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Support TRUNCATE triggers on foreign tables.

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Now some foreign data wrappers support TRUNCATE command.
So it's useful to support TRUNCATE triggers on foreign tables for
audit logging or for preventing undesired truncation.

Author: Yugo Nagata
Reviewed-by: Fujii Masao, Ian Lawrence Barwick
Discussion: https://postgr.es/m/20220630193848.5b02e0d6076b86617a915682@sraoss.co.jp
This commit is contained in:
Fujii Masao
2022-07-12 09:18:02 +09:00
parent 14168d3c62
commit 3b00a944a9
4 changed files with 11 additions and 14 deletions
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5
contrib/postgres_fdw/sql/postgres_fdw.sql
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@ -1595,9 +1595,9 @@ BEGIN
RETURN NULL;
END;$$;
CREATE TRIGGER trig_stmt_before BEFORE DELETE OR INSERT OR UPDATE ON rem1
CREATE TRIGGER trig_stmt_before BEFORE DELETE OR INSERT OR UPDATE OR TRUNCATE ON rem1
FOR EACH STATEMENT EXECUTE PROCEDURE trigger_func();
CREATE TRIGGER trig_stmt_after AFTER DELETE OR INSERT OR UPDATE ON rem1
CREATE TRIGGER trig_stmt_after AFTER DELETE OR INSERT OR UPDATE OR TRUNCATE ON rem1
FOR EACH STATEMENT EXECUTE PROCEDURE trigger_func();
CREATE OR REPLACE FUNCTION trigger_data() RETURNS trigger
@ -1652,6 +1652,7 @@ delete from rem1;
insert into rem1 values(1,'insert');
update rem1 set f2 = 'update' where f1 = 1;
update rem1 set f2 = f2 || f2;
truncate rem1;
-- cleanup