Backport of:

------------------------------------------------------------
revno: 2630.13.2
committer: Davi Arnaut <davi@sun.com>
branch nick: WL4284-6.0
timestamp: Thu 2008-07-03 18:26:51 -0300
message:
Remove unused USING_TRANSACTIONS macro which unnecessarily
cumbers the code. This macro is a historical leftover and
has no practical use since its unconditionally defined.

1 files changed, 9 insertions, 12 deletions

diff --git a/sql/handler.cc b/sql/handler.cc
index ad7e1ecfa80..9d1fc723208 100644
--- a/sql/handler.cc
+++ b/sql/handler.cc
@@ -992,7 +992,7 @@ int ha_prepare(THD *thd)
   THD_TRANS *trans=all ? &thd->transaction.all : &thd->transaction.stmt;
   Ha_trx_info *ha_info= trans->ha_list;
   DBUG_ENTER("ha_prepare");
-#ifdef USING_TRANSACTIONS
+
   if (ha_info)
   {
     for (; ha_info; ha_info= ha_info->next())
@@ -1018,7 +1018,7 @@ int ha_prepare(THD *thd)
       }
     }
   }
-#endif /* USING_TRANSACTIONS */
+
   DBUG_RETURN(error);
 }
 
@@ -1146,7 +1146,7 @@ int ha_commit_trans(THD *thd, bool all)
     my_error(ER_COMMIT_NOT_ALLOWED_IN_SF_OR_TRG, MYF(0));
     DBUG_RETURN(2);
   }
-#ifdef USING_TRANSACTIONS
+
   if (ha_info)
   {
     uint rw_ha_count;
@@ -1227,7 +1227,6 @@ end:
   /* Free resources and perform other cleanup even for 'empty' transactions. */
   else if (is_real_trans)
     thd->transaction.cleanup();
-#endif /* USING_TRANSACTIONS */
   DBUG_RETURN(error);
 }
 
@@ -1249,7 +1248,7 @@ int ha_commit_one_phase(THD *thd, bool all)
   bool is_real_trans=all || thd->transaction.all.ha_list == 0;
   Ha_trx_info *ha_info= trans->ha_list, *ha_info_next;
   DBUG_ENTER("ha_commit_one_phase");
-#ifdef USING_TRANSACTIONS
+
   if (ha_info)
   {
     for (; ha_info; ha_info= ha_info_next)
@@ -1279,7 +1278,7 @@ int ha_commit_one_phase(THD *thd, bool all)
   /* Free resources and perform other cleanup even for 'empty' transactions. */
   if (is_real_trans)
     thd->transaction.cleanup();
-#endif /* USING_TRANSACTIONS */
+
   DBUG_RETURN(error);
 }
 
@@ -1319,7 +1318,7 @@ int ha_rollback_trans(THD *thd, bool all)
     my_error(ER_COMMIT_NOT_ALLOWED_IN_SF_OR_TRG, MYF(0));
     DBUG_RETURN(1);
   }
-#ifdef USING_TRANSACTIONS
+
   if (ha_info)
   {
     /* Close all cursors that can not survive ROLLBACK */
@@ -1350,7 +1349,6 @@ int ha_rollback_trans(THD *thd, bool all)
   /* Always cleanup. Even if there nht==0. There may be savepoints. */
   if (is_real_trans)
     thd->transaction.cleanup();
-#endif /* USING_TRANSACTIONS */
   if (all)
     thd->transaction_rollback_request= FALSE;
 
@@ -1386,7 +1384,7 @@ int ha_rollback_trans(THD *thd, bool all)
 int ha_autocommit_or_rollback(THD *thd, int error)
 {
   DBUG_ENTER("ha_autocommit_or_rollback");
-#ifdef USING_TRANSACTIONS
+
   if (thd->transaction.stmt.ha_list)
   {
     if (!error)
@@ -1404,7 +1402,6 @@ int ha_autocommit_or_rollback(THD *thd, int error)
     thd->variables.tx_isolation=thd->session_tx_isolation;
   }
   else
-#endif
   {
     if (!error)
       RUN_HOOK(transaction, after_commit, (thd, FALSE));
@@ -1812,7 +1809,7 @@ int ha_savepoint(THD *thd, SAVEPOINT *sv)
                                         &thd->transaction.all);
   Ha_trx_info *ha_info= trans->ha_list;
   DBUG_ENTER("ha_savepoint");
-#ifdef USING_TRANSACTIONS
+
   for (; ha_info; ha_info= ha_info->next())
   {
     int err;
@@ -1836,7 +1833,7 @@ int ha_savepoint(THD *thd, SAVEPOINT *sv)
     engines are prepended to the beginning of the list.
   */
   sv->ha_list= trans->ha_list;
-#endif /* USING_TRANSACTIONS */
+
   DBUG_RETURN(error);
 }