Connect MySQL and Google BigQuery in our serverless environment

class MysqlSourceSelect {
    async init() {
        // TODO: Create your mysql credential
        // More info at https://yepcode.io/docs/integrations/mysql/#credential-configuration
        this.mysql = yepcode.integration.mysql("your-mysql-credential-name");
    }

    async fetch(publish, done) {
        this.mysql
            // TODO: Customize your sql query
            .query(`SELECT * FROM your_table_name`)
            .stream()
            .on("data", async (row) => {
                // TODO: map your row to an item
                const item = {
                    ...row
                };

                await publish(item);
            })
            .on("error", console.error)
            .on("end", done);
    }

    async close() {
        await this.mysql.end();
    }
}

class GoogleBigqueryTargetInsert {
    async init() {
        // TODO: Create your google-bigquery credential
        // More info at https://yepcode.io/docs/integrations/google-bigquery/#credential-configuration
        const googleBigQuery = yepcode.integration.googleBigQuery(
            "your-google-bigquery-credential-name"
        );
        // TODO: Customize dataset and table names
        // See how to get dataset name: https://cloud.google.com/bigquery/docs/dataset-metadata#console
        this.table = await googleBigQuery
            .dataset("your-dataset")
            .table("your-table");
    }

    async consume(item) {
        // TODO: Map item to your bigquery table row
        await this.table.insert([item]);
    }

    async close() {}
}