export CSV from mysql test

packages/api/src/shell/queryReader.js

@@ -0,0 +1,14 @@
+const driverConnect = require('../utility/driverConnect');
+
+const engines = require('@dbgate/engines');
+
+async function queryReader({ connection, sql }) {
+  console.log(`Reading query ${sql}`);
+
+  const driver = engines(connection);
+  const pool = await driverConnect(driver, connection);
+  console.log(`Connected.`);
+  return driver.readableStream(pool, sql);
+}
+
+module.exports = queryReader;