added plugins

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

@@ -0,0 +1,68 @@
+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('^year(%c)', dumpExpr);
+        break;
+      case 'MONTH':
+        this.put('^month(%c)', dumpExpr);
+        break;
+      case 'DAY':
+        this.put('^day(%c)', dumpExpr);
+        break;
+      case 'GROUP:MONTH':
+        this.put("^date_format(%c, '%s')", dumpExpr, '%Y-%m');
+        break;
+      case 'GROUP:DAY':
+        this.put("^date_format(%c, '%s')", dumpExpr, '%Y-%m-%d');
+        break;
+      default:
+        dumpExpr();
+        break;
+    }
+  }
+
+  renameTable(obj, newName) {
+    this.putCmd('^rename ^table %f ^to %i', obj, newName);
+  }
+
+  changeColumn(oldcol, newcol, constraints) {
+    this.put('^alter ^table %f ^change ^column %i %i ', oldcol, oldcol.columnName, newcol.columnName);
+    this.columnDefinition(newcol, true, true, true);
+    this.inlineConstraints(constraints);
+    this.endCommand();
+  }
+
+  renameColumn(column, newcol) {
+    this.changeColumn(
+      column,
+      {
+        ...column,
+        columnName: newcol,
+      },
+      []
+    );
+  }
+
+  enableConstraints(table, enabled) {
+    this.putCmd('^set FOREIGN_KEY_CHECKS = %s', enabled ? '1' : '0');
+  }
+
+  comment(value) {
+    this.put('/* %s */', value);
+  }
+
+  beginTransaction() {
+    this.putCmd('^start ^transaction');
+  }
+
+  selectTableIntoNewTable(sourceName, targetName) {
+    this.putCmd('^create ^table %f (^select * ^from %f)', targetName, sourceName);
+  }
+}
+
+module.exports = Dumper;