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

into  rakia.gmz:/home/kgeorge/mysql/autopush/B25831-5.0-opt


sql/item.h:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_prepare.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged

mysql-test/r/insert_update.result

@@ -219,3 +219,20 @@ SELECT * FROM t1;
 a	b
 45	2
 DROP TABLE t1;
+CREATE TABLE t1 (i INT PRIMARY KEY, j INT);
+INSERT INTO t1 SELECT 1, j;
+ERROR 42S22: Unknown column 'j' in 'field list'
+DROP TABLE t1;
+CREATE TABLE t1 (i INT PRIMARY KEY, j INT);
+CREATE TABLE t2 (a INT, b INT);
+CREATE TABLE t3 (a INT, c INT);
+INSERT INTO t1 SELECT 1, a FROM t2 NATURAL JOIN t3 
+ON DUPLICATE KEY UPDATE j= a;
+DROP TABLE t1,t2,t3;
+CREATE TABLE t1 (i INT PRIMARY KEY, j INT);
+CREATE TABLE t2 (a INT);
+INSERT INTO t1 VALUES (1, 1);
+INSERT INTO t2 VALUES (1), (3);
+INSERT INTO t1 SELECT 1, COUNT(*) FROM t2 ON DUPLICATE KEY UPDATE j= a;
+ERROR 42S22: Unknown column 'a' in 'field list'
+DROP TABLE t1,t2;

mysql-test/t/insert_update.test

@@ -139,3 +139,26 @@ INSERT INTO t1 VALUES (45, 1) ON DUPLICATE KEY UPDATE b =
 SELECT * FROM t1;
 
 DROP TABLE t1;
+
+#
+# Bug#25831: Deficiencies in INSERT ... SELECT ... field name resolving.
+#
+CREATE TABLE t1 (i INT PRIMARY KEY, j INT);
+--error ER_BAD_FIELD_ERROR
+INSERT INTO t1 SELECT 1, j;
+DROP TABLE t1;
+
+CREATE TABLE t1 (i INT PRIMARY KEY, j INT);
+CREATE TABLE t2 (a INT, b INT);
+CREATE TABLE t3 (a INT, c INT);
+INSERT INTO t1 SELECT 1, a FROM t2 NATURAL JOIN t3 
+  ON DUPLICATE KEY UPDATE j= a;
+DROP TABLE t1,t2,t3;
+
+CREATE TABLE t1 (i INT PRIMARY KEY, j INT);
+CREATE TABLE t2 (a INT);
+INSERT INTO t1 VALUES (1, 1);
+INSERT INTO t2 VALUES (1), (3);
+--error ER_BAD_FIELD_ERROR
+INSERT INTO t1 SELECT 1, COUNT(*) FROM t2 ON DUPLICATE KEY UPDATE j= a;
+DROP TABLE t1,t2;

sql/item.h

@@ -325,10 +325,10 @@ class Name_resolution_context_state
   TABLE_LIST *save_first_name_resolution_table;
   TABLE_LIST *save_next_name_resolution_table;
   bool        save_resolve_in_select_list;
+  TABLE_LIST *save_next_local;
 
 public:
   Name_resolution_context_state() {}          /* Remove gcc warning */
-  TABLE_LIST *save_next_local;
 
 public:
   /* Save the state of a name resolution context. */
@@ -350,6 +350,11 @@ class Name_resolution_context_state
     context->first_name_resolution_table=  save_first_name_resolution_table;
     context->resolve_in_select_list=       save_resolve_in_select_list;
   }
+
+  TABLE_LIST *get_first_name_resolution_table()
+  {
+    return save_first_name_resolution_table;
+  }
 };
 
 /*************************************************************************/

sql/sql_base.cc

@@ -4527,21 +4527,8 @@ bool setup_tables(THD *thd, Name_resolution_context *context,
   uint tablenr= 0;
   DBUG_ENTER("setup_tables");
 
