Merge tulin@bk-internal.mysql.com:/home/bk/mysql-5.0

into dl145b.mysql.com:/home/ndbdev/tomas/mysql-5.1


sql/item.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
storage/ndb/src/common/portlib/gcc.cpp:
  Auto merged
storage/ndb/src/common/util/new.cpp:
  Auto merged
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

BitKeeper/etc/logging_ok

@@ -32,6 +32,7 @@ bar@mysql.com
 bar@noter.intranet.mysql.r18.ru
 bell@51.0.168.192.in-addr.arpa
 bell@52.0.168.192.in-addr.arpa
+bell@book.sanja.is.com.ua
 bell@laptop.sanja.is.com.ua
 bell@sanja.is.com.ua
 bk@admin.bk
@@ -268,6 +269,7 @@ tonu@x153.internalnet
 tonu@x3.internalnet
 tsmith@build.mysql.com
 tulin@build.mysql.com
+tulin@dl145b.mysql.com
 tulin@mysql.com
 ulli@morbus.(none)
 venu@hundin.mysql.fi

cmd-line-utils/libedit/Makefile.am

@@ -22,7 +22,7 @@ libedit_a_DEPENDENCIES 	= 	@LIBEDIT_LOBJECTS@
 
 pkginclude_HEADERS =	readline/readline.h
 
-noinst_HEADERS =	chared.h el.h histedit.h key.h parse.h refresh.h sig.h \
+noinst_HEADERS =	chared.h el.h el_term.h histedit.h key.h parse.h refresh.h sig.h \
 			sys.h tokenizer.h config.h hist.h map.h prompt.h read.h \
 			search.h tty.h libedit_term.h
 

sql/item.cc

@@ -454,6 +454,7 @@ void Item_ident::cleanup()
   db_name= orig_db_name; 
   table_name= orig_table_name;
   field_name= orig_field_name;
+  depended_from= 0;
   DBUG_VOID_RETURN;
 }
 
@@ -2334,7 +2335,7 @@ bool Item_ref_null_helper::get_date(TIME *ltime, uint fuzzydate)
 */
 
 static void mark_as_dependent(THD *thd, SELECT_LEX *last, SELECT_LEX *current,
-			      Item_ident *resolved_item,
+                              Item_ident *resolved_item,
                               Item_ident *mark_item)
 {
   const char *db_name= (resolved_item->db_name ?
@@ -2359,6 +2360,71 @@ static void mark_as_dependent(THD *thd, SELECT_LEX *last, SELECT_LEX *current,
 }
 
 
+/*
+  Mark range of selects and resolved identifier (field/reference) item as
+  dependent
+
+  SYNOPSIS
+    mark_select_range_as_dependent()
+    thd           - thread handler
+    last_select   - select where resolved_item was resolved
+    current_sel   - current select (select where resolved_item was placed)
+    found_field   - field which was found during resolving
+    found_item    - Item which was found during resolving (if resolved
+                    identifier belongs to VIEW)
+    resolved_item - Identifier which was resolved
+
+  NOTE:
+    We have to mark all items between current_sel (including) and
+    last_select (excluding) as dependend (select before last_select should
+    be marked with actual table mask used by resolved item, all other with
+    OUTER_REF_TABLE_BIT) and also write dependence information to Item of
+    resolved identifier.
+*/
+
+void mark_select_range_as_dependent(THD *thd,
+                                    SELECT_LEX *last_select,
+                                    SELECT_LEX *current_sel,
+                                    Field *found_field, Item *found_item,
+                                    Item_ident *resolved_item)
+{
+  /*
+    Go from current SELECT to SELECT where field was resolved (it
+    have to be reachable from current SELECT, because it was already
+    done once when we resolved this field and cached result of
+    resolving)
+  */
+  SELECT_LEX *previous_select= current_sel;
+  for(;
+      previous_select->outer_select() != last_select;
+      previous_select= previous_select->outer_select())
+  {
+    Item_subselect *prev_subselect_item=
+      previous_select->master_unit()->item;
+    prev_subselect_item->used_tables_cache|= OUTER_REF_TABLE_BIT;
+    prev_subselect_item->const_item_cache= 0;
+  }
+  {
+    Item_subselect *prev_subselect_item=
+      previous_select->master_unit()->item;
+    Item_ident *dependent= resolved_item;
+    if (found_field == view_ref_found)
+    {
+      Item::Type type= found_item->type();
+      prev_subselect_item->used_tables_cache|=
+        found_item->used_tables();
+      dependent= ((type == Item::REF_ITEM || type == Item::FIELD_ITEM) ?
+                  (Item_ident*) found_item :
+                  0);
+    }
+    else
+      prev_subselect_item->used_tables_cache|=
+        found_field->table->map;
+    prev_subselect_item->const_item_cache= 0;
+    mark_as_dependent(thd, last_select, current_sel, resolved_item,
+                      dependent);
+  }
+}
 
 
 /*

sql/item.h

@@ -1800,6 +1800,12 @@ public:
   static enum_field_types get_real_type(Item *);
 };
 
