Initial commit

node_modules/knex/lib/dialects/mysql2/index.js

@@ -0,0 +1,53 @@
+// MySQL2 Client
+// -------
+const Client_MySQL = require('../mysql');
+const Transaction = require('./transaction');
+
+// Always initialize with the "QueryBuilder" and "QueryCompiler"
+// objects, which extend the base 'lib/query/builder' and
+// 'lib/query/compiler', respectively.
+class Client_MySQL2 extends Client_MySQL {
+  transaction() {
+    return new Transaction(this, ...arguments);
+  }
+
+  _driver() {
+    return require('mysql2');
+  }
+
+  initializeDriver() {
+    try {
+      this.driver = this._driver();
+    } catch (e) {
+      let message = `Knex: run\n$ npm install ${this.driverName}`;
+
+      const nodeMajorVersion = process.version.replace(/^v/, '').split('.')[0];
+      if (nodeMajorVersion <= 12) {
+        message += `@3.2.0`;
+        this.logger.error(
+          'Mysql2 version 3.2.0 is the latest version to support Node.js 12 or lower.'
+        );
+      }
+      message += ` --save`;
+      this.logger.error(`${message}\n${e.message}\n${e.stack}`);
+      throw new Error(`${message}\n${e.message}`);
+    }
+  }
+
+  validateConnection(connection) {
+    return (
+      connection &&
+      !connection._fatalError &&
+      !connection._protocolError &&
+      !connection._closing &&
+      !connection.stream.destroyed
+    );
+  }
+}
+
+Object.assign(Client_MySQL2.prototype, {
+  // The "dialect", for reference elsewhere.
+  driverName: 'mysql2',
+});
+
+module.exports = Client_MySQL2;