Connect Elasticsearch and Google BigQuery in our serverless environment

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

    async fetch(publish, done) {
        // TODO: customize your query
        const sql = "SELECT * FROM your_table_name";

        const result = await this.elasticsearch.sql.query({
            query: sql,
        });

        result.rows.map((row) => {
            const item = {};
            for (let i = 0; i < row.length; i++) {
                item[result.columns[i].name] = row[i];
            }
            publish(item);
        });
        done();
    }

    async close() {}
}

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
        this.table.insert([item]);
    }

    async close() {}
}