first commit

packages/nodes-base/nodes/MySql/v1/GenericFunctions.ts

@@ -0,0 +1,51 @@
+import mysql2 from 'mysql2/promise';
+import type {
+	ICredentialDataDecryptedObject,
+	IDataObject,
+	ILoadOptionsFunctions,
+	INodeListSearchResult,
+} from 'n8n-workflow';
+
+export async function createConnection(
+	credentials: ICredentialDataDecryptedObject,
+): Promise<mysql2.Connection> {
+	const { ssl, caCertificate, clientCertificate, clientPrivateKey, ...baseCredentials } =
+		credentials;
+
+	if (ssl) {
+		baseCredentials.ssl = {};
+
+		if (caCertificate) {
+			baseCredentials.ssl.ca = caCertificate;
+		}
+
+		if (clientCertificate || clientPrivateKey) {
+			baseCredentials.ssl.cert = clientCertificate;
+			baseCredentials.ssl.key = clientPrivateKey;
+		}
+	}
+
+	return await mysql2.createConnection(baseCredentials);
+}
+
+export async function searchTables(
+	this: ILoadOptionsFunctions,
+	tableName?: string,
+): Promise<INodeListSearchResult> {
+	const credentials = await this.getCredentials('mySql');
+	const connection = await createConnection(credentials);
+	const sql = `SELECT table_name
+FROM   information_schema.tables
+WHERE  table_schema = ?
+AND table_name LIKE ?
+ORDER  BY table_name`;
+
+	const values = [credentials.database, `%${tableName ?? ''}%`];
+	const [rows] = await connection.query(sql, values);
+	const results = (rows as IDataObject[]).map((table) => ({
+		name: (table.table_name as string) || (table.TABLE_NAME as string),
+		value: (table.table_name as string) || (table.TABLE_NAME as string),
+	}));
+	await connection.end();
+	return { results };
+}