From 868c1665eb833f26da221865c85a36a6d67f478b Mon Sep 17 00:00:00 2001
From: Shinya Kato <shinya11.kato@gmail.com>
Date: Fri, 9 Aug 2024 09:14:33 +0900
Subject: [PATCH] Add EmitWarningsOnPlaceholders("age")

Added EmitWarningsOnPlaceholders("age") to warn when an undefined GUC parameter is set for a placeholder named "age".
Warnings are issued when PostgreSQL starts.

When PostgreSQL starts
```
2024-08-01 18:32:31.220 JST [2039799] WARNING: invalid configuration parameter name "age.invalid_parameter", removing it
```
---
 src/backend/utils/ag_guc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/backend/utils/ag_guc.c b/src/backend/utils/ag_guc.c
index d9a99f66e..86b4e00bc 100644
--- a/src/backend/utils/ag_guc.c
+++ b/src/backend/utils/ag_guc.c
@@ -42,4 +42,5 @@ void define_config_params(void)
                              NULL,
                              NULL,
                              NULL);
+    EmitWarningsOnPlaceholders("age");
 }