added plugins

plugins/dbgate-plugin-mssql/src/backend/createNativeBulkInsertStream.js

@@ -0,0 +1,34 @@
+const { createBulkInsertStreamBase } = require('dbgate-tools');
+
+function runBulkInsertBatch(pool, tableName, writable, rows) {
+  return new Promise((resolve, reject) => {
+    const tableMgr = pool.tableMgr();
+    tableMgr.bind(tableName, bulkMgr => {
+      bulkMgr.insertRows(rows, err => {
+        if (err) reject(err);
+        resolve();
+      });
+    });
+  });
+}
+
+/**
+ *
+ * @param {import('dbgate-types').EngineDriver} driver
+ */
+function createNativeBulkInsertStream(driver, stream, pool, name, options) {
+  const writable = createBulkInsertStreamBase(driver, stream, pool, name, options);
+
+  const fullName = name.schemaName ? `[${name.schemaName}].[${name.pureName}]` : name.pureName;
+
+  writable.send = async () => {
+    const rows = writable.buffer;
+    writable.buffer = [];
+
+    await runBulkInsertBatch(pool, fullName, writable, rows);
+  };
+
+  return writable;
+}
+
+module.exports = createNativeBulkInsertStream;