DROP SYNONYM 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 synonym
create.dropSynonymIfExists("sequence").execute();
Dialect support
This example using jOOQ:
dropSynonymIfExists("sequence")
Translates to the following dialect specific expressions:
DB2
BEGIN
DECLARE CONTINUE HANDLER FOR SQLSTATE '42704' BEGIN END;
EXECUTE IMMEDIATE '
DROP ALIAS sequence
';
END
H2, HSQLDB, Informix, Oracle, SQLServer
DROP SYNONYM IF EXISTS sequence
Hana
DO BEGIN
DECLARE EXIT HANDLER FOR SQL_ERROR_CODE 315 BEGIN END;
EXECUTE IMMEDIATE '
DROP SYNONYM sequence
';
END;
ASE, Access, Aurora MySQL, Aurora Postgres, BigQuery, ClickHouse, CockroachDB, Databricks, Derby, DuckDB, Exasol, Firebird, MariaDB, MemSQL, MySQL, Postgres, Redshift, SQLDataWarehouse, SQLite, Snowflake, Sybase, Teradata, Trino, Vertica, YugabyteDB
/* UNSUPPORTED */
Generated with jOOQ 3.21. Translate your own SQL on our website
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