removed old way to prevent using stack tables for caching Items in PS

fixed error code in union test


mysql-test/t/union.test:
  right code worr 4.1 error
sql/log_event.cc:
  assign non-cachable for Item status for all stack tables for safety
sql/repl_failsafe.cc:
  assign non-cachable for Item status for all stack tables for safety
sql/slave.cc:
  assign non-cachable for Item status for all stack tables for safety
sql/sql_acl.cc:
  assign non-cachable for Item status for all stack tables for safety
sql/sql_base.cc:
  assign non-cachable for Item status for all stack tables for safety
  non-cachable status processing
sql/sql_cache.cc:
  assign non-cachable for Item status for all stack tables for safety
sql/sql_class.cc:
  removed ald way to prevent using stack tables for caching Items in PS
sql/sql_class.h:
  removed old way to prevent using stack tables for caching Items in PS
sql/sql_help.cc:
  assign non-cachable for Item status for all stack tables for safety
sql/sql_insert.cc:
  assign non-cachable for Item status for all stack tables for safety
  removed old way to prevent using stack tables for caching Items in PS
sql/table.h:
  non-cachable for Item status for tables

1 files changed, 1 insertions, 1 deletions

diff --git a/mysql-test/t/union.test b/mysql-test/t/union.test
index eaa1415d41f..9866b867427 100644
--- a/mysql-test/t/union.test
+++ b/mysql-test/t/union.test
@@ -251,7 +251,7 @@ create temporary table t1 select a from t1 union select a from t2;
 drop temporary table t1;
 --error 1093
 create table t1 select a from t1 union select a from t2;
---error 1054
+--error 1109
 select a from t1 union select a from t2 order by t2.a;
 drop table t1,t2;