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Connect Clickhouse and CouchDB in our serverless environment

Use this template to Read rows from Clickhouse table using them to insert documents into CouchDB collection.

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Read rows from Clickhouse table

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

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

        const resultSet = await this.clickhouse.query({
            query: sql,
            format: "CSV",
        });
        const stream = resultSet.stream();
        stream.on("data", (rows) => {
            rows.forEach(publish);
        });
        stream.on("end", done);
    }

    async close() {
        await this.clickhouse.close();
    }
}

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Insert documents into CouchDB collection

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

    async consume(item) {
        // TODO: Customize your database name
        await this.couchdb.use("your-db-name").insert(item);
    }

    async close() {}
}

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