    case TSDB_DATA_TYPE_UINT: {
      code = toUIntegerEx(pToken->z, pToken->n, pToken->type, &uv);
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid unsigned int data", pToken->z);
      } else if (uv > UINT32_MAX) {
        return buildSyntaxErrMsg(pMsgBuf, "unsigned int data overflow", pToken->z);
      }
      *(uint32_t*)(&val->i64) = uv;
      break;
    }

    case TSDB_DATA_TYPE_BIGINT: {
      code = toIntegerEx(pToken->z, pToken->n, pToken->type, &iv);
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid bigint data", pToken->z);
      }
      val->i64 = iv;
      break;
    }

    case TSDB_DATA_TYPE_UBIGINT: {
      code = toUIntegerEx(pToken->z, pToken->n, pToken->type, &uv);
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid unsigned bigint data", pToken->z);
      }
      *(uint64_t*)(&val->i64) = uv;
      break;
    }

    case TSDB_DATA_TYPE_FLOAT: {
      double dv;
      code = toDoubleEx(pToken->z, pToken->n, pToken->type, &dv);
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(pMsgBuf, "illegal float data", pToken->z);
      }
      if (dv > FLT_MAX || dv < -FLT_MAX || isinf(dv) || isnan(dv)) {
        return buildSyntaxErrMsg(pMsgBuf, "illegal float data", pToken->z);
      }
      *(float*)(&val->i64) = dv;
      break;
    }

    case TSDB_DATA_TYPE_DOUBLE: {
      double dv;
      code = toDoubleEx(pToken->z, pToken->n, pToken->type, &dv);
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(pMsgBuf, "illegal float data", pToken->z);
      }
      if (((dv == HUGE_VAL || dv == -HUGE_VAL) && ERRNO == ERANGE) || isinf(dv) || isnan(dv)) {
        return buildSyntaxErrMsg(pMsgBuf, "illegal double data", pToken->z);
      }

      *(double*)(&val->i64) = dv;
      break;
    }

    case TSDB_DATA_TYPE_BINARY: {
      // Too long values will raise the invalid sql error message
      if (pToken->n + VARSTR_HEADER_SIZE > pSchema->bytes) {
        return generateSyntaxErrMsg(pMsgBuf, TSDB_CODE_PAR_VALUE_TOO_LONG, pSchema->name);
      }
      val->pData = taosStrdup(pToken->z);
      if (!val->pData) {
        return terrno;
      }
      val->nData = pToken->n;
      break;
    }
    case TSDB_DATA_TYPE_VARBINARY: {
      code = parseVarbinary(pToken, &val->pData, &val->nData, pSchema->bytes);
      if (code != TSDB_CODE_SUCCESS) {
        return generateSyntaxErrMsg(pMsgBuf, code, pSchema->name);
      }
      break;
    }
    case TSDB_DATA_TYPE_GEOMETRY: {
      unsigned char* output = NULL;
      size_t         size = 0;

      code = parseGeometry(pToken, &output, &size);
      if (code != TSDB_CODE_SUCCESS) {
        code = buildSyntaxErrMsg(pMsgBuf, getGeosErrMsg(code), pToken->z);
      } else if (size + VARSTR_HEADER_SIZE > pSchema->bytes) {
        // Too long values will raise the invalid sql error message
        code = generateSyntaxErrMsg(pMsgBuf, TSDB_CODE_PAR_VALUE_TOO_LONG, pSchema->name);
      } else {
        val->pData = taosMemoryMalloc(size);
        if (NULL == val->pData) {
          code = terrno;
        } else {
          memcpy(val->pData, output, size);
          val->nData = size;
        }
      }

      geosFreeBuffer(output);
      break;
    }

    case TSDB_DATA_TYPE_NCHAR: {
      int32_t output = 0;
      int64_t realLen = pToken->n << 2;
      if (realLen > pSchema->bytes - VARSTR_HEADER_SIZE) realLen = pSchema->bytes - VARSTR_HEADER_SIZE;
      void* p = taosMemoryMalloc(realLen);
      if (p == NULL) {
        return terrno;
      }
      if (!taosMbsToUcs4(pToken->z, pToken->n, (TdUcs4*)(p), realLen, &output, charsetCxt)) {
        if (terrno == TAOS_SYSTEM_ERROR(E2BIG)) {
          taosMemoryFree(p);
          return generateSyntaxErrMsg(pMsgBuf, TSDB_CODE_PAR_VALUE_TOO_LONG, pSchema->name);
        }
        char buf[512] = {0};
        snprintf(buf, tListLen(buf), " taosMbsToUcs4 error:%s %d %d", strerror(terrno), ERRNO, EILSEQ);
        taosMemoryFree(p);
        return buildSyntaxErrMsg(pMsgBuf, buf, pToken->z);
      }
      val->pData = p;
      val->nData = output;
      break;
    }
    case TSDB_DATA_TYPE_TIMESTAMP: {
      if (parseTime(end, pToken, timePrec, &iv, pMsgBuf, tz) != TSDB_CODE_SUCCESS) {
        return buildSyntaxErrMsg(pMsgBuf, "invalid timestamp", pToken->z);
      }

      val->i64 = iv;
      break;
    }
  }

  return code;
}

// input pStmt->pSql:  [(tag1_name, ...)] TAGS (tag1_value, ...) ...
// output pStmt->pSql: TAGS (tag1_value, ...) ...
static int32_t parseBoundTagsClause(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  int32_t code = insInitBoundColsInfo(getNumOfTags(pStmt->pTableMeta), &pCxt->tags);
  if (TSDB_CODE_SUCCESS != code) {
    return code;
  }

  SToken  token;
  int32_t index = 0;
  NEXT_TOKEN_KEEP_SQL(pStmt->pSql, token, index);
  if (TK_NK_LP != token.type) {
    return TSDB_CODE_SUCCESS;
  }

  pStmt->pSql += index;
  return parseBoundColumns(pCxt, &pStmt->pSql, BOUND_TAGS, pStmt->pTableMeta, &pCxt->tags);
}

int32_t parseTagValue(SMsgBuf* pMsgBuf, const char** pSql, uint8_t precision, SSchema* pTagSchema, SToken* pToken,
                      SArray* pTagName, SArray* pTagVals, STag** pTag, timezone_t tz, void *charsetCxt) {
  bool isNull = isNullValue(pTagSchema->type, pToken);
  if (!isNull && pTagName) {
    if (NULL == taosArrayPush(pTagName, pTagSchema->name)) {
      return terrno;
    }
  }

  if (pTagSchema->type == TSDB_DATA_TYPE_JSON) {
    if (pToken->n > (TSDB_MAX_JSON_TAG_LEN - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE) {
      return buildSyntaxErrMsg(pMsgBuf, "json string too long than 4095", pToken->z);
    }

    if (isNull) {
      return tTagNew(pTagVals, 1, true, pTag);
    } else {
      return parseJsontoTagData(pToken->z, pTagVals, pTag, pMsgBuf, charsetCxt);
    }
  }

  if (isNull) return 0;

  STagVal val = {0};
  int32_t code = parseTagToken(pSql, pToken, pTagSchema, precision, &val, pMsgBuf, tz, charsetCxt);
  if (TSDB_CODE_SUCCESS == code) {
    if (NULL == taosArrayPush(pTagVals, &val)) {
      code = terrno;
    }
  }

  return code;
}

static int32_t buildCreateTbReq(SVnodeModifyOpStmt* pStmt, STag* pTag, SArray* pTagName) {
  if (pStmt->pCreateTblReq) {
    tdDestroySVCreateTbReq(pStmt->pCreateTblReq);
    taosMemoryFreeClear(pStmt->pCreateTblReq);
  }
  pStmt->pCreateTblReq = taosMemoryCalloc(1, sizeof(SVCreateTbReq));
  if (NULL == pStmt->pCreateTblReq) {
    return terrno;
  }
  return insBuildCreateTbReq(pStmt->pCreateTblReq, pStmt->targetTableName.tname, pTag, pStmt->pTableMeta->suid,
                             pStmt->usingTableName.tname, pTagName, pStmt->pTableMeta->tableInfo.numOfTags,
                             TSDB_DEFAULT_TABLE_TTL);
}

int32_t checkAndTrimValue(SToken* pToken, char* tmpTokenBuf, SMsgBuf* pMsgBuf, int8_t type) {
  if (pToken->type == TK_NK_QUESTION) {
    return buildInvalidOperationMsg(pMsgBuf, "insert into super table syntax is not supported for stmt");
  }
  if ((pToken->type != TK_NOW && pToken->type != TK_TODAY && pToken->type != TK_NK_INTEGER &&
       pToken->type != TK_NK_STRING && pToken->type != TK_NK_FLOAT && pToken->type != TK_NK_BOOL &&
       pToken->type != TK_NULL && pToken->type != TK_NK_HEX && pToken->type != TK_NK_OCT && pToken->type != TK_NK_BIN &&
       pToken->type != TK_NK_VARIABLE) ||
      (pToken->n == 0) || (pToken->type == TK_NK_RP)) {
    return buildSyntaxErrMsg(pMsgBuf, "invalid data or symbol", pToken->z);
  }

  // Remove quotation marks
  if (TK_NK_STRING == pToken->type && type != TSDB_DATA_TYPE_VARBINARY) {
    if (pToken->n >= TSDB_MAX_BYTES_PER_ROW) {
      return buildSyntaxErrMsg(pMsgBuf, "too long string", pToken->z);
    }

    int32_t len = trimString(pToken->z, pToken->n, tmpTokenBuf, TSDB_MAX_BYTES_PER_ROW);
    pToken->z = tmpTokenBuf;
    pToken->n = len;
  }

  return TSDB_CODE_SUCCESS;
}

typedef struct SRewriteTagCondCxt {
  SArray* pTagVals;
  SArray* pTagName;
  int32_t code;
} SRewriteTagCondCxt;

static int32_t rewriteTagCondColumnImpl(STagVal* pVal, SNode** pNode) {
  SValueNode* pValue = NULL;
  int32_t     code = nodesMakeNode(QUERY_NODE_VALUE, (SNode**)&pValue);
  if (NULL == pValue) {
    return code;
  }

  pValue->node.resType = ((SColumnNode*)*pNode)->node.resType;
  nodesDestroyNode(*pNode);
  *pNode = (SNode*)pValue;

  switch (pVal->type) {
    case TSDB_DATA_TYPE_BOOL:
      pValue->datum.b = *(int8_t*)(&pVal->i64);
      *(bool*)&pValue->typeData = pValue->datum.b;
      break;
    case TSDB_DATA_TYPE_TINYINT:
      pValue->datum.i = *(int8_t*)(&pVal->i64);
      *(int8_t*)&pValue->typeData = pValue->datum.i;
      break;
    case TSDB_DATA_TYPE_SMALLINT:
      pValue->datum.i = *(int16_t*)(&pVal->i64);
      *(int16_t*)&pValue->typeData = pValue->datum.i;
      break;
    case TSDB_DATA_TYPE_INT:
      pValue->datum.i = *(int32_t*)(&pVal->i64);
      *(int32_t*)&pValue->typeData = pValue->datum.i;
      break;
    case TSDB_DATA_TYPE_BIGINT:
      pValue->datum.i = pVal->i64;
      pValue->typeData = pValue->datum.i;
      break;
    case TSDB_DATA_TYPE_FLOAT:
      pValue->datum.d = *(float*)(&pVal->i64);
      *(float*)&pValue->typeData = pValue->datum.d;
      break;
    case TSDB_DATA_TYPE_DOUBLE:
      pValue->datum.d = *(double*)(&pVal->i64);
      *(double*)&pValue->typeData = pValue->datum.d;
      break;
    case TSDB_DATA_TYPE_VARCHAR:
    case TSDB_DATA_TYPE_VARBINARY:
    case TSDB_DATA_TYPE_NCHAR:
      pValue->datum.p = taosMemoryCalloc(1, pVal->nData + VARSTR_HEADER_SIZE);
      if (NULL == pValue->datum.p) {
        return terrno;
      }
      varDataSetLen(pValue->datum.p, pVal->nData);
      memcpy(varDataVal(pValue->datum.p), pVal->pData, pVal->nData);
      break;
    case TSDB_DATA_TYPE_TIMESTAMP:
      pValue->datum.i = pVal->i64;
      pValue->typeData = pValue->datum.i;
      break;
    case TSDB_DATA_TYPE_UTINYINT:
      pValue->datum.i = *(uint8_t*)(&pVal->i64);
      *(uint8_t*)&pValue->typeData = pValue->datum.i;
      break;
    case TSDB_DATA_TYPE_USMALLINT:
      pValue->datum.i = *(uint16_t*)(&pVal->i64);
      *(uint16_t*)&pValue->typeData = pValue->datum.i;
      break;
    case TSDB_DATA_TYPE_UINT:
      pValue->datum.i = *(uint32_t*)(&pVal->i64);
      *(uint32_t*)&pValue->typeData = pValue->datum.i;
      break;
    case TSDB_DATA_TYPE_UBIGINT:
      pValue->datum.i = *(uint64_t*)(&pVal->i64);
      *(uint64_t*)&pValue->typeData = pValue->datum.i;
      break;
    case TSDB_DATA_TYPE_JSON:
    case TSDB_DATA_TYPE_DECIMAL:
    case TSDB_DATA_TYPE_BLOB:
    case TSDB_DATA_TYPE_MEDIUMBLOB:
    default:
      return TSDB_CODE_FAILED;
  }
  return TSDB_CODE_SUCCESS;
}

static int32_t rewriteTagCondColumn(SArray* pTagVals, SArray* pTagName, SNode** pNode) {
  SColumnNode* pCol = (SColumnNode*)*pNode;
  int32_t      ntags = taosArrayGetSize(pTagName);
  for (int32_t i = 0; i < ntags; ++i) {
    char* pTagColName = taosArrayGet(pTagName, i);
    if (0 == strcmp(pTagColName, pCol->colName)) {
      return rewriteTagCondColumnImpl(taosArrayGet(pTagVals, i), pNode);
    }
  }
  return TSDB_CODE_PAR_PERMISSION_DENIED;
}

static EDealRes rewriteTagCond(SNode** pNode, void* pContext) {
  if (QUERY_NODE_COLUMN == nodeType(*pNode)) {
    SRewriteTagCondCxt* pCxt = pContext;
    pCxt->code = rewriteTagCondColumn(pCxt->pTagVals, pCxt->pTagName, pNode);
    return (TSDB_CODE_SUCCESS == pCxt->code ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR);
  }
  return DEAL_RES_CONTINUE;
}

static int32_t setTagVal(SArray* pTagVals, SArray* pTagName, SNode* pCond) {
  SRewriteTagCondCxt cxt = {.code = TSDB_CODE_SUCCESS, .pTagVals = pTagVals, .pTagName = pTagName};
  nodesRewriteExpr(&pCond, rewriteTagCond, &cxt);
  return cxt.code;
}

static int32_t checkTagCondResult(SNode* pResult) {
  return (QUERY_NODE_VALUE == nodeType(pResult) && ((SValueNode*)pResult)->datum.b) ? TSDB_CODE_SUCCESS
                                                                                    : TSDB_CODE_PAR_PERMISSION_DENIED;
}

static int32_t checkSubtablePrivilege(SArray* pTagVals, SArray* pTagName, SNode** pCond) {
  int32_t code = setTagVal(pTagVals, pTagName, *pCond);
  if (TSDB_CODE_SUCCESS == code) {
    code = scalarCalculateConstants(*pCond, pCond);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = checkTagCondResult(*pCond);
  }
  NODES_DESTORY_NODE(*pCond);
  return code;
}

// pSql -> tag1_value, ...)
static int32_t parseTagsClauseImpl(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, bool autoCreate) {
  int32_t  code = TSDB_CODE_SUCCESS;
  SSchema* pSchema = getTableTagSchema(pStmt->pTableMeta);
  SArray*  pTagVals = NULL;
  SArray*  pTagName = NULL;
  uint8_t  precision = pStmt->pTableMeta->tableInfo.precision;
  SToken   token;
  bool     isParseBindParam = false;
  bool     isJson = false;
  STag*    pTag = NULL;

  if (!(pTagVals = taosArrayInit(pCxt->tags.numOfBound, sizeof(STagVal))) ||
      !(pTagName = taosArrayInit(pCxt->tags.numOfBound, TSDB_COL_NAME_LEN))) {
    code = terrno;
    goto _exit;
  }

  for (int i = 0; TSDB_CODE_SUCCESS == code && i < pCxt->tags.numOfBound; ++i) {
    NEXT_TOKEN_WITH_PREV(pStmt->pSql, token);

    if (token.type == TK_NK_QUESTION) {
      isParseBindParam = true;
      if (NULL == pCxt->pComCxt->pStmtCb) {
        code = buildSyntaxErrMsg(&pCxt->msg, "? only used in stmt", token.z);
        break;
      }
      if (pTagVals->size != 0) {
        code = buildSyntaxErrMsg(&pCxt->msg, "no mix usage for ? and tag values", token.z);
        break;
      }

      continue;
    }

    if (isParseBindParam) {
      code = buildInvalidOperationMsg(&pCxt->msg, "no mix usage for ? and tag values");
      break;
    }

