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ALTER VIEW 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:
Dialect support
This example using jOOQ:
alterViewIfExists("v").renameTo("new_name")
Translates to the following dialect specific expressions:
Aurora Postgres, CockroachDB, Databricks, DuckDB, H2, Postgres
ALTER VIEW IF EXISTS v RENAME TO new_name
Oracle
BEGIN
EXECUTE IMMEDIATE '
RENAME v TO new_name
';
EXCEPTION
WHEN others THEN
IF sqlerrm LIKE 'ORA-00942%' THEN NULL;
ELSIF sqlerrm LIKE 'ORA-04043%' THEN NULL;
ELSE RAISE;
END IF;
END;
Snowflake
ALTER VIEW v RENAME TO new_name
SQLServer
BEGIN TRY EXEC sp_rename v, new_name END TRY BEGIN CATCH IF error_number() != 15225 THROW; END CATCH
YugabyteDB
ALTER TABLE IF EXISTS v RENAME TO new_name
ASE, Access, Aurora MySQL, BigQuery, ClickHouse, DB2, Derby, Exasol, Firebird, HSQLDB, Hana, Informix, MariaDB, MemSQL, MySQL, 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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