Merge

sql/sql_parse.cc:
  Auto merged
sql/sql_union.cc:
  SCCS merged

mysql-test/r/type_set.result

@@ -13,3 +13,5 @@ t1	CREATE TABLE `t1` (
   `a` set('','a','b') NOT NULL default 'b'
 ) TYPE=MyISAM CHARSET=latin1
 drop table t1;
+CREATE TABLE t1 (   user varchar(64) NOT NULL default '',   path varchar(255) NOT NULL default '',   privilege   set('select','RESERVED30','RESERVED29','RESERVED28','RESERVED27','RESERVED26',   'RESERVED25','RESERVED24','data.delete','RESERVED22','RESERVED21',   'RESERVED20','data.insert.none','data.insert.approve',   'data.insert.delete','data.insert.move','data.insert.propose',   'data.insert.reject','RESERVED13','RESERVED12','RESERVED11','RESERVED10',   'RESERVED09','data.update','RESERVED07','RESERVED06','RESERVED05',   'RESERVED04','metadata.delete','metadata.put','RESERVED01','RESERVED00')   NOT NULL default '',   KEY user (user)   ) TYPE=MyISAM CHARSET=utf8;
+DROP TABLE t1;

mysql-test/t/type_set.test

@@ -12,3 +12,5 @@ drop table t1;
 create table t1 (a set (' ','a','b ') not null default 'b ');
 show create table t1;
 drop table t1;
+CREATE TABLE t1 (   user varchar(64) NOT NULL default '',   path varchar(255) NOT NULL default '',   privilege   set('select','RESERVED30','RESERVED29','RESERVED28','RESERVED27','RESERVED26',   'RESERVED25','RESERVED24','data.delete','RESERVED22','RESERVED21',   'RESERVED20','data.insert.none','data.insert.approve',   'data.insert.delete','data.insert.move','data.insert.propose',   'data.insert.reject','RESERVED13','RESERVED12','RESERVED11','RESERVED10',   'RESERVED09','data.update','RESERVED07','RESERVED06','RESERVED05',   'RESERVED04','metadata.delete','metadata.put','RESERVED01','RESERVED00')   NOT NULL default '',   KEY user (user)   ) TYPE=MyISAM CHARSET=utf8;
+DROP TABLE t1;

sql/sql_parse.cc

@@ -4038,7 +4038,8 @@ bool add_field_to_list(THD *thd, char *field_name, enum_field_types type,
     }
   }
 
-  if (new_field->length > MAX_FIELD_CHARLENGTH ||
+  if ((new_field->length > MAX_FIELD_CHARLENGTH && type != FIELD_TYPE_SET && 
+       type != FIELD_TYPE_ENUM) ||
       (!new_field->length && !(new_field->flags & BLOB_FLAG) &&
        type != FIELD_TYPE_STRING &&
        type != FIELD_TYPE_VAR_STRING && type != FIELD_TYPE_GEOMETRY))

sql/sql_union.cc

@@ -123,7 +123,7 @@ int st_select_lex_unit::prepare(THD *thd, select_result *sel_result,
     DBUG_RETURN(0);
   prepared= 1;
   res= 0;
-  found_rows_for_union= 0;
+  found_rows_for_union= first_select_in_union()->options & OPTION_FOUND_ROWS;
   TMP_TABLE_PARAM tmp_table_param;
   result= sel_result;
   t_and_f= tables_and_fields_initied;
@@ -131,13 +131,6 @@ int st_select_lex_unit::prepare(THD *thd, select_result *sel_result,
   bzero((char *)&tmp_table_param,sizeof(TMP_TABLE_PARAM));
   thd->lex.current_select= select_cursor= first_select_in_union();
   /* Global option */
-  if (((void*)(global_parameters)) == ((void*)this))
-  {
-    found_rows_for_union= first_select()->options & OPTION_FOUND_ROWS && 
-      global_parameters->select_limit;
-    if (found_rows_for_union)
-      first_select()->options&=  ~OPTION_FOUND_ROWS;
-  }
   if (t_and_f)
   {
     // Item list and tables will be initialized by mysql_derived
@@ -245,6 +238,7 @@ int st_select_lex_unit::exec()
 {
   SELECT_LEX *lex_select_save= thd->lex.current_select;
   SELECT_LEX *select_cursor=first_select_in_union();
+  unsigned int add_rows=0;
   DBUG_ENTER("st_select_lex_unit::exec");
 
   if (executed && !(dependent || uncacheable))
@@ -261,6 +255,7 @@ int st_select_lex_unit::exec()
     }
     for (SELECT_LEX *sl= select_cursor; sl; sl= sl->next_select())
     {
+      unsigned int rows;
       thd->lex.current_select= sl;
 
       if (optimized)
@@ -273,6 +268,11 @@ int st_select_lex_unit::exec()
 	  select_limit_cnt= HA_POS_ERROR;		// no limit
 	if (select_limit_cnt == HA_POS_ERROR)
 	  sl->options&= ~OPTION_FOUND_ROWS;
+	else if (found_rows_for_union)
+	{
+	  rows= thd->select_limit;
+	  sl->options|= OPTION_FOUND_ROWS;
+	}
 	
 	/* 
 	   As far as union share table space we should reassign table map,
@@ -313,6 +313,8 @@ int st_select_lex_unit::exec()
 	thd->lex.current_select= lex_select_save;
 	DBUG_RETURN(res);
       }
+      if (found_rows_for_union  && !sl->braces && sl->options & OPTION_FOUND_ROWS)
+	add_rows+= (thd->limit_found_rows > rows) ?  thd->limit_found_rows - rows : 0;
     }
   }
   optimized= 1;
@@ -328,15 +330,17 @@ int st_select_lex_unit::exec()
     if (!thd->is_fatal_error)			// Check if EOM
     {
       thd->lex.current_select= fake_select_lex;
-      offset_limit_cnt= (select_cursor->braces ?
-			 global_parameters->offset_limit : 0);
-      select_limit_cnt= (select_cursor->braces ?
-			 global_parameters->select_limit+
-			 global_parameters->offset_limit : HA_POS_ERROR);
+      if (select_cursor->braces)
+      {
+	offset_limit_cnt= global_parameters->offset_limit;
+	select_limit_cnt= global_parameters->select_limit +  global_parameters->offset_limit;
 	if (select_limit_cnt < global_parameters->select_limit)
 	  select_limit_cnt= HA_POS_ERROR;		// no limit
+      }
       if (select_limit_cnt == HA_POS_ERROR)
 	thd->options&= ~OPTION_FOUND_ROWS;
+      else if (found_rows_for_union && !describe)
+	thd->options|= OPTION_FOUND_ROWS;
       fake_select_lex->ftfunc_list= &empty_list;
       fake_select_lex->table_list.link_in_list((byte *)&result_table_list,
 					       (byte **)
@@ -374,7 +378,11 @@ int st_select_lex_unit::exec()
 			thd->options | SELECT_NO_UNLOCK,
 			result, this, fake_select_lex, 0);
       if (found_rows_for_union && !res)
-	thd->limit_found_rows = (ulonglong)table->file->records;
+      {
+	thd->limit_found_rows= table->file->records;
+	if (!select_cursor->braces)
+	  thd->limit_found_rows+= add_rows;
+      }
       /*
 	Mark for slow query log if any of the union parts didn't use
 	indexes efficiently