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From:Gunnar von Boehn Date:January 13 2006 1:43pm
Subject:bk commit into 4.1 tree (gvb:1.2481) BUG#15828
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Below is the list of changes that have just been committed into a local
4.1 repository of gvb. When gvb does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
For information on how to access the public repository
see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html

ChangeSet
  1.2481 06/01/13 14:42:46 gvb@phoenix.(none) +3 -0
  fix for bug#15828
  problem was not checking 2nd parameter of str_to_date against NULL

  sql/item_timefunc.cc
    1.94 06/01/13 14:40:51 gvb@phoenix.(none) +1 -1

  mysql-test/r/date_formats.result
    1.17 06/01/13 14:40:46 gvb@phoenix.(none) +6 -0
    bk commit

  mysql-test/t/date_formats.test
    1.14 06/01/13 14:39:39 gvb@phoenix.(none) +7 -0
    fix for bug#15828
    problem was not checking 2nd parameter of str_to_date against NULL

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	gvb
# Host:	phoenix.(none)
# Root:	/data/mysql-4.1-BK

--- 1.93/sql/item_timefunc.cc	2005-11-01 11:59:53 +01:00
+++ 1.94/sql/item_timefunc.cc	2006-01-13 14:40:51 +01:00
@@ -2750,7 +2750,7 @@
   cached_field_type= MYSQL_TYPE_STRING;
   max_length= MAX_DATETIME_FULL_WIDTH*MY_CHARSET_BIN_MB_MAXLEN;
   cached_timestamp_type= MYSQL_TIMESTAMP_NONE;
-  if ((const_item= args[1]->const_item()))
+  if ((const_item= args[1]->const_item()) && !args[1]->null_value)
   {
     format= args[1]->val_str(&format_str);
     cached_format_type= get_date_time_result_type(format->ptr(),

--- 1.16/mysql-test/r/date_formats.result	2005-10-25 18:35:31 +02:00
+++ 1.17/mysql-test/r/date_formats.result	2006-01-13 14:40:46 +01:00
@@ -464,3 +464,9 @@
 02	February
 01	January
 drop table t1;
+select str_to_date( 1, NULL );
+str_to_date( 1, NULL )
+NULL
+select str_to_date( NULL, 1 );
+str_to_date( NULL, 1 )
+NULL

--- 1.13/mysql-test/t/date_formats.test	2005-10-25 18:35:50 +02:00
+++ 1.14/mysql-test/t/date_formats.test	2006-01-13 14:39:39 +01:00
@@ -268,4 +268,11 @@
 insert into t1 (f1) values ("2005-02-01");
 select date_format(f1, "%m") as d1, date_format(f1, "%M") as d2 from t1 order by date_format(f1, "%M");
 drop table t1;
+
+#
+# Bug #15828
+#
+select str_to_date( 1, NULL );
+select str_to_date( NULL, 1 );
+
 # End of 4.1 tests
Thread
bk commit into 4.1 tree (gvb:1.2481) BUG#15828Gunnar von Boehn13 Jan