From: | "Mike Ellsworth" <younicycle(at)gmail(dot)com> |
---|---|
To: | "PostgreSQL List - Novice" <pgsql-novice(at)postgresql(dot)org> |
Subject: | Passing on a q ... Alter schema |
Date: | 2008-02-01 13:00:27 |
Message-ID: | 219951fd0802010500q4085af48n4ede887cd20f5e44@mail.gmail.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-novice |
Someone (a new subscriber) asked me to pass this question on. Taking
awhile to get through Moderation. I believe it's been several hours.
"Can anyone help me please ?? I would like to get
the execution of each the statement in the LOOP ( in the function
change_owner() below) each in its own transaction.
the construction like the following errors out with
ERROR: syntax error at or near "LOOP"
LOOP
BEGIN;
PERFORM change_schema_owner( sch_rec.nspname );
COMMIT;
END LOOP;
getting the same errors when I tried to start the transaction into the function
change_schema_owner()
tried something similar to
BEGIN
BEGIN;
EXECUTE 'ALTER SCHEMA ' ||sch_name || ' OWNER TO new_role' ;
COMMIT;
RETURN ;
END;
called SET TRANSACTION ISOLATION LEVEL SERIALIZABLE before the calls ..
but looks like all the LOOP calls are bieng done in one transaction since I am
getting an error like :
ERROR: out of shared memory
HINT: You may need to increase max_locks_per_transaction.
CONTEXT: SQL statement "ALTER TABLE "test"."test_ages" OWNER TO "test""
PL/pgSQL function "change_schema_owner" line 24 at execute statement
-- functions I am using for that
CREATE OR REPLACE FUNCTION owner_migration()
..
$BODY$
DECLARE
sch_rec RECORD;
BEGIN
FOR sch_rec IN SELECT * FROM pg_catalog.pg_namespace
LEFT JOIN pg_catalog.pg_user ON
pg_user.usesysid=pg_namespace.nspowner
WHERE pg_user.usename = 'test'
LOOP
PERFORM change_schema_owner( sch_rec.nspname );
END LOOP;
RETURN ;
END;
CREATE OR REPLACE FUNCTION change_schema_owner(sch_name character varying)
...
...
BEGIN
-- here I would like to have a transaction and commit it on return
EXECUTE 'ALTER SCHEMA ' ||sch_name || ' OWNER TO new_role' ;
{ statements to change owner for all the objects in the schema }
RETURN ;
END;"
Thanks for any help
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