added plugins

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

@@ -0,0 +1,66 @@
+const { SqlDumper } = require('dbgate-tools');
+
+class Dumper extends SqlDumper {
+  /** @param type {import('dbgate-types').TransformType} */
+  transform(type, dumpExpr) {
+    switch (type) {
+      case 'GROUP:YEAR':
+      case 'YEAR':
+        this.put('^extract(^year ^from %c)', dumpExpr);
+        break;
+      case 'MONTH':
+        this.put('^extract(^month ^from %c)', dumpExpr);
+        break;
+      case 'DAY':
+        this.put('^extract(^day ^from %c)', dumpExpr);
+        break;
+      case 'GROUP:MONTH':
+        this.put("^to_char(%c, '%s')", dumpExpr, 'YYYY-MM');
+        break;
+      case 'GROUP:DAY':
+        this.put("^to_char(%c, '%s')", dumpExpr, 'YYYY-MM-DD');
+        break;
+      default:
+        dumpExpr();
+        break;
+    }
+  }
+
+  dropRecreatedTempTable(tmptable) {
+    this.putCmd('^drop ^table %i ^cascade', tmptable);
+  }
+
+  renameTable(obj, newname) {
+    this.putCmd('^alter ^table %f ^rename ^to %i', obj, newname);
+  }
+
+  renameColumn(column, newcol) {
+    this.putCmd('^alter ^table %f ^rename ^column %i ^to %i', column, column.columnName, newcol);
+  }
+
+  dropTable(obj, options = {}) {
+    this.put('^drop ^table');
+    if (options.testIfExists) this.put(' ^if ^exists');
+    this.put(' %f', obj.FullName);
+    this.endCommand();
+  }
+
+  //public override void CreateIndex(IndexInfo ix)
+  //{
+  //}
+
+  enableConstraints(table, enabled) {
+    this.putCmd('^alter ^table %f %k ^trigger ^all', table, enabled ? 'enable' : 'disable');
+  }
+
+  columnDefinition(col, options) {
+    const { autoIncrement } = options || {};
+    if (col.autoIncrement) {
+      this.put('^serial');
+      return;
+    }
+    super.columnDefinition(col, options);
+  }
+}
+
+module.exports = Dumper;

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

@@ -0,0 +1,27 @@
+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 driver = {
+  ...driverBase,
+  dumperClass: Dumper,
+  dialect,
+  engine: 'postgres@dbgate-plugin-postgres',
+  title: 'Postgre SQL',
+  defaultPort: 5432,
+};
+
+module.exports = driver;

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

@@ -0,0 +1,6 @@
+import driver from './driver';
+
+export default {
+  packageName: 'dbgate-plugin-postgres',
+  driver,
+};