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mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00

Merge abotchkov@work.mysql.com:/home/bk/mysql-4.1

into bisonxp.(none):/home/hf/work/mysql-4.1
This commit is contained in:
hf@bisonxp.(none)
2002-07-09 10:42:24 +05:00
43 changed files with 2488 additions and 436 deletions

View File

@ -211,6 +211,7 @@ JOIN::prepare(TABLE_LIST *tables_init,
proc_param= proc_param_init;
tables_list= tables_init;
select_lex= select;
select->join= this;
union_part= (unit->first_select()->next_select() != 0);
/* Check that all tables, fields, conds and order are ok */
@ -227,10 +228,9 @@ JOIN::prepare(TABLE_LIST *tables_init,
{
thd->where="having clause";
thd->allow_sum_func=1;
bool having_fix_field_store= thd->having_fix_field;
thd->having_fix_field= 1;
bool having_fix_rc= having->fix_fields(thd,tables_list);
thd->having_fix_field= having_fix_field_store;
select_lex->having_fix_field= 1;
bool having_fix_rc= having->fix_fields(thd, tables_list, &having);
select_lex->having_fix_field= 0;
if (having_fix_rc || thd->fatal_error)
DBUG_RETURN(-1); /* purecov: inspected */
if (having->with_sum_func)
@ -349,7 +349,7 @@ JOIN::optimize()
}
else if ((conds=new Item_cond_and(conds,having)))
{
conds->fix_fields(thd, tables_list);
conds->fix_fields(thd, tables_list, &conds);
conds->change_ref_to_fields(thd, tables_list);
having= 0;
}
@ -612,6 +612,15 @@ JOIN::reinit()
if (setup_tables(tables_list))
DBUG_RETURN(1);
// Reset of sum functions
first_record= 0;
if (sum_funcs)
{
Item_sum *func, **func_ptr= sum_funcs;
while ((func= *(func_ptr++)))
func->null_value= 1;
}
DBUG_RETURN(0);
}
@ -966,6 +975,21 @@ JOIN::cleanup(THD *thd)
delete select;
delete_dynamic(&keyuse);
delete procedure;
for (SELECT_LEX_UNIT *unit= select_lex->first_inner_unit();
unit != 0;
unit= unit->next_unit())
for (SELECT_LEX *sl= unit->first_select();
sl != 0;
sl= sl->next_select())
{
if (sl->join)
{
int err= sl->join->cleanup(thd);
if (err)
error= err;
sl->join= 0;
}
}
return error;
}
@ -3381,7 +3405,7 @@ remove_eq_conds(COND *cond,Item::cond_result *cond_value)
21))))
{
cond=new_cond;
cond->fix_fields(thd,0);
cond->fix_fields(thd, 0, &cond);
}
thd->insert_id(0); // Clear for next request
}
@ -3395,7 +3419,7 @@ remove_eq_conds(COND *cond,Item::cond_result *cond_value)
if ((new_cond= new Item_func_eq(args[0],new Item_int("0", 0, 2))))
{
cond=new_cond;
cond->fix_fields(thd,0);
cond->fix_fields(thd, 0, &cond);
}
}
}
@ -3523,7 +3547,7 @@ Field *create_tmp_field(THD *thd, TABLE *table,Item *item, Item::Type type,
case STRING_RESULT:
if (item_sum->max_length > 255)
return new Field_blob(item_sum->max_length,maybe_null,
item->name,table,item->binary);
item->name,table,item->binary,default_charset_info);
return new Field_string(item_sum->max_length,maybe_null,
item->name,table,item->binary,default_charset_info);
}
@ -3576,10 +3600,12 @@ Field *create_tmp_field(THD *thd, TABLE *table,Item *item, Item::Type type,
case STRING_RESULT:
if (item->max_length > 255)
new_field= new Field_blob(item->max_length,maybe_null,
item->name,table,item->binary);
item->name,table,item->binary,
item->str_value.charset());
else
new_field= new Field_string(item->max_length,maybe_null,
item->name,table,item->binary,default_charset_info);
item->name,table,item->binary,
item->str_value.charset());
break;
}
if (copy_func)
@ -4103,7 +4129,9 @@ static bool create_myisam_tmp_table(TABLE *table,TMP_TABLE_PARAM *param,
{
Field *field=keyinfo->key_part[i].field;
seg->flag= 0;
seg->language= MY_CHARSET_CURRENT;
seg->language= field->binary() ? MY_CHARSET_CURRENT :
((Field_str*)field)->charset()->number;
seg->length= keyinfo->key_part[i].length;
seg->start= keyinfo->key_part[i].offset;
if (field->flags & BLOB_FLAG)
@ -6428,7 +6456,7 @@ find_order_in_list(THD *thd,TABLE_LIST *tables,ORDER *order,List<Item> &fields,
return 0;
}
order->in_field_list=0;
if ((*order->item)->fix_fields(thd,tables) || thd->fatal_error)
if ((*order->item)->fix_fields(thd, tables, order->item) || thd->fatal_error)
return 1; // Wrong field
all_fields.push_front(*order->item); // Add new field to field list
order->item=(Item**) all_fields.head_ref();
@ -6526,7 +6554,7 @@ setup_new_fields(THD *thd,TABLE_LIST *tables,List<Item> &fields,
else
{
thd->where="procedure list";
if ((*new_field->item)->fix_fields(thd,tables))
if ((*new_field->item)->fix_fields(thd, tables, new_field->item))
DBUG_RETURN(1); /* purecov: inspected */
thd->where=0;
all_fields.push_front(*new_field->item);
@ -7091,7 +7119,7 @@ static bool add_ref_to_table_cond(THD *thd, JOIN_TAB *join_tab)
Here we pass 0 as the first argument to fix_fields that don't need
to do any stack checking (This is already done in the initial fix_fields).
*/
cond->fix_fields((THD *) 0,(TABLE_LIST *) 0);
cond->fix_fields((THD *) 0,(TABLE_LIST *) 0, (Item**)&cond);
if (join_tab->select)
{
error=(int) cond->add(join_tab->select->cond);