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Code Activity

UNION stuff mainly.

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sql/sql_class.h:
  Made some temporary changes for UNION's. Still waiting for Monty's 
  comments on this.
sql/sql_delete.cc:
  Added a comment as Monty suggested
sql/sql_parse.cc:
  Some speedups for UNIONs
sql/sql_unions.cc:
  First attempts at running UNION's. 
  
  Removed header temporarily because of some bug in my pre-processor.
This commit is contained in:
unknown
2001-07-11 14:06:41 +03:00
parent cdfc04fb08
commit 0eb9347a98
4 changed files with 101 additions and 33 deletions
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14
sql/sql_parse.cc
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@ -2445,13 +2445,13 @@ mysql_new_select(LEX *lex)
uint select_no=lex->select->select_number;
SELECT_LEX *select_lex = (SELECT_LEX *)sql_calloc(sizeof(SELECT_LEX));
lex->select->next=select_lex;
lex->select=select_lex; lex->select->select_number = ++select_no;
lex->select->item_list = lex->select_lex.item_list;
lex->select->item_list.empty();
lex->select->table_list = lex->select_lex.table_list;
lex->select->table_list.elements=0;
lex->select->table_list.first=0;
lex->select->table_list.next= (byte**) &lex->select->table_list.first;
lex->select=select_lex; select_lex->select_number = ++select_no;
select_lex->table_list.elements=0;
select_lex->table_list.first=0;
select_lex->table_list.next= (byte**) &select_lex->table_list.first;
select_lex->item_list.empty(); select_lex->when_list.empty();
select_lex->expr_list.empty(); select_lex->interval_list.empty();
select_lex->use_index.empty(); select_lex->ftfunc_list.empty();
}
void