Commit 8abfc0e7 authored by unknown's avatar unknown
Browse files

Merge aivanov@bk-internal.mysql.com:/home/bk/mysql-5.0 

into  mysql.com:/home/alexi/bugs/mysql-5.0-15758
parents 6051eb31 372901ad

sql/sql_cache.cc

+5 −0
Original line number Diff line number Diff line
@@ -830,6 +830,11 @@ sql mode: 0x%lx, sort len: %lu, conncat len: %lu", 
                          flags.sql_mode,

                          flags.max_sort_length,

                          flags.group_concat_max_len));

    /*

     Make InnoDB to release the adaptive hash index latch before

     acquiring the query cache mutex.

    */

    ha_release_temporary_latches(thd);

    STRUCT_LOCK(&structure_guard_mutex);



    if (query_cache_size == 0)

sql/sql_class.cc

+0 −4
Original line number Diff line number Diff line
@@ -919,14 +919,12 @@ bool select_send::send_data(List<Item> &items) 
    return 0;

  }



#ifdef HAVE_INNOBASE_DB

  /*

    We may be passing the control from mysqld to the client: release the

    InnoDB adaptive hash S-latch to avoid thread deadlocks if it was reserved

    by thd

  */

    ha_release_temporary_latches(thd);

#endif



  List_iterator_fast<Item> li(items);

  Protocol *protocol= thd->protocol;
@@ -956,12 +954,10 @@ bool select_send::send_data(List<Item> &items) 


bool select_send::send_eof()

{

#ifdef HAVE_INNOBASE_DB

  /* We may be passing the control from mysqld to the client: release the

     InnoDB adaptive hash S-latch to avoid thread deadlocks if it was reserved

     by thd */

    ha_release_temporary_latches(thd);

#endif



  /* Unlock tables before sending packet to gain some speed */

  if (thd->lock)

sql/sql_cursor.cc

+1 −2
Original line number Diff line number Diff line
@@ -445,9 +445,8 @@ Sensitive_cursor::fetch(ulong num_rows) 
  if (error == NESTED_LOOP_CURSOR_LIMIT)

    join->resume_nested_loop= TRUE;



#ifdef USING_TRANSACTIONS

    ha_release_temporary_latches(thd);

#endif



  /* Grab free_list here to correctly free it in close */

  thd->restore_active_arena(this, &backup_arena);