------------------------------------------------------------
revno: 2630.9.2
committer: Dmitry Lenev <dlenev@mysql.com>
branch nick: mysql-6.0-3726-w3
timestamp: Tue 2008-06-10 18:01:56 +0400
message:
  WL#3726 "DDL locking for all metadata objects".

  After review fixes in progress.


sql/mdl.cc:
  Changed mdl_acquire_shared_lock() signature to accept MDL_CONTEXT
  as one of arguments as described in specification.
sql/mdl.h:
  Changed mdl_acquire_shared_lock() signature to accept MDL_CONTEXT
   as one of arguments as described in specification.
sql/sql_base.cc:
  Changed mdl_acquire_shared_lock() signature to accept MDL_CONTEXT
  as one of arguments as described in specification.
  Renamed handle_failed_open_table_attempt() to
  recover_from_failed_open_table_attempt() as suggested by review.
  Added comment clarifying why we need to check TABLE::db_stat
  while looking at TABLE instances open by other threads.
sql/sql_show.cc:
  Changed mdl_acquire_shared_lock() signature to accept MDL_CONTEXT
  as one of arguments as described in specification.