From: Date: May 15 2006 8:58pm
Subject: bk commit into 5.1 tree (cmiller:1.2375) BUG#19564
List-Archive: http://lists.mysql.com/commits/6408
X-Bug: 19564
Message-Id: <20060515185855.BCFC65C053@zippy>

Below is the list of changes that have just been committed into a local
5.1 repository of cmiller. When cmiller 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
  1.2375 06/05/15 14:58:48 cmiller@zippy.(none) +1 -0
  Porting fix of Bug#19564 from 5.0/5.1 trees.

  client/mysql.cc
    1.207 06/05/15 14:58:44 cmiller@zippy.(none) +1 -2
    No longer use the length of data to infer whether it is 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:	cmiller
# Host:	zippy.(none)
# Root:	/home/cmiller/work/mysql/mysql-5.1-release

--- 1.206/client/mysql.cc	2006-05-03 13:34:12 -04:00
+++ 1.207/client/mysql.cc	2006-05-15 14:58:44 -04:00
@@ -2338,8 +2338,7 @@
       uint visible_length;
       uint extra_padding;
 
-      /* If this column may have a null value, use "NULL" for empty.  */
-      if (! not_null_flag[off] && (lengths[off] == 0))
+      if (! not_null_flag[off] && (cur[off] == NULL))
       {
         buffer= "NULL";
         data_length= 4;