diff --git a/src/backend/tcop/variable.c b/src/backend/tcop/variable.c
new file mode 100644
index 0000000000000000000000000000000000000000..6f279897556142a0d6c89947065a01362024ac04
--- /dev/null
+++ b/src/backend/tcop/variable.c
@@ -0,0 +1,12 @@
+#include "postgres.h"
+#include "tcop/variable.h"
+
+bool SetPGVariable(const char *varName, const char *value)
+	{
+	return TRUE;
+	}
+
+const char *GetPGVariable(const char *varName)
+	{
+	return NULL;
+	}