driver plugins supports more drivers. Added derived drivers for MariaDB, CockroachDB, Amazon Redshift

plugins/dbgate-plugin-postgres/src/frontend/drivers.js

@@ -0,0 +1,47 @@
+const { driverBase } = require('dbgate-tools');
+const Dumper = require('./Dumper');
+
+/** @type {import('dbgate-types').SqlDialect} */
+const dialect = {
+  rangeSelect: true,
+  // stringEscapeChar: '\\',
+  stringEscapeChar: "'",
+  fallbackDataType: 'varchar',
+  anonymousPrimaryKey: true,
+  enableConstraintsPerTable: true,
+  quoteIdentifier(s) {
+    return '"' + s + '"';
+  },
+};
+
+/** @type {import('dbgate-types').EngineDriver} */
+const postgresDriver = {
+  ...driverBase,
+  dumperClass: Dumper,
+  dialect,
+  engine: 'postgres@dbgate-plugin-postgres',
+  title: 'Postgre SQL',
+  defaultPort: 5432,
+};
+
+/** @type {import('dbgate-types').EngineDriver} */
+const cockroachDriver = {
+  ...driverBase,
+  dumperClass: Dumper,
+  dialect,
+  engine: 'cockroach@dbgate-plugin-postgres',
+  title: 'CockroachDB',
+  defaultPort: 26257,
+};
+
+/** @type {import('dbgate-types').EngineDriver} */
+const redshiftDriver = {
+  ...driverBase,
+  dumperClass: Dumper,
+  dialect,
+  engine: 'red@dbgate-plugin-postgres',
+  title: 'Amazon Redshift',
+  defaultPort: 5432,
+};
+
+module.exports = [postgresDriver, cockroachDriver, redshiftDriver];