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ALTER SEQUENCE IF EXISTS
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
A popular subclause of DDL statements that jOOQ can usually emulate, is the IF EXISTS clause:
// Renaming the schema
create.alterSequenceIfExists("old_sequence").renameTo("new_sequence").execute();
Dialect support
This example using jOOQ:
alterSequenceIfExists("s").renameTo("t")
Translates to the following dialect specific expressions:
Aurora Postgres, Postgres, Snowflake
ALTER SEQUENCE IF EXISTS s RENAME TO t
MariaDB
ALTER TABLE s RENAME TO t
Oracle
BEGIN
EXECUTE IMMEDIATE '
RENAME s TO t
';
EXCEPTION
WHEN others THEN
IF sqlerrm LIKE 'ORA-04043%' THEN NULL;
ELSE RAISE;
END IF;
END;
ASE, Access, Aurora MySQL, BigQuery, ClickHouse, CockroachDB, DB2, Derby, DuckDB, Exasol, Firebird, H2, HSQLDB, Hana, Informix, MemSQL, MySQL, Redshift, SQLDataWarehouse, SQLServer, SQLite, Sybase, Teradata, Trino, Vertica, YugabyteDB
/* UNSUPPORTED */
Generated with jOOQ 3.20. Translate your own SQL on our website
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