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
Snowflake
DROP PROCEDURE IF EXISTS procedure()
ASE, Access, Aurora MySQL, Aurora Postgres, ClickHouse, CockroachDB, Databricks, Derby, DuckDB, Exasol, H2, Hana, MemSQL, Redshift, SQLDataWarehouse, SQLite, Sybase, Teradata, Trino, Vertica
/* UNSUPPORTED */
Generated with jOOQ 3.21. Support in older jOOQ versions may differ. Translate your own SQL on our website
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