Merge bk-internal.mysql.com:/home/bk/mysql-5.1-engines

into  chilla.local:/home/mydev/mysql-5.1-bug17332

2 files changed, 10 insertions, 5 deletions

diff --git a/storage/myisam/ha_myisam.cc b/storage/myisam/ha_myisam.cc
index 298e3e6c433..ee9ecd96dc9 100644
--- a/storage/myisam/ha_myisam.cc
+++ b/storage/myisam/ha_myisam.cc
@@ -1263,6 +1263,7 @@ int ha_myisam::preload_keys(THD* thd, HA_CHECK_OPT *check_opt)
   ulonglong map;
   TABLE_LIST *table_list= table->pos_in_table_list;
   my_bool ignore_leaves= table_list->ignore_leaves;
+  char buf[ERRMSGSIZE+20];
 
   DBUG_ENTER("ha_myisam::preload_keys");
 
@@ -1294,7 +1295,6 @@ int ha_myisam::preload_keys(THD* thd, HA_CHECK_OPT *check_opt)
       errmsg= "Failed to allocate buffer";
       break;
     default:
-      char buf[ERRMSGSIZE+20];
       my_snprintf(buf, ERRMSGSIZE,
                   "Failed to read from index file (errno: %d)", my_errno);
       errmsg= buf;
diff --git a/storage/myisam/mi_preload.c b/storage/myisam/mi_preload.c
index 78729f18424..06c66c06bf4 100644
--- a/storage/myisam/mi_preload.c
+++ b/storage/myisam/mi_preload.c
@@ -55,12 +55,17 @@ int mi_preload(MI_INFO *info, ulonglong key_map, my_bool ignore_leaves)
 
   block_length= keyinfo[0].block_length;
 
-  /* Check whether all indexes use the same block size */
-  for (i= 1 ; i < keys ; i++)
+  if (ignore_leaves)
   {
-    if (keyinfo[i].block_length != block_length)
-      DBUG_RETURN(my_errno= HA_ERR_NON_UNIQUE_BLOCK_SIZE);
+    /* Check whether all indexes use the same block size */
+    for (i= 1 ; i < keys ; i++)
+    {
+      if (keyinfo[i].block_length != block_length)
+        DBUG_RETURN(my_errno= HA_ERR_NON_UNIQUE_BLOCK_SIZE);
+    }
   }
+  else
+    block_length= share->key_cache->key_cache_block_size;
 
   length= info->preload_buff_size/block_length * block_length;
   set_if_bigger(length, block_length);