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Improve specificity with which we apply compute specs (#12773)

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This makes sure we don't confuse user-controlled functions with PG's
builtin functions.

## Problem

See https://github.com/neondatabase/cloud/issues/31628
This commit is contained in:
Matthias van de Meent
2025-07-30 17:29:16 +02:00
committed by GitHub
parent 842a5091d5
commit f3a0e4f255
54 changed files with 156 additions and 143 deletions
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10
compute_tools/src/sql/finalize_drop_subscriptions.sql
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@@ -3,19 +3,19 @@ BEGIN
IF NOT EXISTS(
SELECT 1
FROM pg_catalog.pg_tables
WHERE tablename = 'drop_subscriptions_done'
AND schemaname = 'neon'
WHERE tablename OPERATOR(pg_catalog.=) 'drop_subscriptions_done'::pg_catalog.name
AND schemaname OPERATOR(pg_catalog.=) 'neon'::pg_catalog.name
)
THEN
CREATE TABLE neon.drop_subscriptions_done
(id serial primary key, timeline_id text);
(id pg_catalog.int4 primary key generated by default as identity, timeline_id pg_catalog.text);
END IF;
-- preserve the timeline_id of the last drop_subscriptions run
-- to ensure that the cleanup of a timeline is executed only once.
-- use upsert to avoid the table bloat in case of cascade branching (branch of a branch)
INSERT INTO neon.drop_subscriptions_done VALUES (1, current_setting('neon.timeline_id'))
INSERT INTO neon.drop_subscriptions_done VALUES (1, pg_catalog.current_setting('neon.timeline_id'))
ON CONFLICT (id) DO UPDATE
SET timeline_id = current_setting('neon.timeline_id');
SET timeline_id = pg_catalog.current_setting('neon.timeline_id')::pg_catalog.text;
END
$$