Update fmgr to allow 32 arguments.

1 files changed, 6 insertions, 1 deletions

diff --git a/src/include/config.h.in b/src/include/config.h.in
index c731bea4425..ac546ff5123 100644
--- a/src/include/config.h.in
+++ b/src/include/config.h.in
@@ -93,8 +93,13 @@
 #define INDEXSCAN_PATCH 
 
 /*
- * Maximum number of columns in an index and maximum number of args
+ * Maximum number of columns in an index and maximum number of arguments
  * to a function. They must be the same value.
+ *
+ * There is no maximum value, though if you want to pass more than 32 
+ * arguments to a function, you will have to modify 
+ * pgsql/src/backend/utils/fmgr/fmgr.c and add additional entries 
+ * to the 'case' statement for the additional arguments.
  */
 #define INDEX_MAX_KEYS		8
 #define FUNC_MAX_ARGS		INDEX_MAX_KEYS