    SSchema* pTagSchema = &pSchema[pCxt->tags.pColIndex[i]];
    isJson = pTagSchema->type == TSDB_DATA_TYPE_JSON;
    code = checkAndTrimValue(&token, pCxt->tmpTokenBuf, &pCxt->msg, pTagSchema->type);
    if (TSDB_CODE_SUCCESS == code && TK_NK_VARIABLE == token.type) {
      code = buildSyntaxErrMsg(&pCxt->msg, "not expected tags values ", token.z);
    }
    if (TSDB_CODE_SUCCESS == code) {
      code = parseTagValue(&pCxt->msg, &pStmt->pSql, precision, pTagSchema, &token, pTagName, pTagVals, &pTag, pCxt->pComCxt->timezone, pCxt->pComCxt->charsetCxt);
    }
  }

  if (TSDB_CODE_SUCCESS == code && NULL != pStmt->pTagCond) {
    code = checkSubtablePrivilege(pTagVals, pTagName, &pStmt->pTagCond);
  }

  if (TSDB_CODE_SUCCESS == code && !isParseBindParam && !isJson) {
    code = tTagNew(pTagVals, 1, false, &pTag);
  }

  if (TSDB_CODE_SUCCESS == code && !isParseBindParam && !autoCreate) {
    code = buildCreateTbReq(pStmt, pTag, pTagName);
    pTag = NULL;
  }

  if (code == TSDB_CODE_SUCCESS && !isParseBindParam) {
    pCxt->stmtTbNameFlag |= IS_FIXED_TAG;
  }

_exit:
  for (int32_t i = 0; i < taosArrayGetSize(pTagVals); ++i) {
    STagVal* p = (STagVal*)TARRAY_GET_ELEM(pTagVals, i);
    if (IS_VAR_DATA_TYPE(p->type)) {
      taosMemoryFreeClear(p->pData);
    }
  }
  taosArrayDestroy(pTagVals);
  taosArrayDestroy(pTagName);
  tTagFree(pTag);
  return code;
}

// input pStmt->pSql:  TAGS (tag1_value, ...) [table_options] ...
// output pStmt->pSql: [table_options] ...
static int32_t parseTagsClause(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, bool autoCreate) {
  SToken token;
  NEXT_TOKEN(pStmt->pSql, token);
  if (TK_TAGS != token.type) {
    return buildSyntaxErrMsg(&pCxt->msg, "TAGS is expected", token.z);
  }

  NEXT_TOKEN(pStmt->pSql, token);
  if (TK_NK_LP != token.type) {
    return buildSyntaxErrMsg(&pCxt->msg, "( is expected", token.z);
  }

  int32_t code = parseTagsClauseImpl(pCxt, pStmt, autoCreate);
  if (TSDB_CODE_SUCCESS == code) {
    NEXT_VALID_TOKEN(pStmt->pSql, token);
    if (TK_NK_COMMA == token.type) {
      code = generateSyntaxErrMsg(&pCxt->msg, TSDB_CODE_PAR_TAGS_NOT_MATCHED);
    } else if (TK_NK_RP != token.type) {
      code = buildSyntaxErrMsg(&pCxt->msg, ") is expected", token.z);
    }
  }
  return code;
}

static int32_t storeChildTableMeta(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  pStmt->pTableMeta->suid = pStmt->pTableMeta->uid;
  pStmt->pTableMeta->uid = pStmt->totalTbNum;
  pStmt->pTableMeta->tableType = TSDB_CHILD_TABLE;

  STableMeta* pBackup = NULL;
  if (TSDB_CODE_SUCCESS != cloneTableMeta(pStmt->pTableMeta, &pBackup)) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  char    tbFName[TSDB_TABLE_FNAME_LEN];
  int32_t code = tNameExtractFullName(&pStmt->targetTableName, tbFName);
  if (TSDB_CODE_SUCCESS != code) {
    taosMemoryFree(pBackup);
    return code;
  }
  code = taosHashPut(pStmt->pSubTableHashObj, tbFName, strlen(tbFName), &pBackup, POINTER_BYTES);
  if (TSDB_CODE_SUCCESS != code) {
    taosMemoryFree(pBackup);
  }
  return code;
}

static int32_t parseTableOptions(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  do {
    int32_t index = 0;
    SToken  token;
    NEXT_TOKEN_KEEP_SQL(pStmt->pSql, token, index);
    if (TK_TTL == token.type) {
      pStmt->pSql += index;
      NEXT_TOKEN_WITH_PREV(pStmt->pSql, token);
      if (TK_NK_INTEGER != token.type) {
        return buildSyntaxErrMsg(&pCxt->msg, "Invalid option ttl", token.z);
      }
      pStmt->pCreateTblReq->ttl = taosStr2Int32(token.z, NULL, 10);
      if (pStmt->pCreateTblReq->ttl < 0) {
        return buildSyntaxErrMsg(&pCxt->msg, "Invalid option ttl", token.z);
      }
    } else if (TK_COMMENT == token.type) {
      pStmt->pSql += index;
      NEXT_TOKEN(pStmt->pSql, token);
      if (TK_NK_STRING != token.type) {
        return buildSyntaxErrMsg(&pCxt->msg, "Invalid option comment", token.z);
      }
      if (token.n >= TSDB_TB_COMMENT_LEN) {
        return buildSyntaxErrMsg(&pCxt->msg, "comment too long", token.z);
      }
      int32_t len = trimString(token.z, token.n, pCxt->tmpTokenBuf, TSDB_TB_COMMENT_LEN);
      pStmt->pCreateTblReq->comment = taosStrndup(pCxt->tmpTokenBuf, len);
      if (NULL == pStmt->pCreateTblReq->comment) {
        return terrno;
      }
      pStmt->pCreateTblReq->commentLen = len;
    } else {
      break;
    }
  } while (1);
  return TSDB_CODE_SUCCESS;
}

// input pStmt->pSql:
//   1. [(tag1_name, ...)] ...
//   2. VALUES ... | FILE ...
// output pStmt->pSql:
//   1. [(field1_name, ...)]
//   2. VALUES ... | FILE ...
static int32_t parseUsingClauseBottom(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  if (!pStmt->usingTableProcessing || pCxt->usingDuplicateTable) {
    return TSDB_CODE_SUCCESS;
  }

  int32_t code = parseBoundTagsClause(pCxt, pStmt);
  if (TSDB_CODE_SUCCESS == code) {
    code = parseTagsClause(pCxt, pStmt, false);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = parseTableOptions(pCxt, pStmt);
  }

  return code;
}

static void setUserAuthInfo(SParseContext* pCxt, SName* pTbName, SUserAuthInfo* pInfo) {
  snprintf(pInfo->user, sizeof(pInfo->user), "%s", pCxt->pUser);
  memcpy(&pInfo->tbName, pTbName, sizeof(SName));
  pInfo->type = AUTH_TYPE_WRITE;
}

static int32_t checkAuth(SParseContext* pCxt, SName* pTbName, bool* pMissCache, SNode** pTagCond) {
  int32_t       code = TSDB_CODE_SUCCESS;
  SUserAuthInfo authInfo = {0};
  setUserAuthInfo(pCxt, pTbName, &authInfo);
  SUserAuthRes authRes = {0};
  bool         exists = true;
  if (pCxt->async) {
    code = catalogChkAuthFromCache(pCxt->pCatalog, &authInfo, &authRes, &exists);
  } else {
    SRequestConnInfo conn = {.pTrans = pCxt->pTransporter,
                             .requestId = pCxt->requestId,
                             .requestObjRefId = pCxt->requestRid,
                             .mgmtEps = pCxt->mgmtEpSet};
    code = catalogChkAuth(pCxt->pCatalog, &conn, &authInfo, &authRes);
  }
  if (TSDB_CODE_SUCCESS == code) {
    if (!exists) {
      *pMissCache = true;
    } else if (!authRes.pass[AUTH_RES_BASIC]) {
      code = TSDB_CODE_PAR_PERMISSION_DENIED;
    } else if (NULL != authRes.pCond[AUTH_RES_BASIC]) {
      *pTagCond = authRes.pCond[AUTH_RES_BASIC];
    }
  }
  return code;
}

static int32_t getTableMeta(SInsertParseContext* pCxt, SName* pTbName, STableMeta** pTableMeta, bool* pMissCache,
                            bool bUsingTable) {
  SParseContext* pComCxt = pCxt->pComCxt;
  int32_t        code = TSDB_CODE_SUCCESS;
  if (pComCxt->async) {
    if (bUsingTable) {
      code = catalogGetCachedSTableMeta(pComCxt->pCatalog, pTbName, pTableMeta);
    } else {
      code = catalogGetCachedTableMeta(pComCxt->pCatalog, pTbName, pTableMeta);
    }
  } else {
    SRequestConnInfo conn = {.pTrans = pComCxt->pTransporter,
                             .requestId = pComCxt->requestId,
                             .requestObjRefId = pComCxt->requestRid,
                             .mgmtEps = pComCxt->mgmtEpSet};
    if (bUsingTable) {
      code = catalogGetSTableMeta(pComCxt->pCatalog, &conn, pTbName, pTableMeta);
    } else {
      code = catalogGetTableMeta(pComCxt->pCatalog, &conn, pTbName, pTableMeta);
    }
  }
  if (TSDB_CODE_SUCCESS == code) {
    if (NULL == *pTableMeta) {
      *pMissCache = true;
    } else if (bUsingTable && TSDB_SUPER_TABLE != (*pTableMeta)->tableType) {
      code = buildInvalidOperationMsg(&pCxt->msg, "create table only from super table is allowed");
    } else if (((*pTableMeta)->virtualStb) ||
               TSDB_VIRTUAL_CHILD_TABLE == (*pTableMeta)->tableType ||
               TSDB_VIRTUAL_NORMAL_TABLE == (*pTableMeta)->tableType) {
      code = TSDB_CODE_VTABLE_NOT_SUPPORT_STMT;
    }
  }
  return code;
}

static int32_t getTargetTableVgroup(SParseContext* pCxt, SVnodeModifyOpStmt* pStmt, bool isStb, bool* pMissCache) {
  int32_t     code = TSDB_CODE_SUCCESS;
  SVgroupInfo vg;
  bool        exists = true;
  if (pCxt->async) {
    code = catalogGetCachedTableHashVgroup(pCxt->pCatalog, &pStmt->targetTableName, &vg, &exists);
  } else {
    SRequestConnInfo conn = {.pTrans = pCxt->pTransporter,
                             .requestId = pCxt->requestId,
                             .requestObjRefId = pCxt->requestRid,
                             .mgmtEps = pCxt->mgmtEpSet};
    code = catalogGetTableHashVgroup(pCxt->pCatalog, &conn, &pStmt->targetTableName, &vg);
  }
  if (TSDB_CODE_SUCCESS == code) {
    if (exists) {
      if (isStb) {
        pStmt->pTableMeta->vgId = vg.vgId;
      }
      code = taosHashPut(pStmt->pVgroupsHashObj, (const char*)&vg.vgId, sizeof(vg.vgId), (char*)&vg, sizeof(vg));
    }
    *pMissCache = !exists;
  }
  return code;
}

static int32_t getTargetTableMetaAndVgroup(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, bool* pMissCache) {
  SParseContext* pComCxt = pCxt->pComCxt;
  int32_t        code = TSDB_CODE_SUCCESS;
  if (pComCxt->async) {
    {
      SVgroupInfo vg;
      code = catalogGetCachedTableVgMeta(pComCxt->pCatalog, &pStmt->targetTableName, &vg, &pStmt->pTableMeta);
      if (TSDB_CODE_SUCCESS == code) {
        if (NULL != pStmt->pTableMeta) {
          if (pStmt->pTableMeta->tableType == TSDB_SUPER_TABLE) {
            pStmt->stbSyntax = true;
          } else {
            code = taosHashPut(pStmt->pVgroupsHashObj, (const char*)&vg.vgId, sizeof(vg.vgId), (char*)&vg, sizeof(vg));
          }
        }
        *pMissCache = (NULL == pStmt->pTableMeta);
      }
    }
  } else {
    bool bUsingTable = false;
    code = getTableMeta(pCxt, &pStmt->targetTableName, &pStmt->pTableMeta, pMissCache, bUsingTable);
    if (TSDB_CODE_SUCCESS == code && !pCxt->missCache) {
      if (TSDB_SUPER_TABLE == pStmt->pTableMeta->tableType) {
        pStmt->stbSyntax = true;
      }
      if (!pStmt->stbSyntax) {
        code = getTargetTableVgroup(pCxt->pComCxt, pStmt, false, &pCxt->missCache);
      }
    }
  }
  return code;
}

static int32_t collectUseTable(const SName* pName, SHashObj* pTable) {
  char    fullName[TSDB_TABLE_FNAME_LEN];
  int32_t code = tNameExtractFullName(pName, fullName);
  if (TSDB_CODE_SUCCESS != code) {
    return code;
  }
  return taosHashPut(pTable, fullName, strlen(fullName), pName, sizeof(SName));
}

static int32_t collectUseDatabase(const SName* pName, SHashObj* pDbs) {
  char dbFName[TSDB_DB_FNAME_LEN] = {0};
  (void)tNameGetFullDbName(pName, dbFName);
  return taosHashPut(pDbs, dbFName, strlen(dbFName), dbFName, sizeof(dbFName));
}

static int32_t getTargetTableSchema(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  if (pCxt->forceUpdate) {
    pCxt->missCache = true;
    return TSDB_CODE_SUCCESS;
  }
  SNode*  pTagCond = NULL;
  int32_t code = checkAuth(pCxt->pComCxt, &pStmt->targetTableName, &pCxt->missCache, &pTagCond);
  if (TSDB_CODE_SUCCESS == code && !pCxt->missCache) {
    code = getTargetTableMetaAndVgroup(pCxt, pStmt, &pCxt->missCache);
  }

  if (TSDB_CODE_SUCCESS == code && !pCxt->missCache) {
    if (TSDB_SUPER_TABLE != pStmt->pTableMeta->tableType) {
      pCxt->needTableTagVal = (NULL != pTagCond);
      pCxt->missCache = (NULL != pTagCond);
    } else {
      pStmt->pTagCond = NULL;
      code = nodesCloneNode(pTagCond, &pStmt->pTagCond);
    }
  }
  nodesDestroyNode(pTagCond);

  if (TSDB_CODE_SUCCESS == code && !pCxt->pComCxt->async) {
    code = collectUseDatabase(&pStmt->targetTableName, pStmt->pDbFNameHashObj);
    if (TSDB_CODE_SUCCESS == code) {
      code = collectUseTable(&pStmt->targetTableName, pStmt->pTableNameHashObj);
    }
  }
  return code;
}

static int32_t preParseUsingTableName(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, SToken* pTbName) {
  return insCreateSName(&pStmt->usingTableName, pTbName, pCxt->pComCxt->acctId, pCxt->pComCxt->db, &pCxt->msg);
}

static int32_t getUsingTableSchema(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, bool* ctbCacheHit) {
  int32_t code = TSDB_CODE_SUCCESS;
  STableMeta* pStableMeta = NULL;
  STableMeta* pCtableMeta = NULL;
  if (pCxt->forceUpdate) {
    pCxt->missCache = true;
    return TSDB_CODE_SUCCESS;
  }
  char stableFName[TSDB_TABLE_FNAME_LEN];
  code = tNameExtractFullName(&pStmt->usingTableName, stableFName);
  if (TSDB_CODE_SUCCESS != code) {
    return code;
  }

  char ctableFName[TSDB_TABLE_FNAME_LEN];
  code = tNameExtractFullName(&pStmt->targetTableName, ctableFName);
  if (TSDB_CODE_SUCCESS != code) {
    return code;
  }

  if (strcmp(stableFName, ctableFName) == 0) {
    return TSDB_CODE_TDB_TABLE_IN_OTHER_STABLE;
  }
  if (!pCxt->missCache) {
    char tbFName[TSDB_TABLE_FNAME_LEN];
    code = tNameExtractFullName(&pStmt->usingTableName, tbFName);
    if (TSDB_CODE_SUCCESS != code) {
      return code;
    }
    STableMeta** ppStableMeta = taosHashGet(pStmt->pSuperTableHashObj, tbFName, strlen(tbFName));
    if (NULL != ppStableMeta) {
      pStableMeta = *ppStableMeta;
    }
    if (NULL == pStableMeta) {
      bool bUsingTable = true;
      code = getTableMeta(pCxt, &pStmt->usingTableName, &pStableMeta, &pCxt->missCache, bUsingTable);
      if (TSDB_CODE_SUCCESS == code) {
        code = taosHashPut(pStmt->pSuperTableHashObj, tbFName, strlen(tbFName), &pStableMeta, POINTER_BYTES);
      } else {
        taosMemoryFreeClear(pStableMeta);
      }
    }
  }
  if (pCxt->isStmtBind) {
    goto _no_ctb_cache;
  }

  if (TSDB_CODE_SUCCESS == code && !pCxt->missCache) {
    bool bUsingTable = false;
    code = getTableMeta(pCxt, &pStmt->targetTableName, &pCtableMeta, &pCxt->missCache, bUsingTable);
  }

  if (TSDB_CODE_SUCCESS == code && !pCxt->missCache) {
    code = (pStableMeta->suid == pCtableMeta->suid) ? TSDB_CODE_SUCCESS : TSDB_CODE_TDB_TABLE_IN_OTHER_STABLE;
    *ctbCacheHit = true;
  }
_no_ctb_cache:
  if (TSDB_CODE_SUCCESS == code) {
    if (*ctbCacheHit) {
      code = cloneTableMeta(pCtableMeta, &pStmt->pTableMeta);
    } else {
      code = cloneTableMeta(pStableMeta, &pStmt->pTableMeta);
    }
  }
  taosMemoryFree(pCtableMeta);
  if (TSDB_CODE_SUCCESS == code && !pCxt->missCache) {
    code = getTargetTableVgroup(pCxt->pComCxt, pStmt, true, &pCxt->missCache);
  }
  if (TSDB_CODE_SUCCESS == code && !pCxt->pComCxt->async) {
    code = collectUseDatabase(&pStmt->usingTableName, pStmt->pDbFNameHashObj);
    if (TSDB_CODE_SUCCESS == code) {
      code = collectUseTable(&pStmt->usingTableName, pStmt->pTableNameHashObj);
    }
  }
  return code;
}

static int32_t parseUsingTableNameImpl(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  SToken token;
  NEXT_TOKEN(pStmt->pSql, token);
  bool    ctbCacheHit = false;
  int32_t code = preParseUsingTableName(pCxt, pStmt, &token);
  if (TSDB_CODE_SUCCESS == code) {
    code = getUsingTableSchema(pCxt, pStmt, &ctbCacheHit);
    if (TSDB_CODE_SUCCESS == code && ctbCacheHit && !pCxt->missCache) {
      pStmt->usingTableProcessing = false;
      return ignoreUsingClauseAndCheckTagValues(pCxt, pStmt);
    }
  }
  if (TSDB_CODE_SUCCESS == code && !pCxt->missCache) {
    code = storeChildTableMeta(pCxt, pStmt);
  }
  return code;
}

