From 3af584480d9c911f6f82734d3cc3b8cb9a587fe4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Carlos=20P=C3=A9rez-Aradros=20Herce?= Date: Fri, 3 Nov 2023 14:12:58 +0100 Subject: [PATCH] Fix primary keys retrieval query Previous query was not performing very well --- pkg/state/state.go | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/pkg/state/state.go b/pkg/state/state.go index a169745de..f2b2af121 100644 --- a/pkg/state/state.go +++ b/pkg/state/state.go @@ -123,13 +123,16 @@ BEGIN ) c ), 'primaryKey', ( - SELECT json_agg(kcu.column_name) AS primary_key_columns - FROM information_schema.table_constraints AS tc - JOIN information_schema.key_column_usage AS kcu - ON tc.constraint_name = kcu.constraint_name - WHERE tc.table_name = t.relname - AND tc.table_schema = schemaname - AND tc.constraint_type = 'PRIMARY KEY' + SELECT json_agg(pg_attribute.attname) AS primary_key_columns + FROM pg_index, pg_class, pg_attribute, pg_namespace + WHERE + pg_class.oid = 'customers'::regclass AND + indrelid = pg_class.oid AND + nspname = schemaname AND + pg_class.relnamespace = pg_namespace.oid AND + pg_attribute.attrelid = pg_class.oid AND + pg_attribute.attnum = any(pg_index.indkey) + AND indisprimary ), 'indexes', ( SELECT json_object_agg(pi.indexrelid::regclass, json_build_object(