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DROP VIEW 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.
// Drop a view
create.dropViewIfExists("view").execute();
Dialect support
This example using jOOQ:
dropViewIfExists("v")
Translates to the following dialect specific expressions:
Access
DROP VIEW v
Aurora MySQL, Aurora Postgres, BigQuery, ClickHouse, CockroachDB, Databricks, DuckDB, Exasol, H2, HSQLDB, Informix, MariaDB, MemSQL, MySQL, Oracle, Postgres, SQLite, Sybase, Trino, Vertica, YugabyteDB
DROP VIEW IF EXISTS v
DB2
BEGIN
DECLARE CONTINUE HANDLER FOR SQLSTATE '42704' BEGIN END;
EXECUTE IMMEDIATE '
DROP VIEW v
';
END
Firebird
EXECUTE BLOCK
AS
BEGIN
EXECUTE STATEMENT '
DROP VIEW v
';
WHEN sqlcode -607 DO
BEGIN END
END
Hana
DO BEGIN
DECLARE EXIT HANDLER FOR SQL_ERROR_CODE 321 BEGIN END;
EXECUTE IMMEDIATE '
DROP VIEW v
';
END;
SQLDataWarehouse
BEGIN TRY
DROP VIEW v
END TRY
BEGIN CATCH
IF error_number() != 3701 BEGIN
DECLARE @ErrorMessage NVARCHAR(4000) = ERROR_MESSAGE();
DECLARE @ErrorSeverity INT = ERROR_SEVERITY();
DECLARE @ErrorState INT = ERROR_STATE();
RAISERROR (@ErrorMessage, @ErrorSeverity, @ErrorState);
END;
END CATCH
SQLServer
BEGIN TRY DROP VIEW v END TRY BEGIN CATCH IF error_number() != 3701 THROW; END CATCH
ASE, Derby, Redshift, Snowflake, Teradata
/* UNSUPPORTED */
Generated with jOOQ 3.21. Support in older jOOQ versions may differ. Translate your own SQL on our website
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