// input pStmt->pSql:
//   1(care). [USING stb_name [(tag1_name, ...)] TAGS (tag1_value, ...) [table_options]] ...
//   2. VALUES ... | FILE ...
// output pStmt->pSql:
//   1. [(tag1_name, ...)] TAGS (tag1_value, ...) [table_options]] ...
//   2. VALUES ... | FILE ...
static int32_t parseUsingTableName(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  SToken  token;
  int32_t index = 0;
  NEXT_TOKEN_KEEP_SQL(pStmt->pSql, token, index);
  if (TK_USING != token.type) {
    return getTargetTableSchema(pCxt, pStmt);
  }
  pStmt->usingTableProcessing = true;
  pCxt->stmtTbNameFlag |= USING_CLAUSE;
  // pStmt->pSql -> stb_name [(tag1_name, ...)
  pStmt->pSql += index;
  int32_t code = parseDuplicateUsingClause(pCxt, pStmt, &pCxt->usingDuplicateTable);
  if (TSDB_CODE_SUCCESS == code && !pCxt->usingDuplicateTable) {
    return parseUsingTableNameImpl(pCxt, pStmt);
  }
  return code;
}

static int32_t preParseTargetTableName(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, SToken* pTbName) {
  int32_t code = insCreateSName(&pStmt->targetTableName, pTbName, pCxt->pComCxt->acctId, pCxt->pComCxt->db, &pCxt->msg);
  if (TSDB_CODE_SUCCESS == code) {
    if (IS_SYS_DBNAME(pStmt->targetTableName.dbname)) {
      return TSDB_CODE_PAR_SYSTABLE_NOT_ALLOWED;
    }
  }

  return code;
}

// input pStmt->pSql:
//   1(care). [(field1_name, ...)] ...
//   2. [ USING ... ] ...
//   3. VALUES ... | FILE ...
// output pStmt->pSql:
//   1. [ USING ... ] ...
//   2. VALUES ... | FILE ...
static int32_t preParseBoundColumnsClause(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  SToken  token;
  int32_t index = 0;
  NEXT_TOKEN_KEEP_SQL(pStmt->pSql, token, index);
  if (TK_NK_LP != token.type) {
    return TSDB_CODE_SUCCESS;
  }

  // pStmt->pSql -> field1_name, ...)
  pStmt->pSql += index;
  pStmt->pBoundCols = pStmt->pSql;
  return skipParentheses(pCxt, &pStmt->pSql);
}

static int32_t getTableDataCxt(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, STableDataCxt** pTableCxt) {
  if (pCxt->pComCxt->async) {
    return insGetTableDataCxt(pStmt->pTableBlockHashObj, &pStmt->pTableMeta->uid, sizeof(pStmt->pTableMeta->uid),
                              pStmt->pTableMeta, &pStmt->pCreateTblReq, pTableCxt, false, false);
  }

  char    tbFName[TSDB_TABLE_FNAME_LEN];
  int32_t code = 0;
  if ((pCxt->stmtTbNameFlag & NO_DATA_USING_CLAUSE) == USING_CLAUSE) {
    tstrncpy(pStmt->targetTableName.tname, pStmt->usingTableName.tname, sizeof(pStmt->targetTableName.tname));
    tstrncpy(pStmt->targetTableName.dbname, pStmt->usingTableName.dbname, sizeof(pStmt->targetTableName.dbname));
    pStmt->targetTableName.type = TSDB_SUPER_TABLE;
    pStmt->pTableMeta->tableType = TSDB_SUPER_TABLE;
  }

  code = tNameExtractFullName(&pStmt->targetTableName, tbFName);

  if (TSDB_CODE_SUCCESS != code) {
    return code;
  }
  if (pStmt->usingTableProcessing) {
    pStmt->pTableMeta->uid = 0;
  }
  return insGetTableDataCxt(pStmt->pTableBlockHashObj, tbFName, strlen(tbFName), pStmt->pTableMeta,
                            &pStmt->pCreateTblReq, pTableCxt, NULL != pCxt->pComCxt->pStmtCb, false);
}

static int32_t parseBoundColumnsClause(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, STableDataCxt* pTableCxt) {
  SToken  token;
  int32_t index = 0;
  NEXT_TOKEN_KEEP_SQL(pStmt->pSql, token, index);
  if (TK_NK_LP == token.type) {
    pStmt->pSql += index;
    if (NULL != pStmt->pBoundCols) {
      return buildSyntaxErrMsg(&pCxt->msg, "keyword VALUES or FILE is expected", token.z);
    }
    // pStmt->pSql -> field1_name, ...)
    return parseBoundColumns(pCxt, &pStmt->pSql, BOUND_COLUMNS, pStmt->pTableMeta, &pTableCxt->boundColsInfo);
  }

  if (NULL != pStmt->pBoundCols) {
    return parseBoundColumns(pCxt, &pStmt->pBoundCols, BOUND_COLUMNS, pStmt->pTableMeta, &pTableCxt->boundColsInfo);
  } else if (pTableCxt->boundColsInfo.hasBoundCols) {
    insResetBoundColsInfo(&pTableCxt->boundColsInfo);
  }

  return TSDB_CODE_SUCCESS;
}

int32_t initTableColSubmitData(STableDataCxt* pTableCxt) {
  if (0 == (pTableCxt->pData->flags & SUBMIT_REQ_COLUMN_DATA_FORMAT)) {
    return TSDB_CODE_SUCCESS;
  }

  for (int32_t i = 0; i < pTableCxt->boundColsInfo.numOfBound; ++i) {
    SSchema*  pSchema = &pTableCxt->pMeta->schema[pTableCxt->boundColsInfo.pColIndex[i]];
    SColData* pCol = taosArrayReserve(pTableCxt->pData->aCol, 1);
    if (NULL == pCol) {
      return terrno;
    }
    tColDataInit(pCol, pSchema->colId, pSchema->type, pSchema->flags);
  }

  return TSDB_CODE_SUCCESS;
}

int32_t initTableColSubmitDataWithBoundInfo(STableDataCxt* pTableCxt, SBoundColInfo pBoundColsInfo) {
  insDestroyBoundColInfo(&(pTableCxt->boundColsInfo));
  pTableCxt->boundColsInfo = pBoundColsInfo;
  for (int32_t i = 0; i < pBoundColsInfo.numOfBound; ++i) {
    SSchema*  pSchema = &pTableCxt->pMeta->schema[pTableCxt->boundColsInfo.pColIndex[i]];
    SColData* pCol = taosArrayReserve(pTableCxt->pData->aCol, 1);
    if (NULL == pCol) {
      return terrno;
    }
    tColDataInit(pCol, pSchema->colId, pSchema->type, pSchema->flags);
  }

  return TSDB_CODE_SUCCESS;
}

// input pStmt->pSql:
//   1. [(tag1_name, ...)] ...
//   2. VALUES ... | FILE ...
// output pStmt->pSql: VALUES ... | FILE ...
static int32_t parseSchemaClauseBottom(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt,
                                       STableDataCxt** pTableCxt) {
  int32_t code = parseUsingClauseBottom(pCxt, pStmt);
  if (TSDB_CODE_SUCCESS == code) {
    code = getTableDataCxt(pCxt, pStmt, pTableCxt);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = parseBoundColumnsClause(pCxt, pStmt, *pTableCxt);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = initTableColSubmitData(*pTableCxt);
  }
  return code;
}

// input pStmt->pSql: [(field1_name, ...)] [ USING ... ] VALUES ... | FILE ...
// output pStmt->pSql:
//   1. [(tag1_name, ...)] ...
//   2. VALUES ... | FILE ...
static int32_t parseSchemaClauseTop(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, SToken* pTbName) {
  int32_t code = preParseTargetTableName(pCxt, pStmt, pTbName);
  if (TSDB_CODE_SUCCESS == code) {
    // option: [(field1_name, ...)]
    code = preParseBoundColumnsClause(pCxt, pStmt);
  }
  if (TSDB_CODE_SUCCESS == code) {
    // option: [USING stb_name]
    code = parseUsingTableName(pCxt, pStmt);
  }
  return code;
}

static int32_t parseValueTokenImpl(SInsertParseContext* pCxt, const char** pSql, SToken* pToken, SSchema* pSchema,
                                   const SSchemaExt* pExtSchema, int16_t timePrec, SColVal* pVal) {
  switch (pSchema->type) {
    case TSDB_DATA_TYPE_BOOL: {
      if ((pToken->type == TK_NK_BOOL || pToken->type == TK_NK_STRING) && (pToken->n != 0)) {
        if (IS_TRUE_STR(pToken->z, pToken->n)) {
          VALUE_SET_TRIVIAL_DATUM(&pVal->value, TRUE_VALUE);
        } else if (IS_FALSE_STR(pToken->z, pToken->n)) {
          VALUE_SET_TRIVIAL_DATUM(&pVal->value, FALSE_VALUE);
        } else if (TSDB_CODE_SUCCESS ==
                   toDoubleEx(pToken->z, pToken->n, pToken->type, (double*)&VALUE_GET_TRIVIAL_DATUM(&pVal->value))) {
          int8_t v = (*(double*)&VALUE_GET_TRIVIAL_DATUM(&pVal->value) == 0 ? FALSE_VALUE : TRUE_VALUE);
          valueSetDatum(&pVal->value, TSDB_DATA_TYPE_BOOL, &v, tDataTypes[TSDB_DATA_TYPE_BOOL].bytes);
        } else {
          return buildSyntaxErrMsg(&pCxt->msg, "invalid bool data", pToken->z);
        }
      } else if (pToken->type == TK_NK_INTEGER) {
        int8_t v = ((taosStr2Int64(pToken->z, NULL, 10) == 0) ? FALSE_VALUE : TRUE_VALUE);
        VALUE_SET_TRIVIAL_DATUM(&pVal->value, v);
      } else if (pToken->type == TK_NK_FLOAT) {
        int8_t v = ((taosStr2Double(pToken->z, NULL) == 0) ? FALSE_VALUE : TRUE_VALUE);
        VALUE_SET_TRIVIAL_DATUM(&pVal->value, v);
      } else if ((pToken->type == TK_NK_HEX || pToken->type == TK_NK_BIN) &&
                 (TSDB_CODE_SUCCESS ==
                  toDoubleEx(pToken->z, pToken->n, pToken->type, (double*)&VALUE_GET_TRIVIAL_DATUM(&pVal->value)))) {
        int8_t v = *(double*)&VALUE_GET_TRIVIAL_DATUM(&pVal->value) == 0 ? FALSE_VALUE : TRUE_VALUE;
        valueSetDatum(&pVal->value, TSDB_DATA_TYPE_BOOL, &v, tDataTypes[TSDB_DATA_TYPE_BOOL].bytes);
      } else {
        return buildSyntaxErrMsg(&pCxt->msg, "invalid bool data", pToken->z);
      }
      break;
    }
    case TSDB_DATA_TYPE_TINYINT: {
      int32_t code = toIntegerEx(pToken->z, pToken->n, pToken->type, &VALUE_GET_TRIVIAL_DATUM(&pVal->value));
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(&pCxt->msg, "invalid tinyint data", pToken->z);
      } else if (!IS_VALID_TINYINT(VALUE_GET_TRIVIAL_DATUM(&pVal->value))) {
        return buildSyntaxErrMsg(&pCxt->msg, "tinyint data overflow", pToken->z);
      }
      break;
    }
    case TSDB_DATA_TYPE_UTINYINT: {
      int32_t code = toUIntegerEx(pToken->z, pToken->n, pToken->type, (uint64_t*)&VALUE_GET_TRIVIAL_DATUM(&pVal->value));
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(&pCxt->msg, "invalid unsigned tinyint data", pToken->z);
      } else if (VALUE_GET_TRIVIAL_DATUM(&pVal->value) > UINT8_MAX) {
        return buildSyntaxErrMsg(&pCxt->msg, "unsigned tinyint data overflow", pToken->z);
      }
      break;
    }
    case TSDB_DATA_TYPE_SMALLINT: {
      int32_t code = toIntegerEx(pToken->z, pToken->n, pToken->type, &VALUE_GET_TRIVIAL_DATUM(&pVal->value));
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(&pCxt->msg, "invalid smallint data", pToken->z);
      } else if (!IS_VALID_SMALLINT(VALUE_GET_TRIVIAL_DATUM(&pVal->value))) {
        return buildSyntaxErrMsg(&pCxt->msg, "smallint data overflow", pToken->z);
      }
      break;
    }
    case TSDB_DATA_TYPE_USMALLINT: {
      int32_t code = toUIntegerEx(pToken->z, pToken->n, pToken->type, &VALUE_GET_TRIVIAL_DATUM(&pVal->value));
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(&pCxt->msg, "invalid unsigned smallint data", pToken->z);
      } else if (VALUE_GET_TRIVIAL_DATUM(&pVal->value) > UINT16_MAX) {
        return buildSyntaxErrMsg(&pCxt->msg, "unsigned smallint data overflow", pToken->z);
      }
      break;
    }
    case TSDB_DATA_TYPE_INT: {
      int32_t code = toIntegerEx(pToken->z, pToken->n, pToken->type, &VALUE_GET_TRIVIAL_DATUM(&pVal->value));
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(&pCxt->msg, "invalid int data", pToken->z);
      } else if (!IS_VALID_INT(VALUE_GET_TRIVIAL_DATUM(&pVal->value))) {
        return buildSyntaxErrMsg(&pCxt->msg, "int data overflow", pToken->z);
      }
      break;
    }
    case TSDB_DATA_TYPE_UINT: {
      int32_t code = toUIntegerEx(pToken->z, pToken->n, pToken->type, &VALUE_GET_TRIVIAL_DATUM(&pVal->value));
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(&pCxt->msg, "invalid unsigned int data", pToken->z);
      } else if (VALUE_GET_TRIVIAL_DATUM(&pVal->value) > UINT32_MAX) {
        return buildSyntaxErrMsg(&pCxt->msg, "unsigned int data overflow", pToken->z);
      }
      break;
    }
    case TSDB_DATA_TYPE_BIGINT: {
      int32_t code = toIntegerEx(pToken->z, pToken->n, pToken->type, &VALUE_GET_TRIVIAL_DATUM(&pVal->value));
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(&pCxt->msg, "invalid bigint data", pToken->z);
      }
      break;
    }
    case TSDB_DATA_TYPE_UBIGINT: {
      int32_t code = toUIntegerEx(pToken->z, pToken->n, pToken->type, &VALUE_GET_TRIVIAL_DATUM(&pVal->value));
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(&pCxt->msg, "invalid unsigned bigint data", pToken->z);
      }
      break;
    }
    case TSDB_DATA_TYPE_FLOAT: {
      double  dv;
      int32_t code = toDoubleEx(pToken->z, pToken->n, pToken->type, &dv);
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(&pCxt->msg, "illegal float data", pToken->z);
      }
      if (dv > FLT_MAX || dv < -FLT_MAX || isinf(dv) || isnan(dv)) {
        return buildSyntaxErrMsg(&pCxt->msg, "illegal float data", pToken->z);
      }
      float f = dv;
      valueSetDatum(&pVal->value, TSDB_DATA_TYPE_FLOAT, &f, sizeof(f));
      break;
    }
    case TSDB_DATA_TYPE_DOUBLE: {
      double  dv;
      int32_t code = toDoubleEx(pToken->z, pToken->n, pToken->type, &dv);
      if (TSDB_CODE_SUCCESS != code) {
        return buildSyntaxErrMsg(&pCxt->msg, "illegal float data", pToken->z);
      }
      if (isinf(dv) || isnan(dv)) {
        return buildSyntaxErrMsg(&pCxt->msg, "illegal double data", pToken->z);
      }
      VALUE_SET_TRIVIAL_DATUM(&pVal->value, (*(int64_t*)&dv));
      break;
    }
    case TSDB_DATA_TYPE_BINARY: {
      // Too long values will raise the invalid sql error message
      if (pToken->n + VARSTR_HEADER_SIZE > pSchema->bytes) {
        return generateSyntaxErrMsg(&pCxt->msg, TSDB_CODE_PAR_VALUE_TOO_LONG, pSchema->name);
      }
      pVal->value.pData = taosMemoryMalloc(pToken->n);
      if (NULL == pVal->value.pData) {
        return terrno;
      }
      memcpy(pVal->value.pData, pToken->z, pToken->n);
      pVal->value.nData = pToken->n;
      break;
    }
    case TSDB_DATA_TYPE_VARBINARY: {
      int32_t code = parseVarbinary(pToken, &pVal->value.pData, &pVal->value.nData, pSchema->bytes);
      if (code != TSDB_CODE_SUCCESS) {
        return generateSyntaxErrMsg(&pCxt->msg, code, pSchema->name);
      }
      break;
    }
    case TSDB_DATA_TYPE_NCHAR: {
      // if the converted output len is over than pColumnModel->bytes, return error: 'Argument list too long'
      int32_t len = 0;
      int64_t realLen = pToken->n << 2;
      if (realLen > pSchema->bytes - VARSTR_HEADER_SIZE) realLen = pSchema->bytes - VARSTR_HEADER_SIZE;
      char* pUcs4 = taosMemoryMalloc(realLen);
      if (NULL == pUcs4) {
        return terrno;
      }
      if (!taosMbsToUcs4(pToken->z, pToken->n, (TdUcs4*)pUcs4, realLen, &len, pCxt->pComCxt->charsetCxt)) {
        taosMemoryFree(pUcs4);
        if (terrno == TAOS_SYSTEM_ERROR(E2BIG)) {
          return generateSyntaxErrMsg(&pCxt->msg, TSDB_CODE_PAR_VALUE_TOO_LONG, pSchema->name);
        }
        char buf[512] = {0};
        snprintf(buf, tListLen(buf), "%s", strerror(terrno));
        return buildSyntaxErrMsg(&pCxt->msg, buf, pToken->z);
      }
      pVal->value.pData = pUcs4;
      pVal->value.nData = len;
      break;
    }
    case TSDB_DATA_TYPE_JSON: {
      if (pToken->n > (TSDB_MAX_JSON_TAG_LEN - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE) {
        return buildSyntaxErrMsg(&pCxt->msg, "json string too long than 4095", pToken->z);
      }
      pVal->value.pData = taosMemoryMalloc(pToken->n);
      if (NULL == pVal->value.pData) {
        return terrno;
      }
      memcpy(pVal->value.pData, pToken->z, pToken->n);
      pVal->value.nData = pToken->n;
      break;
    }
    case TSDB_DATA_TYPE_GEOMETRY: {
      int32_t        code = TSDB_CODE_FAILED;
      unsigned char* output = NULL;
      size_t         size = 0;

