second dialect for tests

lib/dialects/postgres/index.js

@@ -9,10 +9,12 @@ const DataTypes = require('../../data-types').postgres;
 const { PostgresQueryInterface } = require('./query-interface');
 
 class PostgresDialect extends AbstractDialect {
-  constructor(sequelize) {
+  constructor(sequelize, skipConnection = false) {
     super();
     this.sequelize = sequelize;
-    this.connectionManager = new ConnectionManager(this, sequelize);
+    if (!skipConnection) {
+      this.connectionManager = new ConnectionManager(this, sequelize);
+    }
     this.queryGenerator = new QueryGenerator({
       _dialect: this,
       sequelize

lib/model.js

@@ -55,6 +55,10 @@ class Model {
     return this.sequelize.getQueryInterface();
   }
 
+  static get queryInterface2() {
+    return this.sequelize.getQueryInterface2();
+  }
+
   static get queryGenerator() {
     return this.queryInterface.queryGenerator;
   }
@@ -1751,9 +1755,10 @@ class Model {
       await this.runHooks('beforeFindAfterOptions', options);
     }
     const selectOptions = { ...options, tableNames: Object.keys(tableNames) };
-    const results = await this.queryInterface.select(this, this.getTableName(selectOptions), selectOptions);
+    const tableName = this.getTableName(selectOptions);
+    const results = await this.queryInterface.select(this, tableName, selectOptions);
     if (options.hooks) {
-      await this.runHooks('afterFind', results, options);
+      await this.runHooks('afterFind', results, {...options, tableName });
     }
 
     //rejectOnEmpty mode

lib/sequelize.js

@@ -322,6 +322,7 @@ class Sequelize {
     };
 
     let Dialect;
+    let Dialect2;
     // Requiring the dialect in a switch-case to keep the
     // require calls static. (Browserify fix)
     switch (this.getDialect()) {
@@ -339,6 +340,7 @@ class Sequelize {
         break;
       case 'sqlite':
         Dialect = require('./dialects/sqlite');
+        Dialect2 = require('./dialects/postgres');
         break;
       default:
         throw new Error(`The dialect ${this.getDialect()} is not supported. Supported dialects: mssql, mariadb, mysql, postgres, and sqlite.`);
@@ -347,6 +349,9 @@ class Sequelize {
     this.dialect = new Dialect(this);
     this.dialect.queryGenerator.typeValidation = options.typeValidation;
 
+    if (Dialect2) {
+      this.dialect2 = new Dialect2(this, true);
+    }
     if (_.isPlainObject(this.options.operatorsAliases)) {
       deprecations.noStringOperators();
       this.dialect.queryGenerator.setOperatorsAliases(this.options.operatorsAliases);
@@ -355,6 +360,9 @@ class Sequelize {
     }
 
     this.queryInterface = this.dialect.queryInterface;
+    if (this.dialect2) {
+      this.queryInterface2 = this.dialect2.queryInterface;
+    }
 
     /**
      * Models are stored here under the name given to `sequelize.define`
@@ -402,6 +410,10 @@ class Sequelize {
     return this.queryInterface;
   }
 
+  getQueryInterface2() {
+    return this.queryInterface2;
+  }
+
   /**
    * Define a new model, representing a table in the database.
    *