Files
dbgate/packages/engines/mssql/index.js
2020-03-24 19:47:53 +01:00

69 lines
1.7 KiB
JavaScript

const _ = require('lodash');
const MsSqlAnalyser = require('./MsSqlAnalyser');
const MsSqlDumper = require('./MsSqlDumper');
/** @type {import('@dbgate/types').SqlDialect} */
const dialect = {
limitSelect: true,
rangeSelect: true,
offsetFetchRangeSyntax: true,
stringEscapeChar: "'",
quoteIdentifier(s) {
return `[${s}]`;
},
};
/** @type {import('@dbgate/types').EngineDriver} */
const driver = {
async connect(nativeModules, { server, port, user, password, database }) {
const pool = await nativeModules.mssql.connect({
server,
port,
user,
password,
database,
options: {
enableArithAbort: true,
},
});
pool._nativeModules = nativeModules;
return pool;
},
async query(pool, sql) {
const resp = await pool.request().query(sql);
// console.log(Object.keys(resp.recordset));
// console.log(resp);
const res = {};
if (resp.recordset) {
res.columns = _.sortBy(_.values(resp.recordset.columns), 'index');
res.rows = resp.recordset;
}
if (resp.rowsAffected) {
res.rowsAffected = _.sum(resp.rowsAffected);
}
return res;
},
async getVersion(pool) {
const { version } = (await this.query(pool, 'SELECT @@VERSION AS version')).rows[0];
return { version };
},
async listDatabases(pool) {
const { rows } = await this.query(pool, 'SELECT name FROM sys.databases order by name');
return rows;
},
async analyseFull(pool) {
const analyser = new MsSqlAnalyser(pool, this);
await analyser.runAnalysis();
return analyser.result;
},
// async analyseIncremental(pool) {},
createDumper() {
return new MsSqlDumper(this);
},
dialect,
engine: 'mssql',
};
module.exports = driver;