      code = parseGeometry(pToken, &output, &size);
      if (code != TSDB_CODE_SUCCESS) {
        code = buildSyntaxErrMsg(&pCxt->msg, getGeosErrMsg(code), pToken->z);
      }
      // Too long values will raise the invalid sql error message
      else if (size + VARSTR_HEADER_SIZE > pSchema->bytes) {
        code = generateSyntaxErrMsg(&pCxt->msg, TSDB_CODE_PAR_VALUE_TOO_LONG, pSchema->name);
      } else {
        pVal->value.pData = taosMemoryMalloc(size);
        if (NULL == pVal->value.pData) {
          code = terrno;
        } else {
          memcpy(pVal->value.pData, output, size);
          pVal->value.nData = size;
        }
      }

      geosFreeBuffer(output);
      if (code != TSDB_CODE_SUCCESS) {
        return code;
      }

      break;
    }
    case TSDB_DATA_TYPE_TIMESTAMP: {
      if (parseTime(pSql, pToken, timePrec, &VALUE_GET_TRIVIAL_DATUM(&pVal->value), &pCxt->msg,
                    pCxt->pComCxt->timezone) != TSDB_CODE_SUCCESS) {
        return buildSyntaxErrMsg(&pCxt->msg, "invalid timestamp", pToken->z);
      }
      break;
    }
    case TSDB_DATA_TYPE_DECIMAL: {
      if (!pExtSchema) {
        qError("Decimal type without ext schema info, cannot parse decimal values");
        return TSDB_CODE_PAR_INTERNAL_ERROR;
      }
      uint8_t precision = 0, scale = 0;
      decimalFromTypeMod(pExtSchema->typeMod, &precision, &scale);
      Decimal128 dec = {0};
      int32_t code = decimal128FromStr(pToken->z, pToken->n, precision, scale, &dec);
      if (TSDB_CODE_SUCCESS != code) {
        return code;
      }

      // precision check
      // scale auto fit

      code = decimal128ToDataVal(&dec, &pVal->value);
      if (TSDB_CODE_SUCCESS != code) {
        return code;
      }
      break;
    }
    case TSDB_DATA_TYPE_DECIMAL64: {
      if (!pExtSchema) {
        qError("Decimal type without ext schema info, cannot parse decimal values");
        return TSDB_CODE_PAR_INTERNAL_ERROR;
      }
      uint8_t precision = 0, scale = 0;
      decimalFromTypeMod(pExtSchema->typeMod, &precision, &scale);
      Decimal64 dec = {0};
      int32_t code = decimal64FromStr(pToken->z, pToken->n, precision, scale, &dec);
      if (TSDB_CODE_SUCCESS != code) {
        return code;
      }
      code = decimal64ToDataVal(&dec, &pVal->value);
      if (TSDB_CODE_SUCCESS != code) {
        return code;
      }
      break;
    }
    default:
      return TSDB_CODE_FAILED;
  }

  pVal->flag = CV_FLAG_VALUE;
  return TSDB_CODE_SUCCESS;
}

static int32_t parseValueToken(SInsertParseContext* pCxt, const char** pSql, SToken* pToken, SSchema* pSchema,
                               const SSchemaExt* pExtSchema, int16_t timePrec, SColVal* pVal) {
  int32_t code = checkAndTrimValue(pToken, pCxt->tmpTokenBuf, &pCxt->msg, pSchema->type);
  if (TSDB_CODE_SUCCESS == code && isNullValue(pSchema->type, pToken)) {
    if (TSDB_DATA_TYPE_TIMESTAMP == pSchema->type && PRIMARYKEY_TIMESTAMP_COL_ID == pSchema->colId) {
      return buildSyntaxErrMsg(&pCxt->msg, "Primary timestamp column should not be null", pToken->z);
    }

    pVal->flag = CV_FLAG_NULL;
    return TSDB_CODE_SUCCESS;
  }

  if (TSDB_CODE_SUCCESS == code) {
    if (pToken->n == 0 && IS_NUMERIC_TYPE(pSchema->type)) {
      return buildSyntaxErrMsg(&pCxt->msg, "invalid numeric data", pToken->z);
    }
    code = parseValueTokenImpl(pCxt, pSql, pToken, pSchema, pExtSchema, timePrec, pVal);
  }

  return code;
}

static void clearColValArray(SArray* pCols) {
  int32_t num = taosArrayGetSize(pCols);
  for (int32_t i = 0; i < num; ++i) {
    SColVal* pCol = taosArrayGet(pCols, i);
    if (IS_VAR_DATA_TYPE(pCol->value.type) || pCol->value.type == TSDB_DATA_TYPE_DECIMAL) {
      taosMemoryFreeClear(pCol->value.pData);
    }
  }
}

typedef struct SStbRowsDataContext {
  SName stbName;

  STableMeta*   pStbMeta;
  SNode*        pTagCond;
  SBoundColInfo boundColsInfo;

  // the following fields are for each stb row
  SArray*        aTagVals;
  SArray*        aColVals;
  SArray*        aTagNames;
  SName          ctbName;
  STag*          pTag;
  STableMeta*    pCtbMeta;
  SVCreateTbReq* pCreateCtbReq;
  bool           hasTimestampTag;
  bool           isJsonTag;
} SStbRowsDataContext;

typedef union SRowsDataContext {
  STableDataCxt*       pTableDataCxt;
  SStbRowsDataContext* pStbRowsCxt;
} SRowsDataContext;

int32_t parseTbnameToken(SMsgBuf* pMsgBuf, char* tname, SToken* pToken, bool* pFoundCtbName) {
  *pFoundCtbName = false;

  if (isNullValue(TSDB_DATA_TYPE_BINARY, pToken)) {
    return buildInvalidOperationMsg(pMsgBuf, "tbname can not be null value");
  }

  if (pToken->n > 0) {
    if (pToken->n <= TSDB_TABLE_NAME_LEN - 1) {
      for (int i = 0; i < pToken->n; ++i) {
        if (pToken->z[i] == '.') {
          return buildInvalidOperationMsg(pMsgBuf, "tbname can not contain '.'");
        } else {
          tname[i] = pToken->z[i];
        }
      }
      tname[pToken->n] = '\0';
      *pFoundCtbName = true;
    } else {
      return buildInvalidOperationMsg(pMsgBuf, "tbname is too long");
    }
  } else {
    return buildInvalidOperationMsg(pMsgBuf, "tbname can not be empty");
  }
  return TSDB_CODE_SUCCESS;
}

static int32_t processCtbTagsAfterCtbName(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt,
                                          SStbRowsDataContext* pStbRowsCxt, bool ctbFirst, const SToken* tagTokens,
                                          SSchema* const* tagSchemas, int numOfTagTokens) {
  int32_t code = TSDB_CODE_SUCCESS;
  uint8_t precision = pStmt->pTableMeta->tableInfo.precision;

  if (code == TSDB_CODE_SUCCESS && ctbFirst) {
    for (int32_t i = 0; code == TSDB_CODE_SUCCESS && i < numOfTagTokens; ++i) {
      SToken*  pTagToken = (SToken*)(tagTokens + i);
      SSchema* pTagSchema = tagSchemas[i];
      code = checkAndTrimValue(pTagToken, pCxt->tmpTokenBuf, &pCxt->msg, pTagSchema->type);
      if (code == TSDB_CODE_SUCCESS && TK_NK_VARIABLE == pTagToken->type) {
        code = buildInvalidOperationMsg(&pCxt->msg, "not expected tag");
      }

      if (code == TSDB_CODE_SUCCESS) {
        code = parseTagValue(&pCxt->msg, NULL, precision, pTagSchema, pTagToken, pStbRowsCxt->aTagNames,
                             pStbRowsCxt->aTagVals, &pStbRowsCxt->pTag, pCxt->pComCxt->timezone, pCxt->pComCxt->charsetCxt);
      }
    }
    if (code == TSDB_CODE_SUCCESS && !pStbRowsCxt->isJsonTag) {
      code = tTagNew(pStbRowsCxt->aTagVals, 1, false, &pStbRowsCxt->pTag);
    }
  }

  if (code == TSDB_CODE_SUCCESS && pStbRowsCxt->pTagCond) {
    code = checkSubtablePrivilege(pStbRowsCxt->aTagVals, pStbRowsCxt->aTagNames, &pStbRowsCxt->pTagCond);
  }
  return code;
}

static int32_t doGetStbRowValues(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, const char** ppSql,
                                 SStbRowsDataContext* pStbRowsCxt, SToken* pToken, const SBoundColInfo* pCols,
                                 const SSchema* pSchemas, const SSchemaExt* pExtSchemas, SToken* tagTokens,
                                 SSchema** tagSchemas, int* pNumOfTagTokens, bool* bFoundTbName, bool* setCtbName,
                                 SBoundColInfo* ctbCols) {
  int32_t code = TSDB_CODE_SUCCESS;
  SArray* pTagNames = pStbRowsCxt->aTagNames;
  SArray* pTagVals = pStbRowsCxt->aTagVals;
  bool    canParseTagsAfter = !pStbRowsCxt->pTagCond && !pStbRowsCxt->hasTimestampTag;
  int32_t numOfCols = getNumOfColumns(pStbRowsCxt->pStbMeta);
  int32_t numOfTags = getNumOfTags(pStbRowsCxt->pStbMeta);
  int32_t tbnameIdx = getTbnameSchemaIndex(pStbRowsCxt->pStbMeta);
  uint8_t precision = getTableInfo(pStbRowsCxt->pStbMeta).precision;
  int     tag_index = 0;
  int     col_index = 0;
  for (int i = 0; i < pCols->numOfBound && (code) == TSDB_CODE_SUCCESS; ++i) {
    const char* pTmpSql = *ppSql;
    bool        ignoreComma = false;
    NEXT_TOKEN_WITH_PREV_EXT(*ppSql, *pToken, &ignoreComma);

    if (ignoreComma) {
      code = buildSyntaxErrMsg(&pCxt->msg, "invalid data or symbol", pTmpSql);
      break;
    }

    if (TK_NK_RP == pToken->type) {
      code = generateSyntaxErrMsg(&pCxt->msg, TSDB_CODE_PAR_INVALID_COLUMNS_NUM);
      break;
    }

    if (TK_NK_QUESTION == pToken->type) {
      if (!pCxt->pComCxt->isStmtBind && i != 0) {
        return buildInvalidOperationMsg(&pCxt->msg, "not support mixed bind and non-bind values");
      }
      if (pCxt->pComCxt->pStmtCb == NULL) {
        return buildInvalidOperationMsg(&pCxt->msg, "symbol ? only support in stmt mode");
      }
      pCxt->isStmtBind = true;
      if (pCols->pColIndex[i] == tbnameIdx) {
        *bFoundTbName = true;
        char* tbName = NULL;
        if ((*pCxt->pComCxt->pStmtCb->getTbNameFn)(pCxt->pComCxt->pStmtCb->pStmt, &tbName) == TSDB_CODE_SUCCESS) {
          tstrncpy(pStbRowsCxt->ctbName.tname, tbName, sizeof(pStbRowsCxt->ctbName.tname));
          tstrncpy(pStmt->usingTableName.tname, pStmt->targetTableName.tname, sizeof(pStmt->usingTableName.tname));
          tstrncpy(pStmt->targetTableName.tname, tbName, sizeof(pStmt->targetTableName.tname));
          tstrncpy(pStmt->usingTableName.dbname, pStmt->targetTableName.dbname, sizeof(pStmt->usingTableName.dbname));
          pStmt->usingTableName.type = 1;
          pStmt->pTableMeta->tableType = TSDB_CHILD_TABLE;  // set the table type to child table for parse cache
          *setCtbName = true;
        }
      } else if (pCols->pColIndex[i] < numOfCols) {
        // bind column
        if (ctbCols->pColIndex == NULL) {
          ctbCols->pColIndex = taosMemoryCalloc(numOfCols, sizeof(int16_t));
          if (NULL == ctbCols->pColIndex) {
            return terrno;
          }
        }
        ctbCols->pColIndex[col_index++] = pCols->pColIndex[i];
        ctbCols->numOfBound++;
        ctbCols->numOfCols++;

      } else if (pCols->pColIndex[i] < tbnameIdx) {
        if (pCxt->tags.pColIndex == NULL) {
          pCxt->tags.pColIndex = taosMemoryCalloc(numOfTags, sizeof(int16_t));
          if (NULL == pCxt->tags.pColIndex) {
            return terrno;
          }
        }
        if (!(tag_index < numOfTags)) {
          return buildInvalidOperationMsg(&pCxt->msg, "not expected numOfTags");
        }
        pStmt->usingTableProcessing = true;
        pCxt->tags.pColIndex[tag_index++] = pCols->pColIndex[i] - numOfCols;
        pCxt->tags.mixTagsCols = true;
        pCxt->tags.numOfBound++;
        pCxt->tags.numOfCols++;
      } else {
        return buildInvalidOperationMsg(&pCxt->msg, "not expected numOfBound");
      }
    } else {
      if (pCxt->pComCxt->isStmtBind) {
        return buildInvalidOperationMsg(&pCxt->msg, "not support mixed bind and non-bind values");
      }
      if (pCols->pColIndex[i] < numOfCols) {
        const SSchema*    pSchema = &pSchemas[pCols->pColIndex[i]];
        const SSchemaExt* pExtSchema = pExtSchemas + pCols->pColIndex[i];
        SColVal*       pVal = taosArrayGet(pStbRowsCxt->aColVals, pCols->pColIndex[i]);
        code = parseValueToken(pCxt, ppSql, pToken, (SSchema*)pSchema, pExtSchema, precision, pVal);
        if (TK_NK_VARIABLE == pToken->type) {
          code = buildInvalidOperationMsg(&pCxt->msg, "not expected row value");
        }
      } else if (pCols->pColIndex[i] < tbnameIdx) {
        const SSchema* pTagSchema = &pSchemas[pCols->pColIndex[i]];
        if (canParseTagsAfter) {
          tagTokens[(*pNumOfTagTokens)] = *pToken;
          tagSchemas[(*pNumOfTagTokens)] = (SSchema*)pTagSchema;
          ++(*pNumOfTagTokens);
        } else {
          code = checkAndTrimValue(pToken, pCxt->tmpTokenBuf, &pCxt->msg, pTagSchema->type);
          if (code == TSDB_CODE_SUCCESS && TK_NK_VARIABLE == pToken->type) {
            code = buildInvalidOperationMsg(&pCxt->msg, "not expected row value");
          }
          if (code == TSDB_CODE_SUCCESS) {
            code = parseTagValue(&pCxt->msg, ppSql, precision, (SSchema*)pTagSchema, pToken, pTagNames, pTagVals,
                                 &pStbRowsCxt->pTag, pCxt->pComCxt->timezone, pCxt->pComCxt->charsetCxt);
          }
        }
      } else if (pCols->pColIndex[i] == tbnameIdx) {
        code = checkAndTrimValue(pToken, pCxt->tmpTokenBuf, &pCxt->msg, TSDB_DATA_TYPE_BINARY);
        if (TK_NK_VARIABLE == pToken->type) {
          code = buildInvalidOperationMsg(&pCxt->msg, "not expected tbname");
        }

        if (code == TSDB_CODE_SUCCESS) {
          code = parseTbnameToken(&pCxt->msg, pStbRowsCxt->ctbName.tname, pToken, bFoundTbName);
        }
      }
    }

    if (code == TSDB_CODE_SUCCESS && i < pCols->numOfBound - 1) {
      NEXT_VALID_TOKEN(*ppSql, *pToken);
      if (TK_NK_COMMA != pToken->type) {
        code = buildSyntaxErrMsg(&pCxt->msg, ", expected", pToken->z);
      }
    }
  }

