Back out patch added during 8.2.X development:

	Allow to_char() "D" format specifiers for interval/time.

It doesn't work, and I doubt it is useful enough to fix ("D" = day of
week).

diff --git a/src/backend/utils/adt/formatting.c b/src/backend/utils/adt/formatting.c
index 1a711090bd03ba75c8ab186eadb84e35c0bc1bd0..53cf15319d4ee2533b5db3bc81132efaf7a3cb03 100644 (file)
--- a/src/backend/utils/adt/formatting.c
+++ b/src/backend/utils/adt/formatting.c
@@ -1,7 +1,7 @@
 /* -----------------------------------------------------------------------
  * formatting.c
  *
- * $PostgreSQL: pgsql/src/backend/utils/adt/formatting.c,v 1.111 2006/09/03 01:22:56 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/formatting.c,v 1.112 2006/09/10 22:54:47 momjian Exp $
  *
  *
  *      Portions Copyright (c) 1999-2006, PostgreSQL Global Development Group
@@ -2367,6 +2367,7 @@ dch_date(int arg, char *inout, int suf, bool is_to_char, bool is_interval,
                        }
                        break;
                case DCH_D:
+                       INVALID_FOR_INTERVAL;
                        if (is_to_char)
                        {
                                sprintf(inout, "%d", tm->tm_wday + 1);