Documentation function writes data to an SQL database.

Function type signature
    <-tables: stream[A],
    dataSourceName: string,
    driverName: string,
    table: string,
    ?batchSize: int,
) => stream[A]

For more information, see Function type signatures.



(Required) Driver used to connect to the SQL database.

Supported drivers:

  • bigquery
  • hdb
  • mysql
  • postgres
  • snowflake
  • sqlite3 (Does not work with InfluxDB OSS or InfluxDB Cloud)
  • sqlserver
  • vertica, vertigo


(Required) Data source name (DNS) or connection string used to connect to the SQL database.


(Required) Destination table.


Number of parameters or columns that can be queued within each call to Exec. Default is 10000.

If writing to SQLite database, set the batchSize to 999 or less.


Input data. Default is piped-forward data (<-).

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The future of Flux

Flux is going into maintenance mode. You can continue using it as you currently are without any changes to your code.

Flux is going into maintenance mode and will not be supported in InfluxDB 3.0. This was a decision based on the broad demand for SQL and the continued growth and adoption of InfluxQL. We are continuing to support Flux for users in 1.x and 2.x so you can continue using it with no changes to your code. If you are interested in transitioning to InfluxDB 3.0 and want to future-proof your code, we suggest using InfluxQL.

For information about the future of Flux, see the following: