driver commons refactor, default bulkinserter for mysql and postgres

packages/engines/mssql/createBulkInsertStream.js

@@ -1,5 +1,3 @@
-const { prepareTableForImport } = require('@dbgate/tools');
-const _ = require('lodash');
 const createBulkInsertStreamBase = require('../default/createBulkInsertStreamBase');
 
 /**
@@ -12,6 +10,15 @@ function createBulkInsertStream(driver, mssql, stream, pool, name, options) {
   const fullName = name.schemaName ? `[${name.schemaName}].[${name.pureName}]` : name.pureName;
 
   writable.send = async () => {
+    if (!writable.templateColumns) {
+      const fullNameQuoted = name.schemaName
+        ? `${driver.dialect.quoteIdentifier(name.schemaName)}.${driver.dialect.quoteIdentifier(name.pureName)}`
+        : driver.dialect.quoteIdentifier(name.pureName);
+
+      const respTemplate = await pool.request().query(`SELECT * FROM ${fullNameQuoted} WHERE 1=0`);
+      writable.templateColumns = respTemplate.recordset.toTable().columns;
+    }
+
     const rows = writable.buffer;
     writable.buffer = [];
     const table = new mssql.Table(fullName);

packages/engines/mssql/index.js

@@ -2,7 +2,7 @@ const _ = require('lodash');
 const MsSqlAnalyser = require('./MsSqlAnalyser');
 const MsSqlDumper = require('./MsSqlDumper');
 const createBulkInsertStream = require('./createBulkInsertStream');
-const { analyseSingleObject } = require('../mysql');
+const driverBase = require('../default/driverBase');
 
 /** @type {import('@dbgate/types').SqlDialect} */
 const dialect = {
@@ -53,6 +53,9 @@ function extractColumns(columns) {
 
 /** @type {import('@dbgate/types').EngineDriver} */
 const driver = {
+  ...driverBase,
+  analyserClass: MsSqlAnalyser,
+  dumperClass: MsSqlDumper,
   async connect(nativeModules, { server, port, user, password, database }) {
     const pool = new nativeModules.mssql.ConnectionPool({
       server,
@@ -200,27 +203,6 @@ const driver = {
     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);
-    return analyser.fullAnalysis();
-  },
-  async analyseSingleObject(pool, name, typeField = 'tables') {
-    const analyser = new MsSqlAnalyser(pool, this);
-    analyser.singleObjectFilter = { ...name, typeField };
-    const res = await analyser.fullAnalysis();
-    return res.tables[0];
-  },
-  // @ts-ignore
-  analyseSingleTable(pool, name) {
-    return this.analyseSingleObject(pool, name, 'tables');
-  },
-  async analyseIncremental(pool, structure) {
-    const analyser = new MsSqlAnalyser(pool, this);
-    return analyser.incrementalAnalysis(structure);
-  },
-  createDumper() {
-    return new MsSqlDumper(this);
-  },
   dialect,
   engine: 'mssql',
 };