diff --git a/src/backend/utils/error/elog.c b/src/backend/utils/error/elog.c
index 155d8519a74..30a3a1e698e 100644
--- a/src/backend/utils/error/elog.c
+++ b/src/backend/utils/error/elog.c
@@ -96,6 +96,10 @@ ErrorContextCallback *error_context_stack = NULL;
 
 sigjmp_buf *PG_exception_stack = NULL;
 
+/* BEGIN_NEON */
+SqlErrorCode_hook_type SqlErrorCode_hook = NULL;
+/* END_NEON */
+
 extern bool redirection_done;
 
 /*
@@ -857,6 +861,11 @@ matches_backtrace_functions(const char *funcname)
 int
 errcode(int sqlerrcode)
 {
+/* BEGIN_NEON */
+	if (SqlErrorCode_hook != NULL) {
+		SqlErrorCode_hook(sqlerrcode);
+	}
+/* END_NEON */
 	ErrorData  *edata = &errordata[errordata_stack_depth];
 
 	/* we don't bother incrementing recursion_depth */
diff --git a/src/include/utils/elog.h b/src/include/utils/elog.h
index 8bb55e5b3cc..20892425967 100644
--- a/src/include/utils/elog.h
+++ b/src/include/utils/elog.h
@@ -429,6 +429,11 @@ extern PGDLLIMPORT ErrorContextCallback *error_context_stack;
 
 extern PGDLLIMPORT sigjmp_buf *PG_exception_stack;
 
+/* BEGIN_HADRON */
+typedef void (*SqlErrorCode_hook_type) (int sqlerrcode);
+extern PGDLLIMPORT SqlErrorCode_hook_type SqlErrorCode_hook;
+/* END_HADRON */
+
 
 /* Stuff that error handlers might want to use */