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-rw-r--r--src/backend/parser/kwlookup.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/backend/parser/kwlookup.c b/src/backend/parser/kwlookup.c
index ea61b0daa2..f941837fb1 100644
--- a/src/backend/parser/kwlookup.c
+++ b/src/backend/parser/kwlookup.c
@@ -6,6 +6,9 @@
* NB - this file is also used by ECPG and several frontend programs in
* src/bin/ including pg_dump and psql
*
+ * Note that this file expects that the ScanKeywords array is defined
+ * and that LastScanKeyword points to its element one past the last.
+ *
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*