  return code;
}

static int32_t getStbRowValues(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, const char** ppSql,
                               SStbRowsDataContext* pStbRowsCxt, bool* pGotRow, SToken* pToken, bool* pCtbFirst,
                               bool* setCtbName, SBoundColInfo* ctbCols) {
  SBoundColInfo* pCols = &pStbRowsCxt->boundColsInfo;
  SSchema*       pSchemas = getTableColumnSchema(pStbRowsCxt->pStbMeta);
  SSchemaExt*    pExtSchemas = getTableColumnExtSchema(pStbRowsCxt->pStbMeta);

  bool        bFoundTbName = false;
  const char* pOrigSql = *ppSql;

  int32_t  code = TSDB_CODE_SUCCESS;
  SToken   tagTokens[TSDB_MAX_TAGS] = {0};
  SSchema* tagSchemas[TSDB_MAX_TAGS] = {0};
  int      numOfTagTokens = 0;

  code = doGetStbRowValues(pCxt, pStmt, ppSql, pStbRowsCxt, pToken, pCols, pSchemas, pExtSchemas, tagTokens, tagSchemas,
                           &numOfTagTokens, &bFoundTbName, setCtbName, ctbCols);

  if (code != TSDB_CODE_SUCCESS) {
    return code;
  }

  if (!bFoundTbName) {
    code = buildSyntaxErrMsg(&pCxt->msg, "tbname value expected", pOrigSql);
  }

  bool ctbFirst = true;
  char ctbFName[TSDB_TABLE_FNAME_LEN];
  if (code == TSDB_CODE_SUCCESS) {
    code = tNameExtractFullName(&pStbRowsCxt->ctbName, ctbFName);
  }
  if (TSDB_CODE_SUCCESS == code) {
    STableMeta** pCtbMeta = taosHashGet(pStmt->pSubTableHashObj, ctbFName, strlen(ctbFName));
    ctbFirst = (pCtbMeta == NULL);
    if (!ctbFirst) {
      pStbRowsCxt->pCtbMeta->uid = (*pCtbMeta)->uid;
      pStbRowsCxt->pCtbMeta->vgId = (*pCtbMeta)->vgId;
    }
    *pCtbFirst = ctbFirst;
  }

  if (code == TSDB_CODE_SUCCESS) {
    code = processCtbTagsAfterCtbName(pCxt, pStmt, pStbRowsCxt, ctbFirst, tagTokens, tagSchemas, numOfTagTokens);
  }

  if (code == TSDB_CODE_SUCCESS) {
    *pGotRow = true;
  }
  return code;
}

static int32_t processCtbAutoCreationAndCtbMeta(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt,
                                                SStbRowsDataContext* pStbRowsCxt) {
  int32_t code = TSDB_CODE_SUCCESS;

  pStbRowsCxt->pCreateCtbReq = taosMemoryCalloc(1, sizeof(SVCreateTbReq));
  if (pStbRowsCxt->pCreateCtbReq == NULL) {
    code = terrno;
  }
  if (code == TSDB_CODE_SUCCESS) {
    code = insBuildCreateTbReq(pStbRowsCxt->pCreateCtbReq, pStbRowsCxt->ctbName.tname, pStbRowsCxt->pTag,
                               pStbRowsCxt->pStbMeta->uid, pStbRowsCxt->stbName.tname, pStbRowsCxt->aTagNames,
                               getNumOfTags(pStbRowsCxt->pStbMeta), TSDB_DEFAULT_TABLE_TTL);
    pStbRowsCxt->pTag = NULL;
  }

  if (code == TSDB_CODE_SUCCESS) {
    char ctbFName[TSDB_TABLE_FNAME_LEN];
    code = tNameExtractFullName(&pStbRowsCxt->ctbName, ctbFName);
    SVgroupInfo      vg;
    SRequestConnInfo conn = {.pTrans = pCxt->pComCxt->pTransporter,
                             .requestId = pCxt->pComCxt->requestId,
                             .requestObjRefId = pCxt->pComCxt->requestRid,
                             .mgmtEps = pCxt->pComCxt->mgmtEpSet};
    if (TSDB_CODE_SUCCESS == code) {
      code = catalogGetTableHashVgroup(pCxt->pComCxt->pCatalog, &conn, &pStbRowsCxt->ctbName, &vg);
    }
    if (code == TSDB_CODE_SUCCESS) {
      code = taosHashPut(pStmt->pVgroupsHashObj, (const char*)(&vg.vgId), sizeof(vg.vgId), &vg, sizeof(vg));
    }
    STableMeta* pBackup = NULL;
    if (TSDB_CODE_SUCCESS == code) {
      pStbRowsCxt->pCtbMeta->uid = taosHashGetSize(pStmt->pSubTableHashObj) + 1;
      pStbRowsCxt->pCtbMeta->vgId = vg.vgId;

      code = cloneTableMeta(pStbRowsCxt->pCtbMeta, &pBackup);
    }
    if (TSDB_CODE_SUCCESS == code) {
      code = taosHashPut(pStmt->pSubTableHashObj, ctbFName, strlen(ctbFName), &pBackup, POINTER_BYTES);
    }
    if (TSDB_CODE_SUCCESS == code) {
      code = collectUseTable(&pStbRowsCxt->ctbName, pStmt->pTableNameHashObj);
    }
  }
  return code;
}

static void clearStbRowsDataContext(SStbRowsDataContext* pStbRowsCxt) {
  if (pStbRowsCxt == NULL) return;

  taosArrayClear(pStbRowsCxt->aTagNames);
  for (int i = 0; i < taosArrayGetSize(pStbRowsCxt->aTagVals); ++i) {
    STagVal* p = (STagVal*)taosArrayGet(pStbRowsCxt->aTagVals, i);
    if (IS_VAR_DATA_TYPE(p->type)) {
      taosMemoryFreeClear(p->pData);
    }
  }
  taosArrayClear(pStbRowsCxt->aTagVals);

  clearColValArray(pStbRowsCxt->aColVals);

  tTagFree(pStbRowsCxt->pTag);
  pStbRowsCxt->pTag = NULL;
  tdDestroySVCreateTbReq(pStbRowsCxt->pCreateCtbReq);
  taosMemoryFreeClear(pStbRowsCxt->pCreateCtbReq);
}

static int32_t parseStbBoundInfo(SVnodeModifyOpStmt* pStmt, SStbRowsDataContext* pStbRowsCxt,
                                 STableDataCxt** ppTableDataCxt) {
  char    tbFName[TSDB_TABLE_FNAME_LEN];
  int32_t code = tNameExtractFullName(&pStmt->targetTableName, tbFName);
  if (TSDB_CODE_SUCCESS != code) {
    return code;
  }
  if (pStmt->usingTableProcessing) {
    pStmt->pTableMeta->uid = 0;
  }

  code = insGetTableDataCxt(pStmt->pTableBlockHashObj, tbFName, strlen(tbFName), pStmt->pTableMeta,
                            &pStmt->pCreateTblReq, ppTableDataCxt, false, true);
  if (code != TSDB_CODE_SUCCESS) {
    return code;
  }

  insDestroyBoundColInfo(&((*ppTableDataCxt)->boundColsInfo));
  (*ppTableDataCxt)->boundColsInfo = pStbRowsCxt->boundColsInfo;

  (*ppTableDataCxt)->boundColsInfo.pColIndex = taosMemoryCalloc(pStbRowsCxt->boundColsInfo.numOfBound, sizeof(int16_t));
  if (NULL == (*ppTableDataCxt)->boundColsInfo.pColIndex) {
    return terrno;
  }
  (void)memcpy((*ppTableDataCxt)->boundColsInfo.pColIndex, pStbRowsCxt->boundColsInfo.pColIndex,
               sizeof(int16_t) * pStmt->pStbRowsCxt->boundColsInfo.numOfBound);
  return TSDB_CODE_SUCCESS;
}

static int32_t parseOneStbRow(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, const char** ppSql,
                              SStbRowsDataContext* pStbRowsCxt, bool* pGotRow, SToken* pToken,
                              STableDataCxt** ppTableDataCxt) {
  bool    bFirstTable = false;
  bool    setCtbName = false;
  SBoundColInfo ctbCols = {0};
  int32_t code = getStbRowValues(pCxt, pStmt, ppSql, pStbRowsCxt, pGotRow, pToken, &bFirstTable, &setCtbName, &ctbCols);

  if (!setCtbName && pCxt->isStmtBind) {
    taosMemoryFreeClear(ctbCols.pColIndex);
    return parseStbBoundInfo(pStmt, pStbRowsCxt, ppTableDataCxt);
  }

  if (code != TSDB_CODE_SUCCESS || !*pGotRow) {
    return code;
  }

  if (code == TSDB_CODE_SUCCESS && bFirstTable) {
    code = processCtbAutoCreationAndCtbMeta(pCxt, pStmt, pStbRowsCxt);
  }
  if (code == TSDB_CODE_SUCCESS) {
    if (pCxt->isStmtBind) {
      char ctbFName[TSDB_TABLE_FNAME_LEN];
      code = tNameExtractFullName(&pStbRowsCxt->ctbName, ctbFName);
      if (code != TSDB_CODE_SUCCESS) {
        return code;
      }
      code = insGetTableDataCxt(pStmt->pTableBlockHashObj, ctbFName, strlen(ctbFName), pStbRowsCxt->pCtbMeta,
                                &pStbRowsCxt->pCreateCtbReq, ppTableDataCxt, true, true);
    } else {
      code =
          insGetTableDataCxt(pStmt->pTableBlockHashObj, &pStbRowsCxt->pCtbMeta->uid, sizeof(pStbRowsCxt->pCtbMeta->uid),
                             pStbRowsCxt->pCtbMeta, &pStbRowsCxt->pCreateCtbReq, ppTableDataCxt, false, true);
    }
  }
  if (code == TSDB_CODE_SUCCESS) {
    if (pCxt->isStmtBind) {
      int32_t tbnameIdx = getTbnameSchemaIndex(pStbRowsCxt->pStbMeta);
      code = initTableColSubmitDataWithBoundInfo(*ppTableDataCxt, ctbCols);
    } else {
      code = initTableColSubmitData(*ppTableDataCxt);
    }
  }
  if (code == TSDB_CODE_SUCCESS && !pCxt->isStmtBind) {
    SRow** pRow = taosArrayReserve((*ppTableDataCxt)->pData->aRowP, 1);
    code = tRowBuild(pStbRowsCxt->aColVals, (*ppTableDataCxt)->pSchema, pRow);
    if (TSDB_CODE_SUCCESS == code) {
      SRowKey key;
      tRowGetKey(*pRow, &key);
      insCheckTableDataOrder(*ppTableDataCxt, &key);
    }
  }

  if (code == TSDB_CODE_SUCCESS) {
    *pGotRow = true;
  }

  clearStbRowsDataContext(pStbRowsCxt);

  return code;
}

static int parseOneRow(SInsertParseContext* pCxt, const char** pSql, STableDataCxt* pTableCxt, bool* pGotRow,
                       SToken* pToken) {
  SBoundColInfo*    pCols = &pTableCxt->boundColsInfo;
  SSchema*          pSchemas = getTableColumnSchema(pTableCxt->pMeta);
  const SSchemaExt* pExtSchemas = getTableColumnExtSchema(pTableCxt->pMeta);

  int32_t code = TSDB_CODE_SUCCESS;
  // 1. set the parsed value from sql string
  for (int i = 0; i < pCols->numOfBound && TSDB_CODE_SUCCESS == code; ++i) {
    const char* pOrigSql = *pSql;
    bool        ignoreComma = false;
    NEXT_TOKEN_WITH_PREV_EXT(*pSql, *pToken, &ignoreComma);
    if (ignoreComma) {
      code = buildSyntaxErrMsg(&pCxt->msg, "invalid data or symbol", pOrigSql);
      break;
    }

    SSchema*          pSchema = &pSchemas[pCols->pColIndex[i]];
    const SSchemaExt* pExtSchema = pExtSchemas + pCols->pColIndex[i];
    SColVal*          pVal = taosArrayGet(pTableCxt->pValues, pCols->pColIndex[i]);

    if (pToken->type == TK_NK_QUESTION) {
      pCxt->isStmtBind = true;
      if (NULL == pCxt->pComCxt->pStmtCb) {
        code = buildSyntaxErrMsg(&pCxt->msg, "? only used in stmt", pToken->z);
        break;
      }
    } else {
      if (TK_NK_RP == pToken->type) {
        code = generateSyntaxErrMsg(&pCxt->msg, TSDB_CODE_PAR_INVALID_COLUMNS_NUM);
        break;
      }

      if (pCxt->isStmtBind) {
        code = buildInvalidOperationMsg(&pCxt->msg, "stmt bind param does not support normal value in sql");
        break;
      }

      if (TSDB_CODE_SUCCESS == code) {
        code = parseValueToken(pCxt, pSql, pToken, pSchema, pExtSchema, getTableInfo(pTableCxt->pMeta).precision, pVal);
      }
    }

    if (TSDB_CODE_SUCCESS == code && i < pCols->numOfBound - 1) {
      NEXT_VALID_TOKEN(*pSql, *pToken);
      if (TK_NK_COMMA != pToken->type) {
        code = buildSyntaxErrMsg(&pCxt->msg, ", expected", pToken->z);
      }
    }
  }

  if (TSDB_CODE_SUCCESS == code && !pCxt->isStmtBind) {
    SRow** pRow = taosArrayReserve(pTableCxt->pData->aRowP, 1);
    code = tRowBuild(pTableCxt->pValues, pTableCxt->pSchema, pRow);
    if (TSDB_CODE_SUCCESS == code) {
      SRowKey key;
      tRowGetKey(*pRow, &key);
      insCheckTableDataOrder(pTableCxt, &key);
    }
  }

  if (TSDB_CODE_SUCCESS == code && !pCxt->isStmtBind) {
    *pGotRow = true;
  }

  clearColValArray(pTableCxt->pValues);

  return code;
}

// pSql -> (field1_value, ...) [(field1_value2, ...) ...]
static int32_t parseValues(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, SRowsDataContext rowsDataCxt,
                           int32_t* pNumOfRows, SToken* pToken) {
  int32_t code = TSDB_CODE_SUCCESS;

  (*pNumOfRows) = 0;
  while (TSDB_CODE_SUCCESS == code) {
    int32_t index = 0;
    NEXT_TOKEN_KEEP_SQL(pStmt->pSql, *pToken, index);
    if (TK_NK_LP != pToken->type) {
      break;
    }
    pStmt->pSql += index;

    bool gotRow = false;
    if (TSDB_CODE_SUCCESS == code) {
      if (!pStmt->stbSyntax) {
        code = parseOneRow(pCxt, &pStmt->pSql, rowsDataCxt.pTableDataCxt, &gotRow, pToken);
      } else {
        // foreach subtable
        STableDataCxt* pTableDataCxt = NULL;
        code = parseOneStbRow(pCxt, pStmt, &pStmt->pSql, rowsDataCxt.pStbRowsCxt, &gotRow, pToken, &pTableDataCxt);
      }
    }

    if (TSDB_CODE_SUCCESS == code) {
      NEXT_VALID_TOKEN(pStmt->pSql, *pToken);
      if (TK_NK_COMMA == pToken->type) {
        code = generateSyntaxErrMsg(&pCxt->msg, TSDB_CODE_PAR_INVALID_COLUMNS_NUM);
      } else if (TK_NK_RP != pToken->type) {
        code = buildSyntaxErrMsg(&pCxt->msg, ") expected", pToken->z);
      }
    }

    if (TSDB_CODE_SUCCESS == code && gotRow) {
      (*pNumOfRows)++;
    }
  }

  if (TSDB_CODE_SUCCESS == code && 0 == (*pNumOfRows) &&
      (!TSDB_QUERY_HAS_TYPE(pStmt->insertType, TSDB_QUERY_TYPE_STMT_INSERT))) {
    code = buildSyntaxErrMsg(&pCxt->msg, "no any data points", NULL);
  }
  return code;
}

// VALUES (field1_value, ...) [(field1_value2, ...) ...]
static int32_t parseValuesClause(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, SRowsDataContext rowsDataContext,
                                 SToken* pToken) {
  int32_t numOfRows = 0;
  int32_t code = parseValues(pCxt, pStmt, rowsDataContext, &numOfRows, pToken);
  if (TSDB_CODE_SUCCESS == code) {
    pStmt->totalRowsNum += numOfRows;
    pStmt->totalTbNum += 1;
    TSDB_QUERY_SET_TYPE(pStmt->insertType, TSDB_QUERY_TYPE_INSERT);
  }
  return code;
}

// Simplified CSV parser - only handles newlines within quotes
static int32_t csvParserReadLine(SCsvParser* parser) {
  if (!parser) {
    return TSDB_CODE_INVALID_PARA;
  }

  size_t  lineLen = 0;
  bool    inQuotes = false;
  char    currentQuote = '\0';  // Track which quote character we're inside
  int32_t code = TSDB_CODE_SUCCESS;

  while (true) {
    // Fill buffer if needed
    if (parser->bufferPos >= parser->bufferLen) {
      code = csvParserFillBuffer(parser);
      if (code != TSDB_CODE_SUCCESS) {
        break;
      }
      if (parser->bufferPos >= parser->bufferLen && parser->eof) {
        // End of file
        if (lineLen == 0) {
          code = TSDB_CODE_TSC_QUERY_CANCELLED;  // Use this to indicate EOF
        }
        break;
      }
    }

    char ch = parser->buffer[parser->bufferPos++];

