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-rw-r--r--src/include/utils/guc.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/include/utils/guc.h b/src/include/utils/guc.h
index 49ec3840af3..dc167f9bb5c 100644
--- a/src/include/utils/guc.h
+++ b/src/include/utils/guc.h
@@ -365,7 +365,8 @@ extern int set_config_option(const char *name, const char *value,
GucAction action, bool changeVal, int elevel,
bool is_reload);
extern void AlterSystemSetConfigFile(AlterSystemStmt *setstmt);
-extern char *GetConfigOptionByName(const char *name, const char **varname);
+extern char *GetConfigOptionByName(const char *name, const char **varname,
+ bool missing_ok);
extern void GetConfigOptionByNum(int varnum, const char **values, bool *noshow);
extern int GetNumConfigOptions(void);