Apache Flink SubmitSql

Apache Flink SubmitSql

Certified

Execute SQL via Flink SQL Gateway

Runs a SQL statement through the Flink SQL Gateway without uploading a JAR. Respects session settings and waits until the operation reaches a terminal state.

yaml
type: io.kestra.plugin.flink.SubmitSql

Execute a streaming SQL query

yaml
id: flink-sql-streaming
namespace: company.team

tasks:
  - id: run-sql
    type: io.kestra.plugin.flink.SubmitSql
    gatewayUrl: "http://flink-sql-gateway:8083"
    statement: |
      INSERT INTO enriched_orders
      SELECT o.order_id, o.customer_id, c.name, o.amount, o.order_time
      FROM orders o
      JOIN customers c ON o.customer_id = c.id
    sessionConfig:
      catalog: "default_catalog"
      database: "default_database"
      configuration:
        execution.runtime-mode: "streaming"
        execution.checkpointing.interval: "30s"

Execute a batch SQL query

yaml
id: flink-sql-batch
namespace: company.team

tasks:
  - id: run-batch-sql
    type: io.kestra.plugin.flink.SubmitSql
    gatewayUrl: "http://flink-sql-gateway:8083"
    statement: |
      CREATE TABLE daily_summary AS
      SELECT DATE(order_time) as order_date,
             COUNT(*) as order_count,
             SUM(amount) as total_amount
      FROM orders
      WHERE order_time >= '2024-01-01'
      GROUP BY DATE(order_time)
    sessionConfig:
      configuration:
        execution.runtime-mode: "batch"
Properties

SQL Gateway URL

Base URL of the Flink SQL Gateway (e.g., http://flink-sql-gateway: 8083).

SQL statement

SQL statement to execute; supports DDL and DML.

SubTypestring

Acceptable terminal states

Operation states treated as success. For streaming include RUNNING to keep the session open. Defaults to ['FINISHED', 'RUNNING'].

Default30

Connection timeout

Connection timeout in seconds; defaults to 30.

Session configuration

Session options such as catalog, database, and configuration properties applied before execution.

Definitions
catalogstring
configurationobject
SubTypestring
databasestring

Session name

Optional session name; a temporary session is created when omitted.

Default300

Statement timeout

Execution timeout in seconds for the SQL statement; defaults to 300.

Operation handle

Unique identifier for the executed SQL operation.

Result count

Number of rows affected or returned; -1 when the gateway does not provide it.

Session handle

Identifier for the SQL Gateway session used.

Operation status

Final status reported by the SQL Gateway.

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