    // Handle quotes - support both single and double quotes
    if (!inQuotes && (ch == CSV_QUOTE_SINGLE || ch == CSV_QUOTE_DOUBLE)) {
      // Starting a quoted section
      inQuotes = true;
      currentQuote = ch;
    } else if (inQuotes && ch == currentQuote) {
      // Check for escaped quote (double quote)
      if (parser->bufferPos < parser->bufferLen && parser->buffer[parser->bufferPos] == currentQuote) {
        // Escaped quote - keep both quotes in line for subsequent processing
        // Ensure enough space for both quote characters
        code = csvParserExpandLineBuffer(parser, lineLen + 2);
        if (code != TSDB_CODE_SUCCESS) {
          break;
        }

        // Add the first quote character to the line
        parser->lineBuffer[lineLen++] = ch;

        // Consume and add the second quote character
        parser->bufferPos++;
        ch = parser->buffer[parser->bufferPos - 1];  // The second quote
        parser->lineBuffer[lineLen++] = ch;
        continue;
      } else {
        // End of quoted section
        inQuotes = false;
        currentQuote = '\0';
      }
    }

    // Handle newlines
    if (ch == '\n' && !inQuotes) {
      // End of line (not inside quotes)
      break;
    }

    // Skip \r characters only when outside quotes
    if (ch == '\r' && !inQuotes) {
      continue;
    }

    // Expand buffer if needed
    code = csvParserExpandLineBuffer(parser, lineLen + 1);
    if (code != TSDB_CODE_SUCCESS) {
      break;
    }

    // Add character to line
    parser->lineBuffer[lineLen++] = ch;
  }

  if (code == TSDB_CODE_SUCCESS) {
    parser->lineBuffer[lineLen] = '\0';
  }

  return code;
}

static int32_t parseCsvFile(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, SRowsDataContext rowsDataCxt,
                            int32_t* pNumOfRows) {
  int32_t code = TSDB_CODE_SUCCESS;
  (*pNumOfRows) = 0;

  // Initialize or use existing CSV parser in pStmt
  if (pStmt->pCsvParser == NULL) {
    // First time - allocate and initialize CSV parser
    pStmt->pCsvParser = taosMemoryMalloc(sizeof(SCsvParser));
    if (!pStmt->pCsvParser) {
      return terrno;
    }
    code = csvParserInit(pStmt->pCsvParser, pStmt->fp);
    if (code != TSDB_CODE_SUCCESS) {
      taosMemoryFree(pStmt->pCsvParser);
      pStmt->pCsvParser = NULL;
      return code;
    }
  }
  // If pStmt->pCsvParser exists, we continue from where we left off

  bool firstLine = (pStmt->fileProcessing == false);
  pStmt->fileProcessing = false;

  while (TSDB_CODE_SUCCESS == code) {
    // Read one line from CSV using the parser in pStmt
    code = csvParserReadLine(pStmt->pCsvParser);
    if (code == TSDB_CODE_TSC_QUERY_CANCELLED) {
      // End of file
      code = TSDB_CODE_SUCCESS;
      break;
    }
    if (code != TSDB_CODE_SUCCESS) {
      break;
    }

    // Skip empty lines
    if (!pStmt->pCsvParser->lineBuffer || strlen(pStmt->pCsvParser->lineBuffer) == 0) {
      firstLine = false;
      continue;
    }

    bool   gotRow = false;
    SToken token;
    (void)strtolower(pStmt->pCsvParser->lineBuffer, pStmt->pCsvParser->lineBuffer);
    const char* pRow = pStmt->pCsvParser->lineBuffer;

    if (!pStmt->stbSyntax) {
      code = parseOneRow(pCxt, (const char**)&pRow, rowsDataCxt.pTableDataCxt, &gotRow, &token);
    } else {
      STableDataCxt* pTableDataCxt = NULL;
      code = parseOneStbRow(pCxt, pStmt, (const char**)&pRow, rowsDataCxt.pStbRowsCxt, &gotRow, &token, &pTableDataCxt);
      if (code == TSDB_CODE_SUCCESS) {
        SStbRowsDataContext* pStbRowsCxt = rowsDataCxt.pStbRowsCxt;
        void*                pData = pTableDataCxt;
        code = taosHashPut(pStmt->pTableCxtHashObj, &pStbRowsCxt->pCtbMeta->uid, sizeof(pStbRowsCxt->pCtbMeta->uid),
                           &pData, POINTER_BYTES);
        if (TSDB_CODE_SUCCESS != code) {
          break;
        }
      }
    }

    if (code && firstLine) {
      firstLine = false;
      code = 0;
      continue;
    }

    if (TSDB_CODE_SUCCESS == code && gotRow) {
      (*pNumOfRows)++;
    }

    if (TSDB_CODE_SUCCESS == code && (*pNumOfRows) >= tsMaxInsertBatchRows) {
      // Reached batch limit - keep the parser in pStmt for next batch
      pStmt->fileProcessing = true;
      break;
    }
    firstLine = false;
  }

  // Don't destroy the parser here - it will be cleaned up when file processing is complete

  parserDebug("QID:0x%" PRIx64 ", %d rows have been parsed", pCxt->pComCxt->requestId, *pNumOfRows);

  if (TSDB_CODE_SUCCESS == code && 0 == (*pNumOfRows) && 0 == pStmt->totalRowsNum &&
      (!TSDB_QUERY_HAS_TYPE(pStmt->insertType, TSDB_QUERY_TYPE_STMT_INSERT)) && !pStmt->fileProcessing) {
    code = buildSyntaxErrMsg(&pCxt->msg, "no any data points", NULL);
  }
  return code;
}

static int32_t parseDataFromFileImpl(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt,
                                     SRowsDataContext rowsDataCxt) {
  // init only for file
  if (NULL == pStmt->pTableCxtHashObj) {
    pStmt->pTableCxtHashObj = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK);
    if (!pStmt->pTableCxtHashObj) {
      return terrno;
    }
  }
  int32_t numOfRows = 0;
  int32_t code = parseCsvFile(pCxt, pStmt, rowsDataCxt, &numOfRows);
  if (TSDB_CODE_SUCCESS == code) {
    pStmt->totalRowsNum += numOfRows;
    pStmt->totalTbNum += 1;
    TSDB_QUERY_SET_TYPE(pStmt->insertType, TSDB_QUERY_TYPE_FILE_INSERT);
    if (rowsDataCxt.pTableDataCxt && rowsDataCxt.pTableDataCxt->pData) {
      rowsDataCxt.pTableDataCxt->pData->flags |= SUBMIT_REQ_FROM_FILE;
    }
    if (!pStmt->fileProcessing) {
      // File processing is complete, clean up saved CSV parser
      destroySavedCsvParser(pStmt);
      code = taosCloseFile(&pStmt->fp);
      if (TSDB_CODE_SUCCESS != code) {
        parserWarn("QID:0x%" PRIx64 ", failed to close file.", pCxt->pComCxt->requestId);
      }
    } else {
      parserDebug("QID:0x%" PRIx64 ", insert from csv. File is too large, do it in batches.", pCxt->pComCxt->requestId);
    }
    if (pStmt->insertType != TSDB_QUERY_TYPE_FILE_INSERT) {
      destroySavedCsvParser(pStmt);
      return buildSyntaxErrMsg(&pCxt->msg, "keyword VALUES or FILE is exclusive", NULL);
    }
  } else {
    // On error, also clean up saved CSV parser
    destroySavedCsvParser(pStmt);
    return buildInvalidOperationMsg(&pCxt->msg, tstrerror(code));
  }

  // just record pTableCxt whose data come from file
  if (!pStmt->stbSyntax && numOfRows > 0) {
    void* pData = rowsDataCxt.pTableDataCxt;
    code = taosHashPut(pStmt->pTableCxtHashObj, &pStmt->pTableMeta->uid, sizeof(pStmt->pTableMeta->uid), &pData,
                       POINTER_BYTES);
  }

  return code;
}

static int32_t parseDataFromFile(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, SToken* pFilePath,
                                 SRowsDataContext rowsDataCxt) {
  char filePathStr[PATH_MAX + 16] = {0};
  if (TK_NK_STRING == pFilePath->type) {
    (void)trimString(pFilePath->z, pFilePath->n, filePathStr, sizeof(filePathStr));
    if (strlen(filePathStr) >= PATH_MAX) {
      return buildSyntaxErrMsg(&pCxt->msg, "file path is too long, max length is 4096", pFilePath->z);
    }
  } else {
    if (pFilePath->n >= PATH_MAX) {
      return buildSyntaxErrMsg(&pCxt->msg, "file path is too long, max length is 4096", pFilePath->z);
    }
    strncpy(filePathStr, pFilePath->z, pFilePath->n);
  }
  pStmt->fp = taosOpenFile(filePathStr, TD_FILE_READ);
  if (NULL == pStmt->fp) {
    return terrno;
  }

  return parseDataFromFileImpl(pCxt, pStmt, rowsDataCxt);
}

static int32_t parseFileClause(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, SRowsDataContext rowsDataCxt,
                               SToken* pToken) {
  if (tsUseAdapter) {
    return buildInvalidOperationMsg(&pCxt->msg, "proxy mode does not support csv loading");
  }

  NEXT_TOKEN(pStmt->pSql, *pToken);
  if (0 == pToken->n || (TK_NK_STRING != pToken->type && TK_NK_ID != pToken->type)) {
    return buildSyntaxErrMsg(&pCxt->msg, "file path is required following keyword FILE", pToken->z);
  }
  return parseDataFromFile(pCxt, pStmt, pToken, rowsDataCxt);
}

// VALUES (field1_value, ...) [(field1_value2, ...) ...] | FILE csv_file_path
static int32_t parseDataClause(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, SRowsDataContext rowsDataCxt) {
  SToken token;
  NEXT_TOKEN(pStmt->pSql, token);
  switch (token.type) {
    case TK_VALUES:
      if (TSDB_QUERY_HAS_TYPE(pStmt->insertType, TSDB_QUERY_TYPE_FILE_INSERT)) {
        return buildSyntaxErrMsg(&pCxt->msg, "keyword VALUES or FILE is exclusive", token.z);
      }
      return parseValuesClause(pCxt, pStmt, rowsDataCxt, &token);
    case TK_FILE:
      return parseFileClause(pCxt, pStmt, rowsDataCxt, &token);
    default:
      break;
  }
  return buildSyntaxErrMsg(&pCxt->msg, "keyword VALUES or FILE is expected", token.z);
}

static void destroyStbRowsDataContext(SStbRowsDataContext* pStbRowsCxt) {
  if (pStbRowsCxt == NULL) return;
  clearStbRowsDataContext(pStbRowsCxt);
  taosArrayDestroy(pStbRowsCxt->aColVals);
  pStbRowsCxt->aColVals = NULL;
  taosArrayDestroy(pStbRowsCxt->aTagVals);
  pStbRowsCxt->aTagVals = NULL;
  taosArrayDestroy(pStbRowsCxt->aTagNames);
  pStbRowsCxt->aTagNames = NULL;
  insDestroyBoundColInfo(&pStbRowsCxt->boundColsInfo);
  tTagFree(pStbRowsCxt->pTag);
  pStbRowsCxt->pTag = NULL;
  taosMemoryFreeClear(pStbRowsCxt->pCtbMeta);
  tdDestroySVCreateTbReq(pStbRowsCxt->pCreateCtbReq);
  taosMemoryFreeClear(pStbRowsCxt->pCreateCtbReq);
}

static int32_t constructStbRowsDataContext(SVnodeModifyOpStmt* pStmt, SStbRowsDataContext** ppStbRowsCxt) {
  SStbRowsDataContext* pStbRowsCxt = taosMemoryCalloc(1, sizeof(SStbRowsDataContext));
  if (!pStbRowsCxt) {
    return terrno;
  }
  tNameAssign(&pStbRowsCxt->stbName, &pStmt->targetTableName);
  int32_t code = collectUseTable(&pStbRowsCxt->stbName, pStmt->pTableNameHashObj);
  if (TSDB_CODE_SUCCESS == code) {
    code = collectUseDatabase(&pStbRowsCxt->stbName, pStmt->pDbFNameHashObj);
  }
  if (TSDB_CODE_SUCCESS == code) {
    pStbRowsCxt->ctbName.type = TSDB_TABLE_NAME_T;
    pStbRowsCxt->ctbName.acctId = pStbRowsCxt->stbName.acctId;
    memcpy(pStbRowsCxt->ctbName.dbname, pStbRowsCxt->stbName.dbname, sizeof(pStbRowsCxt->stbName.dbname));

    pStbRowsCxt->pTagCond = pStmt->pTagCond;
    pStbRowsCxt->pStbMeta = pStmt->pTableMeta;

    code = cloneTableMeta(pStbRowsCxt->pStbMeta, &pStbRowsCxt->pCtbMeta);
  }
  if (TSDB_CODE_SUCCESS == code) {
    pStbRowsCxt->pCtbMeta->tableType = TSDB_CHILD_TABLE;
    pStbRowsCxt->pCtbMeta->suid = pStbRowsCxt->pStbMeta->uid;

    pStbRowsCxt->aTagNames = taosArrayInit(8, TSDB_COL_NAME_LEN);
    if (!pStbRowsCxt->aTagNames) {
      code = terrno;
    }
  }
  if (TSDB_CODE_SUCCESS == code) {
    pStbRowsCxt->aTagVals = taosArrayInit(8, sizeof(STagVal));
    if (!pStbRowsCxt->aTagVals) {
      code = terrno;
    }
  }
  if (TSDB_CODE_SUCCESS == code) {
    // col values and bound cols info of STableDataContext is not used
    pStbRowsCxt->aColVals = taosArrayInit(getNumOfColumns(pStbRowsCxt->pStbMeta), sizeof(SColVal));
    if (!pStbRowsCxt->aColVals) code = terrno;
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = insInitColValues(pStbRowsCxt->pStbMeta, pStbRowsCxt->aColVals);
  }
  if (TSDB_CODE_SUCCESS == code) {
    STableComInfo tblInfo = getTableInfo(pStmt->pTableMeta);
    code = insInitBoundColsInfo(tblInfo.numOfColumns + tblInfo.numOfTags + 1, &pStbRowsCxt->boundColsInfo);
  }
  if (TSDB_CODE_SUCCESS == code) {
    *ppStbRowsCxt = pStbRowsCxt;
  } else {
    clearStbRowsDataContext(pStbRowsCxt);
  }
  return code;
}

static int32_t parseInsertStbClauseBottom(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  int32_t code = TSDB_CODE_SUCCESS;
  if (!pStmt->pBoundCols) {
    return buildSyntaxErrMsg(&pCxt->msg, "(...tbname, ts...) bounded cols is expected for supertable insertion",
                             pStmt->pSql);
  }

  SStbRowsDataContext* pStbRowsCxt = NULL;
  code = constructStbRowsDataContext(pStmt, &pStbRowsCxt);

  if (code == TSDB_CODE_SUCCESS) {
    code = parseBoundColumns(pCxt, &pStmt->pBoundCols, BOUND_ALL_AND_TBNAME, pStmt->pTableMeta,
                             &pStbRowsCxt->boundColsInfo);
    pStbRowsCxt->hasTimestampTag = false;
    for (int32_t i = 0; i < pStbRowsCxt->boundColsInfo.numOfBound; ++i) {
      int16_t schemaIndex = pStbRowsCxt->boundColsInfo.pColIndex[i];
      if (schemaIndex != getTbnameSchemaIndex(pStmt->pTableMeta) && schemaIndex >= getNumOfColumns(pStmt->pTableMeta)) {
        if (pStmt->pTableMeta->schema[schemaIndex].type == TSDB_DATA_TYPE_TIMESTAMP) {
          pStbRowsCxt->hasTimestampTag = true;
        }
        if (pStmt->pTableMeta->schema[schemaIndex].type == TSDB_DATA_TYPE_JSON) {
          pStbRowsCxt->isJsonTag = true;
        }
      }
    }
    pStmt->pStbRowsCxt = pStbRowsCxt;
  }

  if (code == TSDB_CODE_SUCCESS) {
    SRowsDataContext rowsDataCxt;
    rowsDataCxt.pStbRowsCxt = pStbRowsCxt;
    code = parseDataClause(pCxt, pStmt, rowsDataCxt);
  }

  return code;
}

// input pStmt->pSql:
//   1. [(tag1_name, ...)] ...
//   2. VALUES ... | FILE ...
static int32_t parseInsertTableClauseBottom(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  if (!pStmt->stbSyntax) {
    STableDataCxt*   pTableCxt = NULL;
    int32_t          code = parseSchemaClauseBottom(pCxt, pStmt, &pTableCxt);
    SRowsDataContext rowsDataCxt;
    rowsDataCxt.pTableDataCxt = pTableCxt;
    if (TSDB_CODE_SUCCESS == code) {
      code = parseDataClause(pCxt, pStmt, rowsDataCxt);
    }
    return code;
  } else {
    int32_t code = parseInsertStbClauseBottom(pCxt, pStmt);
    return code;
  }
}

static void resetEnvPreTable(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  insDestroyBoundColInfo(&pCxt->tags);
  taosMemoryFreeClear(pStmt->pTableMeta);
  nodesDestroyNode(pStmt->pTagCond);
  taosArrayDestroy(pStmt->pTableTag);
  tdDestroySVCreateTbReq(pStmt->pCreateTblReq);
  taosMemoryFreeClear(pStmt->pCreateTblReq);
  pCxt->missCache = false;
  pCxt->usingDuplicateTable = false;
  pStmt->pBoundCols = NULL;
  pStmt->usingTableProcessing = false;
  pStmt->fileProcessing = false;
  pStmt->usingTableName.type = 0;

  destroyStbRowsDataContext(pStmt->pStbRowsCxt);
  taosMemoryFreeClear(pStmt->pStbRowsCxt);
  pStmt->stbSyntax = false;
}

