fixed mechanism of detection selection from table wich we update

(BUG##9398, BUG#8703)
fixed wrong join view detection in multi-delete which lead to server crash


mysql-test/r/lowercase_view.result:
  added new tests of updation and selection from the same table
mysql-test/r/view.result:
  added new tests of updation and selection from the same table
  added test of multidelete command over join view which lead to server crash
  test suite from bugs #9398 and #8703
mysql-test/t/lowercase_view.test:
  added new tests of updation and selection from the same table
mysql-test/t/view.test:
  added new tests of updation and selection from the same table
  added test of multidelete command over join view which lead to server crash
  test suite from bugs #9398 and #8703
sql/sql_base.cc:
  changed procedure of finding tables
sql/sql_class.cc:
  added derived table procession detection
sql/sql_class.h:
  added derived table procession detection
sql/sql_delete.cc:
  fixed detection of selection from table which update for multidelete
sql/sql_derived.cc:
  added derived table procession detection
sql/sql_lex.cc:
  added detection os SELECTs processed inside derived tables
  removed old mechanism of multidelete/multiupdate table duplication detection (which can't work with views)
sql/sql_lex.h:
  added detection os SELECTs processed inside derived tables
  removed old mechanism of multidelete/multiupdate table duplication detection (which can't work with views)
sql/sql_parse.cc:
  removed wrong test of join view (for multidelete in can be not only first table)
sql/sql_prepare.cc:
  added detection os SELECTs processed inside derived tables (reset it for reusing in PS/SP)
sql/sql_select.cc:
  added detection os SELECTs processed inside derived tables
sql/sql_update.cc:
  fixed detection of selection from table which update for multiupdate

1 files changed, 2 insertions, 3 deletions

diff --git a/sql/sql_lex.h b/sql/sql_lex.h
index 00e30bd320b..92d77520f7f 100644
--- a/sql/sql_lex.h
+++ b/sql/sql_lex.h
@@ -442,7 +442,6 @@ public:
   inline void unclean() { cleaned= 0; }
   void reinit_exec_mechanism();
 
-  bool check_updateable(char *db, char *table);
   void print(String *str);
 
   ulong init_prepare_fake_select_lex(THD *thd);
@@ -525,6 +524,8 @@ public:
   bool first_cond_optimization;
   /* do not wrap view fields with Item_ref */
   bool no_wrap_view_item;
+  /* exclude this select from check of unique_table() */
+  bool exclude_from_table_unique_test;
 
   /* 
      SELECT for SELECT command st_select_lex. Used to privent scaning
@@ -615,8 +616,6 @@ public:
     init_select();
   }
   bool setup_ref_array(THD *thd, uint order_group_num);
-  bool check_updateable(char *db, char *table);
-  bool check_updateable_in_subqueries(char *db, char *table);
   void print(THD *thd, String *str);
   static void print_order(String *str, ORDER *order);
   void print_limit(THD *thd, String *str);