-  /*
-    Due to the various call paths that lead to setup_tables() it may happen
-    that context->table_list and context->first_name_resolution_table can be
-    NULL (this is typically done when creating TABLE_LISTs internally).
-    TODO:
-    Investigate all cases when this my happen, initialize the name resolution
-    context correctly in all those places, and remove the context reset below.
-  */
-  if (!context->table_list || !context->first_name_resolution_table)
-  {
-    /* Test whether the context is in a consistent state. */
-    DBUG_ASSERT(!context->first_name_resolution_table && !context->table_list);
-    context->table_list= context->first_name_resolution_table= tables;
-  }
-
+  DBUG_ASSERT ((select_insert && !tables->next_name_resolution_table) || !tables || 
+               (context->table_list && context->first_name_resolution_table));
   /*
     this is used for INSERT ... SELECT.
     For select we setup tables except first (and its underlying tables)

sql/sql_help.cc

@@ -656,6 +656,8 @@ bool mysqld_help(THD *thd, const char *mask)
     Init tables and fields to be usable from items
     tables do not contain VIEWs => we can pass 0 as conds
   */
+  thd->lex->select_lex.context.table_list= 
+    thd->lex->select_lex.context.first_name_resolution_table= &tables[0];
   setup_tables(thd, &thd->lex->select_lex.context,
                &thd->lex->select_lex.top_join_list,
                tables, 0, &leaves, FALSE);

sql/sql_insert.cc

@@ -966,6 +966,8 @@ bool mysql_prepare_insert(THD *thd, TABLE_LIST *table_list,
   DBUG_PRINT("enter", ("table_list 0x%lx, table 0x%lx, view %d",
 		       (ulong)table_list, (ulong)table,
 		       (int)insert_into_view));
+  /* INSERT should have a SELECT or VALUES clause */
+  DBUG_ASSERT (!select_insert || !values);
 
   /*
     For subqueries in VALUES() we should not see the table in which we are
@@ -998,44 +1000,40 @@ bool mysql_prepare_insert(THD *thd, TABLE_LIST *table_list,
                                        select_insert))
     DBUG_RETURN(TRUE);
 
-  /* Save the state of the current name resolution context. */
-  ctx_state.save_state(context, table_list);
-
-  /*
-    Perform name resolution only in the first table - 'table_list',
-    which is the table that is inserted into.
-  */
-  table_list->next_local= 0;
-  context->resolve_in_table_list_only(table_list);
 
   /* Prepare the fields in the statement. */
-  if (values &&
-      !(res= check_insert_fields(thd, context->table_list, fields, *values,
-                                 !insert_into_view, &map) ||
-        setup_fields(thd, 0, *values, 0, 0, 0)) &&
-      duplic == DUP_UPDATE)
+  if (values)
   {
-    select_lex->no_wrap_view_item= TRUE;
-    res= check_update_fields(thd, context->table_list, update_fields, &map);
-    select_lex->no_wrap_view_item= FALSE;
+    /* if we have INSERT ... VALUES () we cannot have a GROUP BY clause */
+    DBUG_ASSERT (!select_lex->group_list.elements);
+
+    /* Save the state of the current name resolution context. */
+    ctx_state.save_state(context, table_list);
+
     /*
-      When we are not using GROUP BY we can refer to other tables in the
-      ON DUPLICATE KEY part.
-    */       
-    if (select_lex->group_list.elements == 0)
+      Perform name resolution only in the first table - 'table_list',
+      which is the table that is inserted into.
+     */
+    table_list->next_local= 0;
+    context->resolve_in_table_list_only(table_list);
+
+    if (!(res= check_insert_fields(thd, context->table_list, fields, *values,
+                                 !insert_into_view, &map) ||
+          setup_fields(thd, 0, *values, 0, 0, 0)) 
+        && duplic == DUP_UPDATE)
     {
-      context->table_list->next_local=       ctx_state.save_next_local;
-      /* first_name_resolution_table was set by resolve_in_table_list_only() */
-      context->first_name_resolution_table->
-        next_name_resolution_table=          ctx_state.save_next_local;
+      select_lex->no_wrap_view_item= TRUE;
+      res= check_update_fields(thd, context->table_list, update_fields, &map);
+      select_lex->no_wrap_view_item= FALSE;
     }
+
+    /* Restore the current context. */
+    ctx_state.restore_state(context, table_list);
+
     if (!res)
       res= setup_fields(thd, 0, update_values, 1, 0, 0);
   }
 
