engines moved to separate library

lib/engines/mssql/index.js

@@ -0,0 +1,56 @@
+const _ = require("lodash");
+const MsSqlAnalyser = require("./MsSqlAnalyser");
+const MsSqlDumper = require("./MsSqlDumper");
+
+/** @type {import('dbgate').SqlDialect} */
+const dialect = {
+  limitSelect: true,
+  quoteIdentifier(s) {
+    return `[${s}]`;
+  }
+};
+
+/** @type {import('dbgate').EngineDriver} */
+const driver = {
+  async connect({ mssql }, { server, port, user, password, database }) {
+    const pool = await mssql.connect({
+      server,
+      port,
+      user,
+      password,
+      database
+    });
+    return pool;
+  },
+  async query(pool, sql) {
+    const resp = await pool.request().query(sql);
+    // console.log(Object.keys(resp.recordset));
+    const columns = _.sortBy(_.values(resp.recordset.columns), "index");
+    return { rows: resp.recordset, columns };
+  },
+  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
+};
+
+module.exports = driver;