+class st_select_lex;
+void mark_select_range_as_dependent(THD *thd,
+                                    st_select_lex *last_select,
+                                    st_select_lex *current_sel,
+                                    Field *found_field, Item *found_item,
+                                    Item_ident *resolved_item);
 
 extern Item_buff *new_Item_buff(Item *item);
 extern Item_result item_cmp_type(Item_result a,Item_result b);

sql/item_subselect.h

@@ -122,6 +122,9 @@ public:
   friend bool Item_field::fix_fields(THD *, TABLE_LIST *, Item **);
   friend bool Item_ref::fix_fields(THD *, TABLE_LIST *, Item **);
   friend bool Item_param::fix_fields(THD *, TABLE_LIST *, Item **);
+  friend void mark_select_range_as_dependent(THD*,
+                                             st_select_lex*, st_select_lex*,
+                                             Field*, Item*, Item_ident*);
 };
 
 /* single value subselect */

sql/opt_range.cc

@@ -5513,14 +5513,26 @@ bool QUICK_ROR_UNION_SELECT::check_if_keys_used(List<Item> *fields)
 }
 
 
-/****************************************************************************
-  Create a QUICK RANGE based on a key
-  This allocates things in a new memory root, as this may be called many times
-  during a query.
-****************************************************************************/
+/*
+  Create quick select from ref/ref_or_null scan.
+  SYNOPSIS
+    get_quick_select_for_ref()
+      thd      Thread handle
+      table    Table to access
+      ref      ref[_or_null] scan parameters
+      records  Estimate of number of records (needed only to construct 
+               quick select)
+  NOTES
+    This allocates things in a new memory root, as this may be called many
+    times during a query.
+  
+  RETURN 
+    Quick select that retrieves the same rows as passed ref scan
+    NULL on error.
+*/
 
 QUICK_RANGE_SELECT *get_quick_select_for_ref(THD *thd, TABLE *table,
-                                             TABLE_REF *ref)
+                                             TABLE_REF *ref, ha_rows records)
 {
   MEM_ROOT *old_root= thd->mem_root;
   /* The following call may change thd->mem_root */
@@ -5537,6 +5549,7 @@ QUICK_RANGE_SELECT *get_quick_select_for_ref(THD *thd, TABLE *table,
     delete quick;
     goto err;
   }
+  quick->records= records;
 
   if (cp_buffer_from_ref(thd,ref) && thd->is_fatal_error ||
       !(range= new QUICK_RANGE()))

sql/opt_range.h

@@ -281,7 +281,8 @@ protected:
   friend class TRP_ROR_INTERSECT;
   friend
   QUICK_RANGE_SELECT *get_quick_select_for_ref(THD *thd, TABLE *table,
-                                               struct st_table_ref *ref);
+                                               struct st_table_ref *ref,
+                                               ha_rows records);
   friend bool get_quick_keys(struct st_qsel_param *param,
                              QUICK_RANGE_SELECT *quick,KEY_PART *key,
                              SEL_ARG *key_tree,
@@ -709,5 +710,6 @@ public:
 };
 
 QUICK_RANGE_SELECT *get_quick_select_for_ref(THD *thd, TABLE *table,
-                                             struct st_table_ref *ref);
+                                             struct st_table_ref *ref,
+                                             ha_rows records);
 #endif

sql/sql_base.cc

@@ -2689,6 +2689,17 @@ find_field_in_tables(THD *thd, Item_ident *item, TABLE_LIST *tables,
     {
       if (found == WRONG_GRANT)
 	return (Field*) 0;
+      {
+        SELECT_LEX *current_sel= thd->lex->current_select;
+        SELECT_LEX *last_select= item->cached_table->select_lex;
+        /*
+          If the field was an outer referencee, mark all selects using this
+          sub query as dependent of the outer query
+        */
+        if (current_sel != last_select)
+          mark_select_range_as_dependent(thd, last_select, current_sel,
+                                         found, *ref, item);
+      }
       return found;
     }
   }

sql/sql_select.cc

@@ -11002,7 +11002,8 @@ create_sort_index(THD *thd, JOIN *join, ORDER *order,
       */
       if (!(select->quick= (tab->type == JT_FT ?
 			    new FT_SELECT(thd, table, tab->ref.key) :
-			    get_quick_select_for_ref(thd, table, &tab->ref))))
+			    get_quick_select_for_ref(thd, table, &tab->ref, 
+                                                     tab->found_records))))
 	goto err;
     }
   }

storage/ndb/src/common/portlib/gcc.cpp

@@ -2,6 +2,6 @@
 /**
  * GCC linking problem...
  */
-#ifdef DEFINE_CXA_PURE_VIRTUAL
+#if 0
 extern "C" { int __cxa_pure_virtual() { return 0;} }
 #endif

storage/ndb/src/common/util/new.cpp

@@ -6,7 +6,7 @@ extern "C" {
   void (* ndb_new_handler)() = 0;
 }
 
-#ifdef USE_MYSYS_NEW
+#if 0
 
 void *operator new (size_t sz)
 {