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Code Activity

subselect transformation moved in after-fix_field place

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removed "of is null" if it is possible
  (this cset should be SCRUM related, but not approved as scrum task yet)


mysql-test/r/subselect.result:
  new subselect test result (new place of error detecting & and more subselect reducing)
sql/item.cc:
  layout fix
sql/item.h:
  unneed ';'
  fixed print pethod
sql/item_cmpfunc.cc:
  new method to support transformation after fix_fields
sql/item_cmpfunc.h:
  new method to support transformation after fix_fields
  fixed Item printing
sql/item_subselect.cc:
  new transformation
sql/item_subselect.h:
  new transformation
sql/sql_derived.cc:
  'table' & 'table_list' now is not union
sql/sql_lex.cc:
  'table' & 'table_list' now is not union to support reinit only shared tables (but all)
sql/sql_lex.h:
  mark fake st_select_lex
sql/sql_olap.cc:
  fixed table assignment
  TODO added
sql/sql_select.cc:
  'table' & 'table_list' now is not union
  transforming subselect
sql/sql_union.cc:
  prepare make on fix_fields
sql/sql_yacc.yy:
  fixed layout
sql/table.h:
  'table & 'table_list' now is different fields
This commit is contained in:
unknown
2003-05-14 21:51:33 +03:00
parent 79c53934be
commit a32b868c3b
15 changed files with 439 additions and 311 deletions
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16
sql/sql_select.cc
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@ -201,7 +201,8 @@ void relink_tables(SELECT_LEX *select_lex)
for (TABLE_LIST *cursor= (TABLE_LIST *) select_lex->table_list.first;
cursor;
cursor=cursor->next)
cursor->table= cursor->table_list->table;
if (cursor->table_list)
cursor->table= cursor->table_list->table;
}
@ -314,6 +315,19 @@ JOIN::prepare(Item ***rref_pointer_array,
having->split_sum_func(ref_pointer_array, all_fields);
}
// Is it subselect
{
Item_subselect *subselect;
if ((subselect= select_lex->master_unit()->item) &&
!select_lex->fake_select)
{
Item_subselect::trans_res res;
if ((res= subselect->select_transformer(thd, this)) !=
Item_subselect::OK)
DBUG_RETURN((res == Item_subselect::ERROR));
}
}
if (setup_ftfuncs(select_lex)) /* should be after having->fix_fields */
DBUG_RETURN(-1);
/*