66 lines
1.4 KiB
JavaScript
66 lines
1.4 KiB
JavaScript
const mysql = require("mysql");
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const metamgr = require("./metamgr");
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let pool = null;
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function execQuery(sql, params) {
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if (!pool) {
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pool = mysql.createPool({
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host : metamgr.getMysqlConf()['host'],
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user : metamgr.getMysqlConf()['user'],
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password : metamgr.getMysqlConf()['passwd'],
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database : metamgr.getMysqlConf()['database'],
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stringifyObjects : true
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});
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}
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return new Promise((resolve) => {
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let ret = {
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err: null,
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rows: null,
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};
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pool.getConnection(function(err, conn) {
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if (err) {
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try {
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ret.err = err;
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resolve(ret);
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} finally {
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conn.release();
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}
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} else {
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conn.query(sql, params, (err, rows) => {
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try {
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if (err) {
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ret.err = err;
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resolve(ret);
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} else {
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ret.err = err;
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ret.rows = rows;
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resolve(ret);
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}
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} finally {
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conn.release();
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}
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});
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}
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});
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});
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}
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async function execOneQuery(sql, params) {
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let {err, rows} = await execQuery(sql, params);
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return {
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'err': err,
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'row': rows.length > 0 ? rows[0] : null
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};
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}
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async function execScript(sql, params) {
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let {err, rows} = await execQuery(sql, params);
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return err;
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}
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exports.execQuery = execQuery;
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exports.execOneQuery = execOneQuery;
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exports.execScript = execScript;
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