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-rw-r--r--src/include/config.h.in4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/include/config.h.in b/src/include/config.h.in
index 9ec12b5d196..af032952ef1 100644
--- a/src/include/config.h.in
+++ b/src/include/config.h.in
@@ -101,8 +101,8 @@
* pgsql/src/backend/utils/fmgr/fmgr.c and add additional entries
* to the 'case' statement for the additional arguments.
*/
-#define INDEX_MAX_KEYS 16
-#define FUNC_MAX_ARGS INDEX_MAX_KEYS
+#define INDEX_MAX_KEYS 8
+#define FUNC_MAX_ARGS (INDEX_MAX_KEYS+1)
/*
* Enables debugging print statements in the date/time support routines.