// input pStmt->pSql: [(field1_name, ...)] [ USING ... ] VALUES ... | FILE ...
static int32_t parseInsertTableClause(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, SToken* pTbName) {
  resetEnvPreTable(pCxt, pStmt);
  int32_t code = parseSchemaClauseTop(pCxt, pStmt, pTbName);
  if (TSDB_CODE_SUCCESS == code && !pCxt->missCache) {
    code = parseInsertTableClauseBottom(pCxt, pStmt);
  }

  return code;
}

static int32_t checkTableClauseFirstToken(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, SToken* pTbName,
                                          bool* pHasData) {
  // no data in the sql string anymore.
  if (0 == pTbName->n) {
    if (0 != pTbName->type && '\0' != pStmt->pSql[0]) {
      return buildSyntaxErrMsg(&pCxt->msg, "invalid table name", pTbName->z);
    }

    if (0 == pStmt->totalRowsNum && (!TSDB_QUERY_HAS_TYPE(pStmt->insertType, TSDB_QUERY_TYPE_STMT_INSERT))) {
      return buildInvalidOperationMsg(&pCxt->msg, "no data in sql");
    }

    *pHasData = false;
    return TSDB_CODE_SUCCESS;
  }

  if (TSDB_QUERY_HAS_TYPE(pStmt->insertType, TSDB_QUERY_TYPE_STMT_INSERT) && pStmt->totalTbNum > 0) {
    return buildInvalidOperationMsg(&pCxt->msg, "single table allowed in one stmt");
  }

  if (TK_NK_QUESTION == pTbName->type) {
    pCxt->stmtTbNameFlag &= ~IS_FIXED_VALUE;
    pCxt->isStmtBind = true;
    if (NULL == pCxt->pComCxt->pStmtCb) {
      return buildSyntaxErrMsg(&pCxt->msg, "? only used in stmt", pTbName->z);
    }

    char*   tbName = NULL;
    int32_t code = (*pCxt->pComCxt->pStmtCb->getTbNameFn)(pCxt->pComCxt->pStmtCb->pStmt, &tbName);
    if (TSDB_CODE_SUCCESS == code) {
      pCxt->stmtTbNameFlag |= HAS_BIND_VALUE;
      pTbName->z = tbName;
      pTbName->n = strlen(tbName);
    }
    if (code == TSDB_CODE_TSC_STMT_TBNAME_ERROR) {
      pCxt->stmtTbNameFlag &= ~HAS_BIND_VALUE;
      code = TSDB_CODE_SUCCESS;
    }
    return code;
  }

  if (TK_NK_ID != pTbName->type && TK_NK_STRING != pTbName->type && TK_NK_QUESTION != pTbName->type) {
    return buildSyntaxErrMsg(&pCxt->msg, "table_name is expected", pTbName->z);
  }

  // db.? situation，ensure that the only thing following the '.' mark is '?'
  char* tbNameAfterDbName = strnchr(pTbName->z, '.', pTbName->n, true);
  if (tbNameAfterDbName != NULL) {
    if (*(tbNameAfterDbName + 1) == '?') {
      pCxt->stmtTbNameFlag &= ~IS_FIXED_VALUE;
      char* tbName = NULL;
      if (NULL == pCxt->pComCxt->pStmtCb) {
        return buildSyntaxErrMsg(&pCxt->msg, "? only used in stmt", pTbName->z);
      }
      int32_t code = (*pCxt->pComCxt->pStmtCb->getTbNameFn)(pCxt->pComCxt->pStmtCb->pStmt, &tbName);
      if (TSDB_CODE_SUCCESS == code) {
        pCxt->stmtTbNameFlag |= HAS_BIND_VALUE;
        pTbName->z = tbName;
        pTbName->n = strlen(tbName);
      }
      if (code == TSDB_CODE_TSC_STMT_TBNAME_ERROR) {
        pCxt->stmtTbNameFlag &= ~HAS_BIND_VALUE;
        code = TSDB_CODE_SUCCESS;
      }
    } else {
      pCxt->stmtTbNameFlag |= IS_FIXED_VALUE;
      parserWarn("QID:0x%" PRIx64 ", table name is specified in sql, ignore the table name in bind param",
                 pCxt->pComCxt->requestId);
      *pHasData = true;
    }
    return TSDB_CODE_SUCCESS;
  }

  if (TK_NK_ID == pTbName->type) {
    pCxt->stmtTbNameFlag |= IS_FIXED_VALUE;
  }

  *pHasData = true;
  return TSDB_CODE_SUCCESS;
}

static int32_t setStmtInfo(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  SBoundColInfo* tags = taosMemoryMalloc(sizeof(pCxt->tags));
  if (NULL == tags) {
    return terrno;
  }
  memcpy(tags, &pCxt->tags, sizeof(pCxt->tags));

  SStmtCallback* pStmtCb = pCxt->pComCxt->pStmtCb;
  int32_t        code = (*pStmtCb->setInfoFn)(pStmtCb->pStmt, pStmt->pTableMeta, tags, &pStmt->targetTableName,
                                       pStmt->usingTableProcessing, pStmt->pVgroupsHashObj, pStmt->pTableBlockHashObj,
                                       pStmt->usingTableName.tname, pCxt->stmtTbNameFlag);

  memset(&pCxt->tags, 0, sizeof(pCxt->tags));
  pStmt->pVgroupsHashObj = NULL;
  pStmt->pTableBlockHashObj = NULL;
  return code;
}

static int32_t parseInsertBodyBottom(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  if (TSDB_QUERY_HAS_TYPE(pStmt->insertType, TSDB_QUERY_TYPE_STMT_INSERT)) {
    return setStmtInfo(pCxt, pStmt);
  }

  // release old array alloced by merge
  pStmt->freeArrayFunc(pStmt->pVgDataBlocks);
  pStmt->pVgDataBlocks = NULL;

  bool fileOnly = (pStmt->insertType == TSDB_QUERY_TYPE_FILE_INSERT);
  if (fileOnly) {
    // none data, skip merge & buildvgdata
    if (0 == taosHashGetSize(pStmt->pTableCxtHashObj)) {
      pCxt->needRequest = false;
      return TSDB_CODE_SUCCESS;
    }
  }

  // merge according to vgId
  int32_t code = insMergeTableDataCxt(fileOnly ? pStmt->pTableCxtHashObj : pStmt->pTableBlockHashObj,
                                      &pStmt->pVgDataBlocks, pStmt->fileProcessing);
  // clear tmp hashobj only
  taosHashClear(pStmt->pTableCxtHashObj);

  if (TSDB_CODE_SUCCESS == code) {
    code = insBuildVgDataBlocks(pStmt->pVgroupsHashObj, pStmt->pVgDataBlocks, &pStmt->pDataBlocks, false);
  }

  return code;
}

// tb_name
//     [USING stb_name [(tag1_name, ...)] TAGS (tag1_value, ...)]
//     [(field1_name, ...)]
//     VALUES (field1_value, ...) [(field1_value2, ...) ...] | FILE csv_file_path
// [...];
static int32_t parseInsertBody(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  SToken  token;
  int32_t code = TSDB_CODE_SUCCESS;
  bool    hasData = true;
  // for each table
  while (TSDB_CODE_SUCCESS == code && hasData && !pCxt->missCache && !pStmt->fileProcessing) {
    // pStmt->pSql -> tb_name ...
    NEXT_TOKEN(pStmt->pSql, token);
    code = checkTableClauseFirstToken(pCxt, pStmt, &token, &hasData);
    if (TSDB_CODE_SUCCESS == code && hasData) {
      code = parseInsertTableClause(pCxt, pStmt, &token);
    }

    if( TSDB_CODE_SUCCESS == code && pStmt->pTableMeta &&
        (((pStmt->pTableMeta->virtualStb == 1) && (pStmt->pTableMeta->tableType == TSDB_SUPER_TABLE)) ||
        (pStmt->pTableMeta->tableType == TSDB_VIRTUAL_NORMAL_TABLE ||
          pStmt->pTableMeta->tableType == TSDB_VIRTUAL_CHILD_TABLE))) {
      code = buildInvalidOperationMsg(&pCxt->msg, "Virtual table can not be written");
    }
  }

  if (TSDB_CODE_SUCCESS == code && !pCxt->missCache) {
    code = parseInsertBodyBottom(pCxt, pStmt);
  }
  return code;
}

static void destroySubTableHashElem(void* p) { taosMemoryFree(*(STableMeta**)p); }

static int32_t createVnodeModifOpStmt(SInsertParseContext* pCxt, bool reentry, SNode** pOutput) {
  SVnodeModifyOpStmt* pStmt = NULL;
  int32_t             code = nodesMakeNode(QUERY_NODE_VNODE_MODIFY_STMT, (SNode**)&pStmt);
  if (NULL == pStmt) {
    return code;
  }

  if (pCxt->pComCxt->pStmtCb) {
    TSDB_QUERY_SET_TYPE(pStmt->insertType, TSDB_QUERY_TYPE_STMT_INSERT);
  }
  pStmt->pSql = pCxt->pComCxt->pSql;

  pStmt->freeHashFunc = insDestroyTableDataCxtHashMap;
  pStmt->freeArrayFunc = insDestroyVgroupDataCxtList;
  pStmt->freeStbRowsCxtFunc = destroyStbRowsDataContext;
  pStmt->pCsvParser = NULL;

  if (!reentry) {
    pStmt->pVgroupsHashObj = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), true, HASH_ENTRY_LOCK);
    if (pCxt->pComCxt->pStmtCb) {
      pStmt->pTableBlockHashObj =
          taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK);
    } else {
      pStmt->pTableBlockHashObj =
          taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, HASH_NO_LOCK);
    }
  }
  pStmt->pSubTableHashObj = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_VARCHAR), true, HASH_NO_LOCK);
  pStmt->pSuperTableHashObj = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_VARCHAR), true, HASH_NO_LOCK);
  pStmt->pTableNameHashObj = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_VARCHAR), true, HASH_NO_LOCK);
  pStmt->pDbFNameHashObj = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_VARCHAR), true, HASH_NO_LOCK);
  if ((!reentry && (NULL == pStmt->pVgroupsHashObj || NULL == pStmt->pTableBlockHashObj)) ||
      NULL == pStmt->pSubTableHashObj || NULL == pStmt->pTableNameHashObj || NULL == pStmt->pDbFNameHashObj) {
    nodesDestroyNode((SNode*)pStmt);
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  taosHashSetFreeFp(pStmt->pSubTableHashObj, destroySubTableHashElem);
  taosHashSetFreeFp(pStmt->pSuperTableHashObj, destroySubTableHashElem);

  *pOutput = (SNode*)pStmt;
  return TSDB_CODE_SUCCESS;
}

static int32_t createInsertQuery(SInsertParseContext* pCxt, SQuery** pOutput) {
  SQuery* pQuery = NULL;
  int32_t code = nodesMakeNode(QUERY_NODE_QUERY, (SNode**)&pQuery);
  if (NULL == pQuery) {
    return code;
  }

  pQuery->execMode = QUERY_EXEC_MODE_SCHEDULE;
  pQuery->haveResultSet = false;
  pQuery->msgType = TDMT_VND_SUBMIT;

  code = createVnodeModifOpStmt(pCxt, false, &pQuery->pRoot);
  if (TSDB_CODE_SUCCESS == code) {
    *pOutput = pQuery;
  } else {
    nodesDestroyNode((SNode*)pQuery);
  }
  return code;
}

static int32_t checkAuthFromMetaData(const SArray* pUsers, SNode** pTagCond) {
  if (1 != taosArrayGetSize(pUsers)) {
    return TSDB_CODE_FAILED;
  }

  SMetaRes* pRes = taosArrayGet(pUsers, 0);
  if (TSDB_CODE_SUCCESS == pRes->code) {
    SUserAuthRes* pAuth = pRes->pRes;
    pRes->code = nodesCloneNode(pAuth->pCond[AUTH_RES_BASIC], pTagCond);
    if (TSDB_CODE_SUCCESS == pRes->code) {
      return pAuth->pass[AUTH_RES_BASIC] ? TSDB_CODE_SUCCESS : TSDB_CODE_PAR_PERMISSION_DENIED;
    }
  }
  return pRes->code;
}

static int32_t getTableMetaFromMetaData(const SArray* pTables, STableMeta** pMeta) {
  if (1 != taosArrayGetSize(pTables) && 2 != taosArrayGetSize(pTables)) {
    return TSDB_CODE_FAILED;
  }

  taosMemoryFreeClear(*pMeta);
  SMetaRes* pRes = taosArrayGet(pTables, 0);
  if (TSDB_CODE_SUCCESS == pRes->code) {
    *pMeta = tableMetaDup((const STableMeta*)pRes->pRes);
    if (NULL == *pMeta) {
      return TSDB_CODE_OUT_OF_MEMORY;
    }
  }
  return pRes->code;
}

static int32_t addTableVgroupFromMetaData(const SArray* pTables, SVnodeModifyOpStmt* pStmt, bool isStb) {
  if (1 != taosArrayGetSize(pTables)) {
    return TSDB_CODE_FAILED;
  }

  SMetaRes* pRes = taosArrayGet(pTables, 0);
  if (TSDB_CODE_SUCCESS != pRes->code) {
    return pRes->code;
  }

  SVgroupInfo* pVg = pRes->pRes;
  if (isStb) {
    pStmt->pTableMeta->vgId = pVg->vgId;
  }
  return taosHashPut(pStmt->pVgroupsHashObj, (const char*)&pVg->vgId, sizeof(pVg->vgId), (char*)pVg,
                     sizeof(SVgroupInfo));
}

static int32_t buildTagNameFromMeta(STableMeta* pMeta, SArray** pTagName) {
  *pTagName = taosArrayInit(pMeta->tableInfo.numOfTags, TSDB_COL_NAME_LEN);
  if (NULL == *pTagName) {
    return terrno;
  }
  SSchema* pSchema = getTableTagSchema(pMeta);
  int32_t  code = 0;
  for (int32_t i = 0; i < pMeta->tableInfo.numOfTags; ++i) {
    if (NULL == taosArrayPush(*pTagName, pSchema[i].name)) {
      code = terrno;
      taosArrayDestroy(*pTagName);
      *pTagName = NULL;
      break;
    }
  }
  return code;
}

static int32_t checkSubtablePrivilegeForTable(const SArray* pTables, SVnodeModifyOpStmt* pStmt) {
  if (1 != taosArrayGetSize(pTables)) {
    return TSDB_CODE_FAILED;
  }

  SMetaRes* pRes = taosArrayGet(pTables, 0);
  if (TSDB_CODE_SUCCESS != pRes->code) {
    return pRes->code;
  }

  SArray* pTagName = NULL;
  int32_t code = buildTagNameFromMeta(pStmt->pTableMeta, &pTagName);
  if (TSDB_CODE_SUCCESS == code) {
    code = checkSubtablePrivilege((SArray*)pRes->pRes, pTagName, &pStmt->pTagCond);
  }
  taosArrayDestroy(pTagName);
  return code;
}

static int32_t processTableSchemaFromMetaData(SInsertParseContext* pCxt, const SMetaData* pMetaData,
                                              SVnodeModifyOpStmt* pStmt, bool isStb) {
  int32_t code = TSDB_CODE_SUCCESS;
  if (!isStb && TSDB_SUPER_TABLE == pStmt->pTableMeta->tableType) {
    code = buildInvalidOperationMsg(&pCxt->msg, "insert data into super table is not supported");
  }

  if (TSDB_CODE_SUCCESS == code && isStb) {
    code = storeChildTableMeta(pCxt, pStmt);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = addTableVgroupFromMetaData(pMetaData->pTableHash, pStmt, isStb);
  }
  if (TSDB_CODE_SUCCESS == code && !isStb && NULL != pStmt->pTagCond) {
    code = checkSubtablePrivilegeForTable(pMetaData->pTableTag, pStmt);
  }
  return code;
}

static void destoryTablesReq(void* p) {
  STablesReq* pRes = (STablesReq*)p;
  taosArrayDestroy(pRes->pTables);
}

static void clearCatalogReq(SCatalogReq* pCatalogReq) {
  if (NULL == pCatalogReq) {
    return;
  }

  taosArrayDestroyEx(pCatalogReq->pTableMeta, destoryTablesReq);
  pCatalogReq->pTableMeta = NULL;
  taosArrayDestroyEx(pCatalogReq->pTableHash, destoryTablesReq);
  pCatalogReq->pTableHash = NULL;
  taosArrayDestroy(pCatalogReq->pUser);
  pCatalogReq->pUser = NULL;
  taosArrayDestroy(pCatalogReq->pTableTag);
  pCatalogReq->pTableTag = NULL;
}

static int32_t setVnodeModifOpStmt(SInsertParseContext* pCxt, SCatalogReq* pCatalogReq, const SMetaData* pMetaData,
                                   SVnodeModifyOpStmt* pStmt) {
  clearCatalogReq(pCatalogReq);
  int32_t code = checkAuthFromMetaData(pMetaData->pUser, &pStmt->pTagCond);
  if (code == TSDB_CODE_SUCCESS) {
    code = getTableMetaFromMetaData(pMetaData->pTableMeta, &pStmt->pTableMeta);
  }
  if (code == TSDB_CODE_SUCCESS) {
    if (pStmt->pTableMeta->tableType == TSDB_SUPER_TABLE && !pStmt->usingTableProcessing) {
      pStmt->stbSyntax = true;
    }
    if (!pStmt->stbSyntax) {
      if (pStmt->usingTableProcessing) {
        return processTableSchemaFromMetaData(pCxt, pMetaData, pStmt, true);
      }
      return processTableSchemaFromMetaData(pCxt, pMetaData, pStmt, false);
    }
  }
  return code;
}

static int32_t resetVnodeModifOpStmt(SInsertParseContext* pCxt, SQuery* pQuery) {
  nodesDestroyNode(pQuery->pRoot);

  int32_t code = createVnodeModifOpStmt(pCxt, true, &pQuery->pRoot);
  if (TSDB_CODE_SUCCESS == code) {
    SVnodeModifyOpStmt* pStmt = (SVnodeModifyOpStmt*)pQuery->pRoot;

    code = (*pCxt->pComCxt->pStmtCb->getExecInfoFn)(pCxt->pComCxt->pStmtCb->pStmt, &pStmt->pVgroupsHashObj,
                                                    &pStmt->pTableBlockHashObj);
    if (TSDB_CODE_SUCCESS == code) {
      if (NULL == pStmt->pVgroupsHashObj) {
        pStmt->pVgroupsHashObj = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), true, HASH_NO_LOCK);
      }
      if (NULL == pStmt->pTableBlockHashObj) {
        pStmt->pTableBlockHashObj =
            taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK);
      }
      if (NULL == pStmt->pVgroupsHashObj || NULL == pStmt->pTableBlockHashObj) {
        code = TSDB_CODE_OUT_OF_MEMORY;
      }
    }
  }

  return code;
}

static int32_t initInsertQuery(SInsertParseContext* pCxt, SCatalogReq* pCatalogReq, const SMetaData* pMetaData,
                               SQuery** pQuery) {
  if (NULL == *pQuery) {
    return createInsertQuery(pCxt, pQuery);
  }

  if (NULL != pCxt->pComCxt->pStmtCb) {
    return resetVnodeModifOpStmt(pCxt, *pQuery);
  }

