Backport: Remove unused and ancient files, functions, and facilities.

client/mysql.cc:
  Remove unused functions.
client/sql_string.cc:
  Remove unused functions.
include/my_pthread.h:
  Remove unused prototype.
mysys/my_pthread.c:
  Remove unused function.
sql/lock.cc:
  Remove unused function.
sql/lock.h:
  Remove unused and duplicated prototypes.
sql/sql_class.h:
  Removed unused variables.
sql/sql_const.h:
  Remove unused defines.
sql/sql_priv.h:
  Remove unused defines.
sql/sql_string.cc:
  Remove unused prototype.
sql/thr_malloc.cc:
  Remove unused function.
sql/thr_malloc.h:
  Remove unused prototype.
storage/myisam/CMakeLists.txt:
  Remove obsolete fulltext file.
storage/myisam/Makefile.am:
  Remove obsolete files (were already commented out).
storage/myisam/ft_eval.c:
  Remove obsolete fulltext file.
storage/myisam/ft_eval.h:
  Remove obsolete fulltext file.
storage/myisam/ft_stem.c:
  Remove obsolete fulltext file.
storage/myisam/ft_test1.c:
  Remove obsolete fulltext file.
storage/myisam/ft_test1.h:
  Remove obsolete fulltext file.

1 files changed, 0 insertions, 14 deletions

diff --git a/sql/lock.cc b/sql/lock.cc
index 758ea6cf914..3f13f15454a 100644
--- a/sql/lock.cc
+++ b/sql/lock.cc
@@ -533,20 +533,6 @@ void mysql_lock_remove(THD *thd, MYSQL_LOCK *locked,TABLE *table)
   }
 }
 
-/* Downgrade all locks on a table to new WRITE level from WRITE_ONLY */
-
-void mysql_lock_downgrade_write(THD *thd, TABLE *table,
-                                thr_lock_type new_lock_type)
-{
-  MYSQL_LOCK *locked;
-  if ((locked = get_lock_data(thd, &table, 1, GET_LOCK_UNLOCK)))
-  {
-    for (uint i=0; i < locked->lock_count; i++)
-      thr_downgrade_write_lock(locked->locks[i], new_lock_type);
-    my_free((uchar*) locked,MYF(0));
-  }
-}
-
 
 /** Abort all other threads waiting to get lock in table. */