BitKeeper/triggers/post-commit

    send the diffs
Docs/manual.texi
    updated change history
include/my_sys.h
    Moved safemalloc_mem_limit here
mysys/safemalloc.c
    fixed up safemalloc_mem_limit
sql/mysqld.cc
    moved safemalloc_mem_limit declaration to my_sys.h


BitKeeper/triggers/post-commit:
  send the diffs
Docs/manual.texi:
  updated change history
include/my_sys.h:
  Moved safemalloc_mem_limit here
mysys/safemalloc.c:
  fixed up safemalloc_mem_limit
sql/mysqld.cc:
  moved safemalloc_mem_limit declaration to my_sys.h

BitKeeper/triggers/post-commit

@@ -15,6 +15,7 @@ Subject: bk commit
 
 EOF
   bk changes -v -r+
+  bk cset -r+ -d
  ) | /usr/sbin/sendmail -t
 else
  echo "commit failed because '$BK_COMMIT', sorry life is hard..." 

Docs/manual.texi

@@ -813,7 +813,7 @@ MySQL change history
 
 Changes in release 3.23.x  (Recommended; beta)
 
-* News-3.23.28::                
+* News-3.23.28::                Changes in release 3.23.28 
 * News-3.23.27::                Changes in release 3.23.27
 * News-3.23.26::                Changes in release 3.23.26
 * News-3.23.25::                Changes in release 3.23.25
@@ -38293,6 +38293,21 @@ Fixed the output of @code{SHOW MASTER STATUS} to be consistent with
 Added @code{PURGE MASTER LOGS TO}.
 @item
 Added @code{SHOW MASTER LOGS}.
+@item
+Added @code{--safemalloc-mem-limit} option to mysqld to simulate memory
+shortage when compiled @code{--with-debug=full}
+@item
+Fixed several coredumps in out-of-memory conditions
+@item
+@code{SHOW SLAVE STATUS} was using unititialized mutex if the slave had
+not been  started yet
+@item
+Fixed bug in @code{ELT()} and @code{MAKE_SET()} when the query used
+a temporary table
+@item
+@code{CHANGE MASTER TO} without specifying @code{MASTER_LOG_POS} would
+set it to 0 instead of 4 and hit the magic number in the master binlog.
+
 @end itemize
 
 @node News-3.23.27, News-3.23.26, News-3.23.28, News-3.23.x

include/my_sys.h

@@ -120,6 +120,7 @@ extern int NEAR my_errno;		/* Last error in mysys */
 #define QUICK_SAFEMALLOC sf_malloc_quick=1
 #define NORMAL_SAFEMALLOC sf_malloc_quick=0
 extern uint sf_malloc_prehunc,sf_malloc_endhunc,sf_malloc_quick;
+extern ulonglong safemalloc_mem_limit;
 #else
 #define my_checkmalloc() (0)
 #define TERMINATE(A) {}

mysys/safemalloc.c

@@ -73,9 +73,7 @@
 #include "my_static.h"
 #include "mysys_err.h"
 
-#ifndef DBUG_OFF
-ulonglong safemalloc_mem_limit = 0;
-#endif
+ulonglong safemalloc_mem_limit = ~(ulonglong)0;
 
 #define pNext		tInt._pNext
 #define pPrev		tInt._pPrev
@@ -133,12 +131,9 @@ gptr _mymalloc (uint uSize, const char *sFile, uint uLine, myf MyFlags)
     if (!sf_malloc_quick)
       (void) _sanity (sFile, uLine);
 
-#ifndef DBUG_OFF    
-    if(safemalloc_mem_limit &&
-       uSize + lCurMemory > safemalloc_mem_limit)
+    if(uSize + lCurMemory > safemalloc_mem_limit)
       pTmp = 0;
     else
-#endif      
        /* Allocate the physical memory */
        pTmp = (struct remember *) malloc (
 		sizeof (struct irem)			/* remember data  */

sql/mysqld.cc

@@ -248,9 +248,6 @@ double log_10[32];			/* 10 potences */
 I_List<THD> threads,thread_cache;
 time_t start_time;
 
-#if !defined(DBUG_OFF) && defined(SAFEMALLOC)
-extern ulonglong safemalloc_mem_limit;
-#endif
 
 pthread_key(MEM_ROOT*,THR_MALLOC);
 pthread_key(THD*, THR_THD);