  SVnodeModifyOpStmt* pStmt = (SVnodeModifyOpStmt*)(*pQuery)->pRoot;

  if (!pStmt->fileProcessing) {
    return setVnodeModifOpStmt(pCxt, pCatalogReq, pMetaData, pStmt);
  }

  return TSDB_CODE_SUCCESS;
}

static int32_t setRefreshMeta(SQuery* pQuery) {
  SVnodeModifyOpStmt* pStmt = (SVnodeModifyOpStmt*)pQuery->pRoot;
  int32_t             code = 0;

  if (taosHashGetSize(pStmt->pTableNameHashObj) > 0) {
    taosArrayDestroy(pQuery->pTableList);
    pQuery->pTableList = taosArrayInit(taosHashGetSize(pStmt->pTableNameHashObj), sizeof(SName));
    if (!pQuery->pTableList) {
      code = terrno;
    } else {
      SName* pTable = taosHashIterate(pStmt->pTableNameHashObj, NULL);
      while (NULL != pTable) {
        if (NULL == taosArrayPush(pQuery->pTableList, pTable)) {
          code = terrno;
          taosHashCancelIterate(pStmt->pTableNameHashObj, pTable);
          break;
        }
        pTable = taosHashIterate(pStmt->pTableNameHashObj, pTable);
      }
    }
  }

  if (TSDB_CODE_SUCCESS == code && taosHashGetSize(pStmt->pDbFNameHashObj) > 0) {
    taosArrayDestroy(pQuery->pDbList);
    pQuery->pDbList = taosArrayInit(taosHashGetSize(pStmt->pDbFNameHashObj), TSDB_DB_FNAME_LEN);
    if (!pQuery->pDbList) {
      code = terrno;
    } else {
      char* pDb = taosHashIterate(pStmt->pDbFNameHashObj, NULL);
      while (NULL != pDb) {
        if (NULL == taosArrayPush(pQuery->pDbList, pDb)) {
          code = terrno;
          taosHashCancelIterate(pStmt->pDbFNameHashObj, pDb);
          break;
        }
        pDb = taosHashIterate(pStmt->pDbFNameHashObj, pDb);
      }
    }
  }

  return code;
}

// INSERT INTO
//   tb_name
//       [USING stb_name [(tag1_name, ...)] TAGS (tag1_value, ...) [table_options]]
//       [(field1_name, ...)]
//       VALUES (field1_value, ...) [(field1_value2, ...) ...] | FILE csv_file_path
//   [...];
static int32_t parseInsertSqlFromStart(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  int32_t code = skipInsertInto(&pStmt->pSql, &pCxt->msg);
  if (TSDB_CODE_SUCCESS == code) {
    code = parseInsertBody(pCxt, pStmt);
  }
  return code;
}

static int32_t parseInsertSqlFromCsv(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  int32_t          code = TSDB_CODE_SUCCESS;
  SRowsDataContext rowsDataCxt;

  if (!pStmt->stbSyntax) {
    STableDataCxt* pTableCxt = NULL;
    code = getTableDataCxt(pCxt, pStmt, &pTableCxt);
    rowsDataCxt.pTableDataCxt = pTableCxt;
  } else {
    rowsDataCxt.pStbRowsCxt = pStmt->pStbRowsCxt;
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = parseDataFromFileImpl(pCxt, pStmt, rowsDataCxt);
  }

  if (TSDB_CODE_SUCCESS == code) {
    if (pStmt->fileProcessing) {
      code = parseInsertBodyBottom(pCxt, pStmt);
    } else {
      code = parseInsertBody(pCxt, pStmt);
    }
  }

  return code;
}

static int32_t parseInsertSqlFromTable(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  int32_t code = parseInsertTableClauseBottom(pCxt, pStmt);
  if (TSDB_CODE_SUCCESS == code) {
    code = parseInsertBody(pCxt, pStmt);
  }
  return code;
}

static int32_t parseInsertSqlImpl(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt) {
  if (pStmt->pSql == pCxt->pComCxt->pSql || NULL != pCxt->pComCxt->pStmtCb) {
    return parseInsertSqlFromStart(pCxt, pStmt);
  }

  if (pStmt->fileProcessing) {
    return parseInsertSqlFromCsv(pCxt, pStmt);
  }

  return parseInsertSqlFromTable(pCxt, pStmt);
}

static int32_t buildUsingInsertTableReq(SName* pSName, SName* pCName, SArray** pTables) {
  if (NULL == *pTables) {
    *pTables = taosArrayInit(2, sizeof(SName));
    if (NULL == *pTables) {
      goto _err;
    }
  }
  if (NULL == taosArrayPush(*pTables, pSName)) {
    goto _err;
  }
  if (NULL == taosArrayPush(*pTables, pCName)) {
    goto _err;
  }
  return TSDB_CODE_SUCCESS;

_err:
  if (NULL != *pTables) {
    taosArrayDestroy(*pTables);
    *pTables = NULL;
  }
  return terrno;
}

static int32_t buildInsertTableReq(SName* pName, SArray** pTables) {
  *pTables = taosArrayInit(1, sizeof(SName));
  if (NULL == *pTables) {
    return terrno;
  }

  if (NULL == taosArrayPush(*pTables, pName)) {
    taosArrayDestroy(*pTables);
    *pTables = NULL;
    return terrno;
  }
  return TSDB_CODE_SUCCESS;
}

static int32_t buildInsertUsingDbReq(SName* pSName, SName* pCName, SArray** pDbs) {
  if (NULL == *pDbs) {
    *pDbs = taosArrayInit(1, sizeof(STablesReq));
    if (NULL == *pDbs) {
      return terrno;
    }
  }

  STablesReq req = {0};
  req.autoCreate = 1;
  (void)tNameGetFullDbName(pSName, req.dbFName);
  (void)tNameGetFullDbName(pCName, req.dbFName);

  int32_t code = buildUsingInsertTableReq(pSName, pCName, &req.pTables);
  if (TSDB_CODE_SUCCESS == code && NULL == taosArrayPush(*pDbs, &req)) {
    code = TSDB_CODE_OUT_OF_MEMORY;
  }
  return code;
}

static int32_t buildInsertDbReq(SName* pName, SArray** pDbs) {
  if (NULL == *pDbs) {
    *pDbs = taosArrayInit(1, sizeof(STablesReq));
    if (NULL == *pDbs) {
      return terrno;
    }
  }

  STablesReq req = {0};
  (void)tNameGetFullDbName(pName, req.dbFName);
  int32_t code = buildInsertTableReq(pName, &req.pTables);
  if (TSDB_CODE_SUCCESS == code && NULL == taosArrayPush(*pDbs, &req)) {
    code = TSDB_CODE_OUT_OF_MEMORY;
  }

  return code;
}

static int32_t buildInsertUserAuthReq(const char* pUser, SName* pName, SArray** pUserAuth) {
  *pUserAuth = taosArrayInit(1, sizeof(SUserAuthInfo));
  if (NULL == *pUserAuth) {
    return terrno;
  }

  SUserAuthInfo userAuth = {.type = AUTH_TYPE_WRITE};
  snprintf(userAuth.user, sizeof(userAuth.user), "%s", pUser);
  memcpy(&userAuth.tbName, pName, sizeof(SName));
  if (NULL == taosArrayPush(*pUserAuth, &userAuth)) {
    taosArrayDestroy(*pUserAuth);
    *pUserAuth = NULL;
    return terrno;
  }

  return TSDB_CODE_SUCCESS;
}

static int32_t buildInsertTableTagReq(SName* pName, SArray** pTables) { return buildInsertTableReq(pName, pTables); }

static int32_t buildInsertCatalogReq(SInsertParseContext* pCxt, SVnodeModifyOpStmt* pStmt, SCatalogReq* pCatalogReq) {
  int32_t code = buildInsertUserAuthReq(
      pCxt->pComCxt->pUser, (0 == pStmt->usingTableName.type ? &pStmt->targetTableName : &pStmt->usingTableName),
      &pCatalogReq->pUser);
  if (TSDB_CODE_SUCCESS == code && pCxt->needTableTagVal) {
    code = buildInsertTableTagReq(&pStmt->targetTableName, &pCatalogReq->pTableTag);
  }
  if (TSDB_CODE_SUCCESS == code) {
    if (0 == pStmt->usingTableName.type) {
      code = buildInsertDbReq(&pStmt->targetTableName, &pCatalogReq->pTableMeta);
    } else {
      code = buildInsertUsingDbReq(&pStmt->usingTableName, &pStmt->targetTableName, &pCatalogReq->pTableMeta);
    }
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = buildInsertDbReq(&pStmt->targetTableName, &pCatalogReq->pTableHash);
  }
  return code;
}

static int32_t setNextStageInfo(SInsertParseContext* pCxt, SQuery* pQuery, SCatalogReq* pCatalogReq) {
  SVnodeModifyOpStmt* pStmt = (SVnodeModifyOpStmt*)pQuery->pRoot;
  if (pCxt->missCache) {
    parserDebug("QID:0x%" PRIx64 ", %d rows of %d tables will be inserted before obtain the cache", pCxt->pComCxt->requestId,
                pStmt->totalRowsNum, pStmt->totalTbNum);

    pQuery->execStage = QUERY_EXEC_STAGE_PARSE;
    return buildInsertCatalogReq(pCxt, pStmt, pCatalogReq);
  }

  parserDebug("QID:0x%" PRIx64 ", %d rows of %d tables will be inserted", pCxt->pComCxt->requestId, pStmt->totalRowsNum,
              pStmt->totalTbNum);

  pQuery->execStage = QUERY_EXEC_STAGE_SCHEDULE;
  return TSDB_CODE_SUCCESS;
}

int32_t parseInsertSql(SParseContext* pCxt, SQuery** pQuery, SCatalogReq* pCatalogReq, const SMetaData* pMetaData) {
  SInsertParseContext context = {.pComCxt = pCxt,
                                 .msg = {.buf = pCxt->pMsg, .len = pCxt->msgLen},
                                 .missCache = false,
                                 .usingDuplicateTable = false,
                                 .needRequest = true,
                                 .forceUpdate = (NULL != pCatalogReq ? pCatalogReq->forceUpdate : false),
                                 .isStmtBind = pCxt->isStmtBind};

  int32_t code = initInsertQuery(&context, pCatalogReq, pMetaData, pQuery);
  if (TSDB_CODE_SUCCESS == code) {
    code = parseInsertSqlImpl(&context, (SVnodeModifyOpStmt*)((*pQuery)->pRoot));
  }

  if (TSDB_CODE_SUCCESS == code) {
    code = setNextStageInfo(&context, *pQuery, pCatalogReq);
  }
  if ((TSDB_CODE_SUCCESS == code || NEED_CLIENT_HANDLE_ERROR(code)) &&
      QUERY_EXEC_STAGE_SCHEDULE == (*pQuery)->execStage) {
    code = setRefreshMeta(*pQuery);
  }

  insDestroyBoundColInfo(&context.tags);
  // if no data to insert, set emptyMode to avoid request server
  if (!context.needRequest) {
    (*pQuery)->execMode = QUERY_EXEC_MODE_EMPTY_RESULT;
  }
  return code;
}

// CSV Parser Implementation
static int32_t csvParserInit(SCsvParser* parser, TdFilePtr pFile) {
  if (!parser || !pFile) {
    return TSDB_CODE_INVALID_PARA;
  }

  memset(parser, 0, sizeof(SCsvParser));

  // Set default CSV format
  parser->delimiter = CSV_DEFAULT_DELIMITER;
  parser->quote = CSV_QUOTE_SINGLE;  // Default to single quote for TDengine compatibility
  parser->escape = CSV_ESCAPE_CHAR;
  parser->allowNewlineInField = true;

  // Initialize buffer
  parser->bufferSize = 64 * 1024;  // 64KB buffer
  parser->buffer = taosMemoryMalloc(parser->bufferSize);
  if (!parser->buffer) {
    return terrno;
  }

  // Initialize line buffer for reuse
  parser->lineBufferCapacity = 64 * 1024;  // Initial 64KB line buffer
  parser->lineBuffer = taosMemoryMalloc(parser->lineBufferCapacity);
  if (!parser->lineBuffer) {
    return terrno;
  }

  parser->bufferPos = 0;
  parser->bufferLen = 0;
  parser->eof = false;
  parser->pFile = pFile;

  // Fill initial buffer to detect quote type
  int32_t code = csvParserFillBuffer(parser);
  if (code != TSDB_CODE_SUCCESS) {
    return code;
  }

  // Auto-detect quote character by finding the first quote in the file
  // Skip the header line and look for the first quote character in data
  bool foundFirstQuote = false;
  bool inFirstLine = true;
  
  for (size_t i = 0; i < parser->bufferLen && !foundFirstQuote; i++) {
    char ch = parser->buffer[i];
    
    // Skip the first line (header)
    if (inFirstLine) {
      if (ch == '\n') {
        inFirstLine = false;
      }
      continue;
    }
    
    // Look for the first quote character in data lines
    if (ch == CSV_QUOTE_SINGLE) {
      parser->quote = CSV_QUOTE_SINGLE;
      foundFirstQuote = true;
    } else if (ch == CSV_QUOTE_DOUBLE) {
      parser->quote = CSV_QUOTE_DOUBLE;
      foundFirstQuote = true;
    }
  }

  // If no quotes found, keep default (single quote for TDengine compatibility)
  
  // Reset buffer position for actual parsing
  parser->bufferPos = 0;

  return TSDB_CODE_SUCCESS;
}

static void csvParserDestroy(SCsvParser* parser) {
  if (parser) {
    taosMemoryFree(parser->buffer);
    taosMemoryFree(parser->lineBuffer);
    memset(parser, 0, sizeof(SCsvParser));
  }
}

static int32_t csvParserFillBuffer(SCsvParser* parser) {
  if (!parser || parser->eof) {
    return TSDB_CODE_SUCCESS;
  }

  // Move remaining data to beginning of buffer
  // Since this function is only called when bufferPos >= bufferLen,
  // we can simplify by always resetting the buffer
  parser->bufferLen = 0;
  parser->bufferPos = 0;

  // Read more data
  size_t spaceLeft = parser->bufferSize - parser->bufferLen;
  if (spaceLeft > 0) {
    int64_t bytesRead = taosReadFile(parser->pFile, parser->buffer + parser->bufferLen, spaceLeft);
    if (bytesRead < 0) {
      return TAOS_SYSTEM_ERROR(errno);
    }
    if (bytesRead == 0) {
      parser->eof = true;
    } else {
      parser->bufferLen += bytesRead;
    }
  }

  return TSDB_CODE_SUCCESS;
}

// Destroy saved CSV parser in SVnodeModifyOpStmt
static void destroySavedCsvParser(SVnodeModifyOpStmt* pStmt) {
  if (pStmt && pStmt->pCsvParser) {
    csvParserDestroy(pStmt->pCsvParser);
    taosMemoryFree(pStmt->pCsvParser);
    pStmt->pCsvParser = NULL;
  }
}

static int32_t csvParserExpandLineBuffer(SCsvParser* parser, size_t requiredLen) {
  if (!parser || requiredLen <= parser->lineBufferCapacity) {
    return TSDB_CODE_SUCCESS;
  }

  size_t newCapacity = parser->lineBufferCapacity;
  while (newCapacity < requiredLen) {
    newCapacity *= 2;
  }

  char* newLineBuffer = taosMemoryRealloc(parser->lineBuffer, newCapacity);
  if (!newLineBuffer) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  parser->lineBuffer = newLineBuffer;
  parser->lineBufferCapacity = newCapacity;
  return TSDB_CODE_SUCCESS;
}