generate update script

packages/sqltree/src/utility.ts

@@ -0,0 +1,18 @@
+import { EngineDriver, SqlDumper } from '@dbgate/types';
+import { Command } from './types';
+import { dumpSqlCommand } from './dumpSqlCommand';
+
+export function treeToSql<T>(driver: EngineDriver, object: T, func: (dmp: SqlDumper, obj: T) => void) {
+  const dmp = driver.createDumper();
+  func(dmp, object);
+  return dmp.s;
+}
+
+export function scriptToSql(driver: EngineDriver, script: Command[]): string {
+  const dmp = driver.createDumper();
+  for (const cmd of script) {
+    dumpSqlCommand(dmp, cmd);
+    dmp.endCommand();
+  }
+  return dmp.s;
+}