Lu, Huayi a24ca60074 DWS DEVELOPER 811 version

Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>

2023-01-19 13:37:49 +00:00

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ALTER TRIGGER

Function

ALTER TRIGGER modifies the definition of a trigger.

Precautions

Only the owner of a table where a trigger is created and system administrators can run the ALTER TRIGGER statement.

Syntax

1
ALTER TRIGGER trigger_name ON table_name RENAME TO new_name;

Parameter Description

trigger_name
Specifies the name of the trigger to be modified.

Value range: an existing trigger
table_name
Specifies the name of the table where the trigger to be modified is located.

Value range: an existing table having a trigger
new_name
Specifies the new name after modification.

Value range: a string that complies with the identifier naming convention. A value contains a maximum of 63 characters and cannot be the same as other triggers on the same table.

Examples

Modified the trigger delete_trigger.

1
ALTER TRIGGER delete_trigger ON test_trigger_src_tbl RENAME TO delete_trigger_renamed;

Disable the trigger insert_trigger.

1
ALTER TABLE test_trigger_src_tbl DISABLE TRIGGER insert_trigger;  

Disable all triggers on the test_trigger_src_tbl table.

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ALTER TABLE test_trigger_src_tbl DISABLE TRIGGER ALL; 

Helpful Links

CREATE TRIGGER, DROP TRIGGER, ALTER TABLE

Parent topic: DDL Syntax

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