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https://github.com/taosdata/TDengine
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11ae60e03b
* node async query example * node async query example * add node.js example * add node.js stmt examples * add node examples
38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
const taos = require("td2.0-connector");
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const conn = taos.connect({
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host: "localhost",
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});
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const cursor = conn.cursor();
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function createDatabase() {
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cursor.execute("CREATE DATABASE test");
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cursor.execute("USE test");
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}
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function insertData() {
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const lines = [
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"meters.current 1648432611249 10.3 location=Beijing.Chaoyang groupid=2",
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"meters.current 1648432611250 12.6 location=Beijing.Chaoyang groupid=2",
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"meters.current 1648432611249 10.8 location=Beijing.Haidian groupid=3",
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"meters.current 1648432611250 11.3 location=Beijing.Haidian groupid=3",
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"meters.voltage 1648432611249 219 location=Beijing.Chaoyang groupid=2",
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"meters.voltage 1648432611250 218 location=Beijing.Chaoyang groupid=2",
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"meters.voltage 1648432611249 221 location=Beijing.Haidian groupid=3",
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"meters.voltage 1648432611250 217 location=Beijing.Haidian groupid=3",
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];
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cursor.schemalessInsert(
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lines,
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taos.SCHEMALESS_PROTOCOL.TSDB_SML_TELNET_PROTOCOL,
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taos.SCHEMALESS_PRECISION.TSDB_SML_TIMESTAMP_NOT_CONFIGURED
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);
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}
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try {
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createDatabase();
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insertData();
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} finally {
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// cursor.close(); // 此处抛异常
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conn.close();
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}
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