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dolthub--doltgresql/testing/generation/command_docs/synopses/create_trigger.txt
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2026-07-13 12:32:25 +08:00

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CREATE [ OR REPLACE ] CONSTRAINT TRIGGER $name$ AFTER { $event$ [ OR ... ] }
ON $table_name$
FROM $referenced_table_name$
[ NOT DEFERRABLE | [ DEFERRABLE ] [ INITIALLY IMMEDIATE | INITIALLY DEFERRED ] ]
FOR EACH ROW
[ WHEN ( $condition$ ) ]
EXECUTE { FUNCTION | PROCEDURE } $function_name$ ( $arguments$ )
CREATE [ OR REPLACE ] TRIGGER $name$ BEFORE { $event$ [ OR ... ] }
ON $table_name$
[ FOR [ EACH ] { ROW | STATEMENT } ]
[ WHEN ( $condition$ ) ]
EXECUTE { FUNCTION | PROCEDURE } $function_name$ ( $arguments$ )
CREATE [ OR REPLACE ] TRIGGER $name$ AFTER { $event$ [ OR ... ] }
ON $table_name$
[ REFERENCING { { OLD | NEW } TABLE [ AS ] $transition_relation_name$ } [ ... ] ]
[ FOR [ EACH ] { ROW | STATEMENT } ]
[ WHEN ( $condition$ ) ]
EXECUTE { FUNCTION | PROCEDURE } $function_name$ ( $arguments$ )
CREATE [ OR REPLACE ] TRIGGER $name$ INSTEAD OF { $event$ [ OR ... ] }
ON $table_name$
[ FOR [ EACH ] { ROW | STATEMENT } ]
EXECUTE { FUNCTION | PROCEDURE } $function_name$ ( $arguments$ )
where $event$ is:
INSERT |
UPDATE [ OF $column_name$ [ , ... ] ] |
DELETE |
TRUNCATE