After merge fixes

Note: The following tests fails
- fulltext (Sergei has promised to fix)
- rpl_charset (Guilhem should fix)
- rpl_timezone (Dimitray has promised to fix)

Sanja needs to check out the calling of close_thread_tables() in sp_head.cc


myisam/mi_check.c:
  After merge fix
myisam/sort.c:
  After merge fix
mysql-test/mysql-test-run.sh:
  Export master socket to mysqltest
mysql-test/r/func_group.result:
  Make result repeatable
mysql-test/r/mysqlbinlog.result:
  After merge fix
mysql-test/r/ps_1general.result:
  After merge fix
mysql-test/r/ps_2myisam.result:
  After merge fix
mysql-test/r/ps_3innodb.result:
  After merge fix
mysql-test/r/ps_4heap.result:
  After merge fix
mysql-test/r/ps_5merge.result:
  After merge fix
mysql-test/r/ps_6bdb.result:
  After merge fix
mysql-test/r/rpl_flush_log_loop.result:
  After merge fix
mysql-test/r/rpl_replicate_do.result:
  After merge fix
mysql-test/r/rpl_temporary.result:
  After merge fix
mysql-test/r/rpl_timezone.result:
  After merge fix
  Note that this test fails now (Dimitry has promised to fix this)
mysql-test/r/rpl_user_variables.result:
  After merge fix
mysql-test/r/select.result:
  After merge fix
mysql-test/r/sp-error.result:
  After merge fix
mysql-test/r/sp-security.result:
  After merge fix
mysql-test/r/sp.result:
  After merge fix
mysql-test/r/user_var.result:
  After merge fix
mysql-test/r/variables.result:
  After merge fix
mysql-test/t/alter_table.test:
  After merge fix
mysql-test/t/derived.test:
  After merge fix
mysql-test/t/func_group.test:
  Make result repeatable
mysql-test/t/grant_cache.test:
  Use MASTER_MYSOCK instead of master.sock
mysql-test/t/multi_update.test:
  Use MASTER_MYSOCK instead of master.sock
mysql-test/t/rpl000015.test:
  Use MASTER_MYSOCK instead of master.sock
mysql-test/t/rpl000017.test:
  Use MASTER_MYSOCK instead of master.sock
mysql-test/t/rpl000018.test:
  Use MASTER_MYSOCK instead of master.sock
mysql-test/t/rpl_charset.test:
  After merge fix
mysql-test/t/rpl_heap.test:
  Use MASTER_MYSOCK instead of master.sock
mysql-test/t/rpl_rotate_logs.test:
  Use MASTER_MYSOCK instead of master.sock
mysql-test/t/sp-error.test:
  after merge fix
mysql-test/t/sp-security.test:
  after merge fix
mysql-test/t/user_var.test:
  after merge fix
scripts/mysql_fix_privilege_tables.sh:
  This can now be exectued from the source distribution
sql/handler.cc:
  Cleanup
sql/handler.h:
  More debugging
sql/item.h:
  Indentation fixes
sql/item_cmpfunc.cc:
  After merge fixes
sql/opt_range.cc:
  After merge fixes
sql/opt_range.h:
  After merge fixes
sql/sp.cc:
  After merge fixes
sql/sp_head.cc:
  Remove closing of thread tables in a SP function as this caused a core dump.
  (Has to be fixed better)
sql/sql_base.cc:
  More debugging
sql/sql_handler.cc:
  After merge fixes
  (We have to call ha_index_or_rnd_end() before calling close_thread_table())
sql/sql_parse.cc:
  More debugging
sql/sql_prepare.cc:
  After merge fixes
sql/sql_select.cc:
  After merge fixes

1 files changed, 15 insertions, 5 deletions

diff --git a/sql/sql_prepare.cc b/sql/sql_prepare.cc
index eeaa40f1a75..23c5a302190 100644
--- a/sql/sql_prepare.cc
+++ b/sql/sql_prepare.cc
@@ -1647,10 +1647,17 @@ int mysql_stmt_prepare(THD *thd, char *packet, uint packet_length,
     /* error is sent inside yyparse/send_prepare_results */
   }
   else
-   stmt->setup_set_params();
-
+  {
+    stmt->setup_set_params();
+    SELECT_LEX *sl= stmt->lex->all_selects_list;
+    /*
+      Save WHERE clause pointers, because they may be changed during query
+      optimisation.
+    */
+    for (; sl; sl= sl->next_select_in_list())
+      sl->prep_where= sl->where;
+  }
   DBUG_RETURN(!stmt);
-
 }
 
 /* Reinit statement before execution */
@@ -1839,7 +1846,9 @@ void mysql_sql_stmt_execute(THD *thd, LEX_STRING *stmt_name)
     my_error(ER_WRONG_ARGUMENTS, MYF(0), "EXECUTE");
     send_error(thd);
   }
+  thd->current_arena= stmt;
   execute_stmt(thd, stmt, &expanded_query, false);
+  thd->current_arena= 0;
   DBUG_VOID_RETURN;
 }
 
@@ -1885,12 +1894,13 @@ static void execute_stmt(THD *thd, Prepared_statement *stmt,
   if (!(specialflag & SPECIAL_NO_PRIOR))
     my_pthread_setprio(pthread_self(), WAIT_PRIOR);
 
-  /* Free Items that were created during this execution of the PS. */
-  free_items(thd->free_list);
   cleanup_items(stmt->free_list);
   reset_stmt_params(stmt);
   close_thread_tables(thd);                    // to close derived tables
   thd->set_statement(&thd->stmt_backup);
+  /* Free Items that were created during this execution of the PS. */
+  free_items(thd->free_list);
+  thd->free_list= 0;
   DBUG_VOID_RETURN;
 }