fixed using 'uncachable' tag and RAND_TABLE_BIT setting

sql/item_create.cc:
  specify cause of uncachability
sql/item_func.cc:
  specify cause of uncachability
sql/item_subselect.cc:
  fixed setting RAND_TABLE_BIT
  specify cause of uncachability
sql/item_subselect.h:
  used one field for all uncachability causes
sql/mysql_priv.h:
  causes of uncachability
sql/sql_lex.cc:
  specify cause of uncachability
sql/sql_lex.h:
  used one field for all uncachability causes
sql/sql_select.cc:
  used one field for all uncachability causes
sql/sql_union.cc:
  used one field for all uncachability causes
sql/sql_yacc.yy:
  specify cause of uncachability

1 files changed, 5 insertions, 5 deletions

diff --git a/sql/item_create.cc b/sql/item_create.cc
index 0195f0c24bc..c46696dfabf 100644
--- a/sql/item_create.cc
+++ b/sql/item_create.cc
@@ -159,7 +159,7 @@ Item *create_func_from_days(Item* a)
 
 Item *create_func_get_lock(Item* a, Item *b)
 {
-  current_thd->lex.uncacheable();
+  current_thd->lex.uncacheable(UNCACHEABLE_UNCACHEABLE);
   return new Item_func_get_lock(a, b);
 }
 
@@ -324,7 +324,7 @@ Item *create_func_radians(Item *a)
 
 Item *create_func_release_lock(Item* a)
 {
-  current_thd->lex.uncacheable();
+  current_thd->lex.uncacheable(UNCACHEABLE_UNCACHEABLE);
   return new Item_func_release_lock(a);
 }
 
@@ -445,7 +445,7 @@ Item *create_func_year(Item* a)
 
 Item *create_load_file(Item* a)
 {
-  current_thd->lex.uncacheable();
+  current_thd->lex.uncacheable(UNCACHEABLE_UNCACHEABLE);
   return new Item_load_file(a);
 }
 
@@ -472,13 +472,13 @@ Item *create_func_cast(Item *a, Cast_target cast_type, int len,
 
 Item *create_func_is_free_lock(Item* a)
 {
-  current_thd->lex.uncacheable();
+  current_thd->lex.uncacheable(UNCACHEABLE_UNCACHEABLE);
   return new Item_func_is_free_lock(a);
 }
 
 Item *create_func_is_used_lock(Item* a)
 {
-  current_thd->lex.uncacheable();
+  current_thd->lex.uncacheable(UNCACHEABLE_UNCACHEABLE);
   return new Item_func_is_used_lock(a);
 }