From 10fb48d66de76e7dc1e36ef18af502ed9600352f Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Thu, 2 Jul 2015 16:40:55 -0400 Subject: Add an optional missing_ok argument to SQL function current_setting(). This allows convenient checking for existence of a GUC from SQL, which is particularly useful when dealing with custom variables. David Christensen, reviewed by Jeevan Chalke --- src/include/utils/builtins.h | 1 + 1 file changed, 1 insertion(+) (limited to 'src/include/utils/builtins.h') diff --git a/src/include/utils/builtins.h b/src/include/utils/builtins.h index 98556725c8e..fcb0bf0ce8e 100644 --- a/src/include/utils/builtins.h +++ b/src/include/utils/builtins.h @@ -1114,6 +1114,7 @@ extern Datum quote_nullable(PG_FUNCTION_ARGS); /* guc.c */ extern Datum show_config_by_name(PG_FUNCTION_ARGS); +extern Datum show_config_by_name_missing_ok(PG_FUNCTION_ARGS); extern Datum set_config_by_name(PG_FUNCTION_ARGS); extern Datum show_all_settings(PG_FUNCTION_ARGS); extern Datum show_all_file_settings(PG_FUNCTION_ARGS); -- cgit v1.2.3