-  /* Restore the current context. */
-  ctx_state.restore_state(context, table_list);
-
   if (res)
     DBUG_RETURN(res);
 
@@ -2361,7 +2359,6 @@ select_insert::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
 
   if (info.handle_duplicates == DUP_UPDATE)
   {
-    /* Save the state of the current name resolution context. */
     Name_resolution_context *context= &lex->select_lex.context;
     Name_resolution_context_state ctx_state;
 
@@ -2377,16 +2374,20 @@ select_insert::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
                                     *info.update_fields, &map);
     lex->select_lex.no_wrap_view_item= FALSE;
     /*
-      When we are not using GROUP BY we can refer to other tables in the
-      ON DUPLICATE KEY part
+      When we are not using GROUP BY and there are no ungrouped aggregate functions 
+      we can refer to other tables in the ON DUPLICATE KEY part.
+      We use next_name_resolution_table descructively, so check it first (views?)
     */       
-    if (lex->select_lex.group_list.elements == 0)
-    {
-      context->table_list->next_local=       ctx_state.save_next_local;
-      /* first_name_resolution_table was set by resolve_in_table_list_only() */
-      context->first_name_resolution_table->
-        next_name_resolution_table=          ctx_state.save_next_local;
-    }
+    DBUG_ASSERT (!table_list->next_name_resolution_table);
+    if (lex->select_lex.group_list.elements == 0 &&
+        !lex->select_lex.with_sum_func)
+      /*
+        We must make a single context out of the two separate name resolution contexts :
+        the INSERT table and the tables in the SELECT part of INSERT ... SELECT.
+        To do that we must concatenate the two lists
+      */  
+      table_list->next_name_resolution_table= ctx_state.get_first_name_resolution_table();
+
     res= res || setup_fields(thd, 0, *info.update_values, 1, 0, 0);
     if (!res)
     {

sql/sql_prepare.cc

@@ -1571,21 +1571,16 @@ static bool mysql_test_multidelete(Prepared_statement *stmt,
 
 static bool mysql_insert_select_prepare_tester(THD *thd)
 {
-  TABLE_LIST *first;
-  bool res;
   SELECT_LEX *first_select= &thd->lex->select_lex;
+  TABLE_LIST *second_table= ((TABLE_LIST*)first_select->table_list.first)->
+    next_local;
+
   /* Skip first table, which is the table we are inserting in */
-  first_select->table_list.first= (byte*)(first=
-                                          ((TABLE_LIST*)first_select->
-                                           table_list.first)->next_local);
-  res= mysql_insert_select_prepare(thd);
-  /*
-    insert/replace from SELECT give its SELECT_LEX for SELECT,
-    and item_list belong to SELECT
-  */
-  thd->lex->select_lex.context.resolve_in_select_list= TRUE;
-  thd->lex->select_lex.context.table_list= first;
-  return res;
+  first_select->table_list.first= (byte *) second_table;
+  thd->lex->select_lex.context.table_list=
+    thd->lex->select_lex.context.first_name_resolution_table= second_table;
+
+  return mysql_insert_select_prepare(thd);
 }
 
 

sql/sql_union.cc

@@ -147,6 +147,8 @@ st_select_lex_unit::init_prepare_fake_select_lex(THD *thd)
   fake_select_lex->table_list.link_in_list((byte *)&result_table_list,
 					   (byte **)
 					   &result_table_list.next_local);
+  fake_select_lex->context.table_list= fake_select_lex->context.first_name_resolution_table= 
+    fake_select_lex->get_table_list();
   for (ORDER *order= (ORDER *)global_parameters->order_list.first;
        order;
        order=order->next)

sql/sql_yacc.yy

@@ -4188,8 +4188,13 @@ select_into:
 	| select_from into;
 
 select_from:
-	  FROM join_table_list where_clause group_clause having_clause
+        FROM join_table_list where_clause group_clause having_clause
 	       opt_order_clause opt_limit_clause procedure_clause
+          {
+            Select->context.table_list=
+              Select->context.first_name_resolution_table= 
+                (TABLE_LIST *) Select->table_list.first;
+          }
         | FROM DUAL_SYM where_clause opt_limit_clause
           /* oracle compatibility: oracle always requires FROM clause,
              and DUAL is system table without fields.