Fix bug in our code when using to_timestamp() or to_date() without "TM".

Assume "TM" when input fields are variable-length, like month or day
names.  This matches Oracle behavior.

diff --git a/src/backend/utils/adt/formatting.c b/src/backend/utils/adt/formatting.c
index 66fc77e6a82e0f4d65409cc0d9f2f9d6cbcbd1d0..cbc109649951b01367c6b712d885fbf41fce93cf 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 1.118 2007/01/12 23:34:54 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/formatting.c,v 1.119 2007/02/08 03:22:28 momjian Exp $
  *
  *
  *      Portions Copyright (c) 1999-2007, PostgreSQL Global Development Group
@@ -2093,10 +2093,7 @@ dch_date(int arg, char *inout, int suf, bool is_to_char, bool is_interval,
                {
                        tmfc->mm = seq_search(inout, months_full, ONE_UPPER, FULL_SIZ, &len) + 1;
                        CHECK_SEQ_SEARCH(len, "MONTH/Month/month");
-                       if (S_FM(suf))
-                               return len;
-                       else
-                               return 9;
+                       return len;
                }
                else if (arg == DCH_MON || arg == DCH_Mon || arg == DCH_mon)
                {
@@ -2108,10 +2105,7 @@ dch_date(int arg, char *inout, int suf, bool is_to_char, bool is_interval,
                {
                        tmfc->d = seq_search(inout, days, ONE_UPPER, FULL_SIZ, &len);
                        CHECK_SEQ_SEARCH(len, "DAY/Day/day");
-                       if (S_FM(suf))
-                               return len;
-                       else
-                               return 9;
+                       return len;
                }
                else if (arg == DCH_DY || arg == DCH_Dy || arg == DCH_dy)
                {
@@ -2636,10 +2630,7 @@ dch_date(int arg, char *inout, int suf, bool is_to_char, bool is_interval,
                        {
                                tmfc->mm = 12 - seq_search(inout, rm_months_upper, ALL_UPPER, FULL_SIZ, &len);
                                CHECK_SEQ_SEARCH(len, "RM");
-                               if (S_FM(suf))
-                                       return len;
-                               else
-                                       return 4;
+                               return len;
                        }
                        break;
                case DCH_rm:
@@ -2655,10 +2646,7 @@ dch_date(int arg, char *inout, int suf, bool is_to_char, bool is_interval,
                        {
                                tmfc->mm = 12 - seq_search(inout, rm_months_lower, ALL_LOWER, FULL_SIZ, &len);
                                CHECK_SEQ_SEARCH(len, "rm");
-                               if (S_FM(suf))
-                                       return len;
-                               else
-                                       return 4;
+                               return len;
                        }
                        break;
                case DCH_W: