Merge with 4.0.13

BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
BUILD/SETUP.sh:
  Auto merged
BitKeeper/deleted/.del-libmysql.def~29fc6d70335f1c4c:
  Auto merged
Makefile.am:
  Auto merged
acinclude.m4:
  Auto merged
BitKeeper/triggers/post-commit:
  Auto merged
Build-tools/Do-compile:
  Auto merged
VC++Files/libmysql/libmysql.dsp:
  Auto merged
VC++Files/mysql.dsw:
  Auto merged
client/mysql.cc:
  Auto merged
client/mysqlbinlog.cc:
  Auto merged
client/mysqldump.c:
  Auto merged
include/config-win.h:
  Auto merged
include/my_base.h:
  Auto merged
include/my_global.h:
  Auto merged
include/my_pthread.h:
  Auto merged
include/my_sys.h:
  Auto merged
include/violite.h:
  Auto merged
innobase/buf/buf0flu.c:
  Auto merged
innobase/buf/buf0lru.c:
  Auto merged
innobase/include/buf0buf.h:
  Auto merged
innobase/include/buf0lru.h:
  Auto merged
innobase/include/row0mysql.h:
  Auto merged
innobase/include/srv0srv.h:
  Auto merged
innobase/lock/lock0lock.c:
  Auto merged
innobase/log/log0log.c:
  Auto merged
innobase/log/log0recv.c:
  Auto merged
innobase/os/os0file.c:
  Auto merged
innobase/row/row0mysql.c:
  Auto merged
innobase/row/row0sel.c:
  Auto merged
innobase/srv/srv0srv.c:
  Auto merged
innobase/srv/srv0start.c:
  Auto merged
innobase/trx/trx0sys.c:
  Auto merged
innobase/trx/trx0trx.c:
  Auto merged
innobase/ut/ut0ut.c:
  Auto merged
myisam/ft_boolean_search.c:
  Auto merged
myisam/mi_check.c:
  Auto merged
myisam/mi_key.c:
  Auto merged
myisam/mi_open.c:
  Auto merged
myisam/mi_range.c:
  Auto merged
myisam/mi_search.c:
  Auto merged
myisam/sort.c:
  Auto merged
mysql-test/r/delete.result:
  Auto merged
mysql-test/r/fulltext.result:
  Auto merged
mysql-test/r/innodb_handler.result:
  Auto merged
mysql-test/r/join.result:
  Auto merged
mysql-test/r/join_outer.result:
  Auto merged
mysql-test/r/key.result:
  Auto merged
mysql-test/r/multi_update.result:
  Auto merged
mysql-test/r/myisam.result:
  Auto merged
mysql-test/r/query_cache.result:
  Auto merged
mysql-test/r/select.result:
  Auto merged
mysql-test/r/variables.result:
  Auto merged
mysql-test/t/alter_table.test:
  Auto merged
mysql-test/t/ctype_latin1_de.test:
  Auto merged
mysql-test/t/delete.test:
  Auto merged
mysql-test/t/fulltext.test:
  Auto merged
mysql-test/t/innodb_handler.test:
  Auto merged
mysql-test/t/join.test:
  Auto merged
mysql-test/t/join_outer.test:
  Auto merged
mysql-test/t/key.test:
  Auto merged
mysql-test/t/multi_update.test:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged
mysql-test/t/query_cache.test:
  Auto merged
mysql-test/t/repair.test:
  Auto merged
mysql-test/t/select_safe.test:
  Auto merged
mysql-test/t/type_decimal.test:
  Auto merged
mysql-test/t/variables.test:
  Auto merged
mysys/default.c:
  Auto merged
mysys/my_pthread.c:
  Auto merged
scripts/mysql_fix_privilege_tables.sh:
  Auto merged
scripts/mysqld_safe.sh:
  Auto merged
sql/ha_heap.h:
  Auto merged
sql/ha_innodb.h:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/handler.cc:
  Auto merged
sql/handler.h:
  Auto merged
sql/init.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/item_create.cc:
  Auto merged
sql/item_strfunc.cc:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/mini_client.cc:
  Auto merged
sql/net_serv.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/records.cc:
  Auto merged
sql/slave.cc:
  Auto merged
sql/sql_acl.h:
  Auto merged
sql/sql_analyse.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_list.h:
  Auto merged
sql/sql_load.cc:
  Auto merged
sql/share/czech/errmsg.txt:
  Auto merged
sql/share/danish/errmsg.txt:
  Auto merged
sql/share/dutch/errmsg.txt:
  Auto merged
sql/share/english/errmsg.txt:
  Auto merged
sql/share/estonian/errmsg.txt:
  Auto merged
sql/share/french/errmsg.txt:
  Auto merged
sql/share/greek/errmsg.txt:
  Auto merged
sql/share/hungarian/errmsg.txt:
  Auto merged
sql/share/italian/errmsg.txt:
  Auto merged
sql/share/japanese/errmsg.txt:
  Auto merged
sql/share/korean/errmsg.txt:
  Auto merged
sql/share/norwegian-ny/errmsg.txt:
  Auto merged
sql/share/norwegian/errmsg.txt:
  Auto merged
sql/share/portuguese/errmsg.txt:
  Auto merged
sql/share/romanian/errmsg.txt:
  Auto merged
sql/share/russian/errmsg.txt:
  Auto merged
sql/share/slovak/errmsg.txt:
  Auto merged
sql/share/spanish/errmsg.txt:
  Auto merged
sql/share/swedish/errmsg.txt:
  Auto merged
sql/share/ukrainian/errmsg.txt:
  Auto merged
sql/unireg.h:
  Auto merged
sql-bench/crash-me.sh:
  Auto merged
sql-bench/test-transactions.sh:
  Auto merged
strings/ctype-tis620.c:
  Auto merged
tests/grant.res:
  Auto merged
sql/log_event.cc:
  Merge with 4.0.13
  Cleaned up comment syntax

1 files changed, 32 insertions, 16 deletions

diff --git a/myisam/mi_rkey.c b/myisam/mi_rkey.c
index 4a3c76809e8..a702f78b926 100644
--- a/myisam/mi_rkey.c
+++ b/myisam/mi_rkey.c
@@ -23,10 +23,12 @@
 	/* Ordinary search_flag is 0 ; Give error if no record with key */
 
 int mi_rkey(MI_INFO *info, byte *buf, int inx, const byte *key, uint key_len,
-	     enum ha_rkey_function search_flag)
+	    enum ha_rkey_function search_flag)
 {
   uchar *key_buff;
   MYISAM_SHARE *share=info->s;
+  MI_KEYDEF *keyinfo;
+  MI_KEYSEG *last_used_keyseg;
   uint pack_key_length, use_key_length, nextflag;
   DBUG_ENTER("mi_rkey");
   DBUG_PRINT("enter",("base: %lx  inx: %d  search_flag: %d",
@@ -36,25 +38,29 @@ int mi_rkey(MI_INFO *info, byte *buf, int inx, const byte *key, uint key_len,
     DBUG_RETURN(my_errno);
 
   info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED);
-  info->last_key_func=search_flag;
+  info->last_key_func= search_flag;
+  keyinfo= share->keyinfo + inx;
 
   if (info->once_flags & USE_PACKED_KEYS)
   {
-    /* key is already packed! */
+    info->once_flags&= ~USE_PACKED_KEYS;	/* Reset flag */
+    /*
+      key is already packed!;  This happens when we are using a MERGE TABLE
+    */
     key_buff=info->lastkey+info->s->base.max_key_length;
-    info->last_rkey_length=pack_key_length=key_len;
+    pack_key_length= key_len;
     bmove(key_buff,key,key_len);
-    info->once_flags&= ~USE_PACKED_KEYS;
+    last_used_keyseg= 0;
   }
   else
   {
     if (key_len == 0)
       key_len=USE_WHOLE_KEY;
     key_buff=info->lastkey+info->s->base.max_key_length;
-    pack_key_length=_mi_pack_key(info,(uint) inx,key_buff,(uchar*) key,key_len);
-    info->last_rkey_length=pack_key_length;
-    DBUG_EXECUTE("key",_mi_print_key(DBUG_FILE,share->keyinfo[inx].seg,
-				     key_buff,pack_key_length););
+    pack_key_length=_mi_pack_key(info,(uint) inx, key_buff, (uchar*) key,
+				 key_len, &last_used_keyseg);
+    DBUG_EXECUTE("key",_mi_print_key(DBUG_FILE, keyinfo->seg,
+				     key_buff, pack_key_length););
   }
 
   if (fast_mi_readinfo(info))
@@ -67,9 +73,9 @@ int mi_rkey(MI_INFO *info, byte *buf, int inx, const byte *key, uint key_len,
   if (!(nextflag & (SEARCH_FIND | SEARCH_NO_FIND | SEARCH_LAST)))
     use_key_length=USE_WHOLE_KEY;
 
-  switch(info->s->keyinfo[inx].key_alg){
+  switch (info->s->keyinfo[inx].key_alg) {
   case HA_KEY_ALG_RTREE:
-    if(rtree_find_first(info,inx,key_buff,use_key_length,nextflag)<0)
+    if (rtree_find_first(info,inx,key_buff,use_key_length,nextflag) < 0)
     {
       my_errno=HA_ERR_CRASHED;
       goto err;
@@ -77,8 +83,8 @@ int mi_rkey(MI_INFO *info, byte *buf, int inx, const byte *key, uint key_len,
     break;
   case HA_KEY_ALG_BTREE:
   default:
-    if (!_mi_search(info,info->s->keyinfo+inx,key_buff,use_key_length,
-		  myisam_read_vec[search_flag],info->s->state.key_root[inx]))
+    if (!_mi_search(info, keyinfo, key_buff, use_key_length,
+		  myisam_read_vec[search_flag], info->s->state.key_root[inx]))
     {
       while (info->lastpos >= info->state->data_file_length)
       {
@@ -88,7 +94,7 @@ int mi_rkey(MI_INFO *info, byte *buf, int inx, const byte *key, uint key_len,
 	  exact key, because the keys are sorted according to position
         */
 
-        if  (_mi_search_next(info,info->s->keyinfo+inx,info->lastkey,
+        if  (_mi_search_next(info, keyinfo, info->lastkey,
 			   info->lastkey_length,
 			   myisam_readnext_vec[search_flag],
 			   info->s->state.key_root[inx]))
@@ -99,8 +105,17 @@ int mi_rkey(MI_INFO *info, byte *buf, int inx, const byte *key, uint key_len,
   if (share->concurrent_insert)
     rw_unlock(&share->key_root_lock[inx]);
 
+  /* Calculate length of the found key;  Used by mi_rnext_same */
+  if ((keyinfo->flag & HA_VAR_LENGTH_KEY) && last_used_keyseg &&
+      info->lastpos != HA_OFFSET_ERROR)
+    info->last_rkey_length= _mi_keylength_part(keyinfo, info->lastkey,
+					       last_used_keyseg);
+  else
+    info->last_rkey_length= pack_key_length;
+
+  /* Check if we don't want to have record back, only error message */
   if (!buf)
-    DBUG_RETURN(info->lastpos==HA_OFFSET_ERROR ? my_errno : 0);
+    DBUG_RETURN(info->lastpos == HA_OFFSET_ERROR ? my_errno : 0);
 
   if (!(*info->read_record)(info,info->lastpos,buf))
   {
@@ -110,8 +125,9 @@ int mi_rkey(MI_INFO *info, byte *buf, int inx, const byte *key, uint key_len,
 
   info->lastpos = HA_OFFSET_ERROR;		/* Didn't find key */
 
-  /* Store key for read next */
+  /* Store last used key as a base for read next */
   memcpy(info->lastkey,key_buff,pack_key_length);
+  info->last_rkey_length= pack_key_length;
   bzero((char*) info->lastkey+pack_key_length,info->s->base.rec_reflength);
   info->lastkey_length=pack_key_length+info->s->base.rec_reflength;