sql generator - basic concept

packages/api/src/controllers/sqlgen.js

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+const databaseConnections = require('./databaseConnections');
+const connections = require('./connections');
+const requireEngineDriver = require('../utility/requireEngineDriver');
+const { SqlGenerator } = require('dbgate-tools')
+
+module.exports = {
+  preview_meta: {
+    method: 'post',
+  },
+  async preview({ conid, database, objects, options }) {
+    const structure = await databaseConnections.structure({ conid, database })
+    const connection = await connections.get({ conid })
+    const driver = requireEngineDriver(connection);
+    const dmp = driver.createDumper()
+    const generator = new SqlGenerator(structure, options, objects, dmp);
+    generator.dump();
+    return dmp.s;
+  },
+};