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new SELECT_LEX structures used for storing global ORDER BY, global LIMIT & limit counters

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mysql-test/r/union.result:
  correct result of union explain command
This commit is contained in:
unknown
2002-05-08 23:14:40 +03:00
parent 2c62a868a6
commit 6ff06df233
15 changed files with 208 additions and 181 deletions
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14
sql/sql_insert.cc
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@ -1266,10 +1266,11 @@ bool delayed_insert::handle_inserts(void)
***************************************************************************/
int
select_insert::prepare(List<Item> &values)
select_insert::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
{
DBUG_ENTER("select_insert::prepare");
unit= u;
save_time_stamp=table->time_stamp;
if (check_insert_fields(thd,table,*fields,values,1))
DBUG_RETURN(1);
@ -1302,9 +1303,9 @@ select_insert::~select_insert()
bool select_insert::send_data(List<Item> &values)
{
if (thd->offset_limit)
if (unit->offset_limit_cnt)
{ // using limit offset,count
thd->offset_limit--;
unit->offset_limit_cnt--;
return 0;
}
if (fields->elements)
@ -1380,10 +1381,11 @@ bool select_insert::send_eof()
***************************************************************************/
int
select_create::prepare(List<Item> &values)
select_create::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
{
DBUG_ENTER("select_create::prepare");
unit= u;
table=create_table_from_items(thd, create_info, db, name,
extra_fields, keys, &values, &lock);
if (!table)
@ -1413,9 +1415,9 @@ select_create::prepare(List<Item> &values)
bool select_create::send_data(List<Item> &values)
{
if (thd->offset_limit)
if (unit->offset_limit_cnt)
{ // using limit offset,count
thd->offset_limit--;
unit->offset_limit_cnt--;
return 0;
}
fill_record(field,values);