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DROP PROCEDURE IF EXISTS

Applies to ✅ Open Source Edition   ✅ Express Edition   ✅ Professional Edition   ✅ Enterprise Edition

For idempotent execution of DDL scripts, the useful IF EXISTS clause is supported by jOOQ, and emulated using an anonymous, procedural block if possible.

// Drop a procedure
create.dropProcedureIfExists("procedure").execute();

Dialect support

This example using jOOQ:

dropProcedureIfExists("procedure")

Translates to the following dialect specific expressions:

BigQuery, HSQLDB, Informix, MariaDB, MySQL, Oracle, Postgres, SQLServer, YugabyteDB

DROP PROCEDURE IF EXISTS procedure

DB2

BEGIN
  DECLARE CONTINUE HANDLER FOR SQLSTATE '42704' BEGIN END;
  EXECUTE IMMEDIATE '
    DROP PROCEDURE procedure
  ';
END

Firebird

EXECUTE BLOCK
AS
BEGIN
  EXECUTE STATEMENT '
    DROP PROCEDURE procedure
  ';
  WHEN sqlcode -607 DO
    BEGIN END
END

ASE, Access, Aurora MySQL, Aurora Postgres, ClickHouse, CockroachDB, Derby, DuckDB, Exasol, H2, Hana, MemSQL, Redshift, SQLDataWarehouse, SQLite, Snowflake, Sybase, Teradata, Trino, Vertica

/* UNSUPPORTED */
Generated with jOOQ 3.20. Translate your own SQL on our website

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