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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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6
compute/etc/sql_exporter/compute_logical_snapshots_bytes.sql
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@@ -1,9 +1,9 @@
SELECT
(SELECT setting FROM pg_settings WHERE name = 'neon.timeline_id') AS timeline_id,
(SELECT setting FROM pg_catalog.pg_settings WHERE name = 'neon.timeline_id') AS timeline_id,
-- Postgres creates temporary snapshot files of the form %X-%X.snap.%d.tmp.
-- These temporary snapshot files are renamed to the actual snapshot files
-- after they are completely built. We only WAL-log the completely built
-- snapshot files
(SELECT COALESCE(sum((pg_stat_file('pg_logical/snapshots/' || name, missing_ok => true)).size), 0)
FROM (SELECT * FROM pg_ls_dir('pg_logical/snapshots') WHERE pg_ls_dir LIKE '%.snap') AS name
(SELECT COALESCE(pg_catalog.sum((pg_catalog.pg_stat_file('pg_logical/snapshots/' || name, missing_ok => true)).size), 0)
FROM (SELECT * FROM pg_catalog.pg_ls_dir('pg_logical/snapshots') WHERE pg_ls_dir LIKE '%.snap') AS name
) AS logical_snapshots_bytes;