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-rw-r--r--src/backend/utils/adt/regproc.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/backend/utils/adt/regproc.c b/src/backend/utils/adt/regproc.c
index bf4bcc365e..88b0c1d266 100644
--- a/src/backend/utils/adt/regproc.c
+++ b/src/backend/utils/adt/regproc.c
@@ -13,7 +13,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/adt/regproc.c,v 1.100 2007/01/05 22:19:41 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/regproc.c,v 1.101 2007/06/05 21:31:06 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1070,6 +1070,10 @@ regtypesend(PG_FUNCTION_ARGS)
/*
* text_regclass: convert text to regclass
+ *
+ * This could be replaced by CoerceViaIO, except that we need to treat
+ * text-to-regclass as an implicit cast to support legacy forms of nextval()
+ * and related functions.
*/
Datum
text_regclass(PG_FUNCTION_ARGS)