TDengine/source/dnode/vnode/src/meta/metaTable.c
2022-04-21 13:22:34 +00:00

101 lines
2.3 KiB
C

/*
* 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 "vnodeInt.h"
int metaCreateSTable(SMeta *pMeta, SVCreateStbReq *pReq, SVCreateStbRsp *pRsp) {
SSkmDbKey skmDbKey = {0};
SMetaEntry me = {0};
int kLen;
int vLen;
const void *pKey;
const void *pVal;
// check name and uid unique
// set structs
me.type = TSDB_SUPER_TABLE;
me.uid = pReq->suid;
me.name = pReq->name;
me.stbEntry.nCols = pReq->nCols;
me.stbEntry.sver = pReq->sver;
me.stbEntry.pSchema = pReq->pSchema;
me.stbEntry.nTags = pReq->nTags;
me.stbEntry.pSchemaTg = pReq->pSchemaTg;
skmDbKey.uid = pReq->suid;
skmDbKey.sver = 0; // (TODO)
// save to table.db (TODO)
pKey = NULL;
kLen = 0;
pVal = NULL;
vLen = 0;
if (tdbDbInsert(pMeta->pTbDb, pKey, kLen, pVal, vLen, NULL) < 0) {
return -1;
}
// save to schema.db
pKey = &skmDbKey;
kLen = sizeof(skmDbKey);
pVal = NULL;
vLen = 0;
if (tdbDbInsert(pMeta->pSkmDb, pKey, kLen, pVal, vLen, NULL) < 0) {
return -1;
}
// update name.idx
pKey = pReq->name;
kLen = strlen(pReq->name) + 1;
pVal = &pReq->suid;
vLen = sizeof(tb_uid_t);
if (tdbDbInsert(pMeta->pNameIdx, pKey, kLen, pVal, vLen, NULL) < 0) {
return -1;
}
return 0;
}
int metaCreateTable(SMeta *pMeta, STbCfg *pTbCfg) {
#if 0
if (metaSaveTableToDB(pMeta, pTbCfg) < 0) {
// TODO: handle error
return -1;
}
if (metaSaveTableToIdx(pMeta, pTbCfg) < 0) {
// TODO: handle error
return -1;
}
#endif
return 0;
}
int metaDropTable(SMeta *pMeta, tb_uid_t uid) {
#if 0
if (metaRemoveTableFromIdx(pMeta, uid) < 0) {
// TODO: handle error
return -1;
}
if (metaRemoveTableFromIdx(pMeta, uid) < 0) {
// TODO
return -1;
}
#endif
return 0;
}