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Merge epotemkin@bk-internal.mysql.com:/home/bk/mysql-4.1-opt

Browse Source 
into  moonbone.local:/mnt/gentoo64/work/clean-5.0-opt-mysql


mysql-test/t/update.test:
  Auto merged
mysql-test/r/update.result:
  Manually merged
sql/sql_base.cc:
  Manually merged
sql/sql_select.cc:
  Manually merged
This commit is contained in:
unknown
2007-03-05 23:33:57 +03:00
parent 476f91b50c 72773f4f8a
commit 4b40ed9532
4 changed files with 22 additions and 5 deletions
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4
mysql-test/r/update.result
View File

@ -377,6 +377,10 @@ create table t1(f1 int, `*f2` int);
insert into t1 values (1,1);
update t1 set `*f2`=1;
drop table t1;
create table t1(f1 int);
update t1 set f2=1 order by f2;
ERROR 42S22: Unknown column 'f2' in 'order clause'
drop table t1;
CREATE TABLE t1 (
request_id int unsigned NOT NULL auto_increment,
user_id varchar(12) default NULL,

8
mysql-test/t/update.test
View File

@ -306,6 +306,14 @@ create table t1(f1 int, `*f2` int);
insert into t1 values (1,1);
update t1 set `*f2`=1;
drop table t1;
#
# Bug#25126: Wrongly resolved field leads to a crash
#
create table t1(f1 int);
--error 1054
update t1 set f2=1 order by f2;
drop table t1;
# End of 4.1 tests
#

9
sql/sql_base.cc
View File

@ -4420,12 +4420,15 @@ bool setup_fields(THD *thd, Item **ref_pointer_array,
bool save_set_query_id= thd->set_query_id;
nesting_map save_allow_sum_func= thd->lex->allow_sum_func;
List_iterator<Item> it(fields);
bool save_is_item_list_lookup;
DBUG_ENTER("setup_fields");
thd->set_query_id=set_query_id;
if (allow_sum_func)
thd->lex->allow_sum_func|= 1 << thd->lex->current_select->nest_level;
thd->where= THD::DEFAULT_WHERE;
save_is_item_list_lookup= thd->lex->current_select->is_item_list_lookup;
thd->lex->current_select->is_item_list_lookup= 0;
/*
To prevent fail on forward lookup we fill it with zerows,
@ -4448,6 +4451,7 @@ bool setup_fields(THD *thd, Item **ref_pointer_array,
if (!item->fixed && item->fix_fields(thd, it.ref()) ||
(item= *(it.ref()))->check_cols(1))
{
thd->lex->current_select->is_item_list_lookup= save_is_item_list_lookup;
thd->lex->allow_sum_func= save_allow_sum_func;
thd->set_query_id= save_set_query_id;
DBUG_RETURN(TRUE); /* purecov: inspected */
@ -4460,6 +4464,7 @@ bool setup_fields(THD *thd, Item **ref_pointer_array,
thd->used_tables|= item->used_tables();
thd->lex->current_select->cur_pos_in_select_list++;
}
thd->lex->current_select->is_item_list_lookup= save_is_item_list_lookup;
thd->lex->current_select->cur_pos_in_select_list= UNDEF_POS;
thd->lex->allow_sum_func= save_allow_sum_func;
@ -4956,6 +4961,8 @@ int setup_conds(THD *thd, TABLE_LIST *tables, TABLE_LIST *leaves,
*/
bool it_is_update= (select_lex == &thd->lex->select_lex) &&
thd->lex->which_check_option_applicable();
bool save_is_item_list_lookup= select_lex->is_item_list_lookup;
select_lex->is_item_list_lookup= 0;
DBUG_ENTER("setup_conds");
if (select_lex->conds_processed_with_permanent_arena ||
@ -5030,9 +5037,11 @@ int setup_conds(THD *thd, TABLE_LIST *tables, TABLE_LIST *leaves,
select_lex->where= *conds;
select_lex->conds_processed_with_permanent_arena= 1;
}
thd->lex->current_select->is_item_list_lookup= save_is_item_list_lookup;
DBUG_RETURN(test(thd->net.report_error));
err_no_arena:
select_lex->is_item_list_lookup= save_is_item_list_lookup;
DBUG_RETURN(1);
}

6
sql/sql_select.cc
View File

@ -396,6 +396,7 @@ JOIN::prepare(Item ***rref_pointer_array,
join_list= &select_lex->top_join_list;
union_part= (unit_arg->first_select()->next_select() != 0);
thd->lex->current_select->is_item_list_lookup= 1;
/*
If we have already executed SELECT, then it have not sense to prevent
its table from update (see unique_table())
@ -13265,16 +13266,11 @@ find_order_in_list(THD *thd, Item **ref_pointer_array, TABLE_LIST *tables,
We check order_item->fixed because Item_func_group_concat can put
arguments for which fix_fields already was called.
*/
thd->lex->current_select->is_item_list_lookup= 1;
if (!order_item->fixed &&
(order_item->fix_fields(thd, order->item) ||
(order_item= *order->item)->check_cols(1) ||
thd->is_fatal_error))
{
thd->lex->current_select->is_item_list_lookup= 0;
return TRUE; /* Wrong field. */
}
thd->lex->current_select->is_item_list_lookup= 0;
uint el= all_fields.elements;
all_fields.push_front(order_item); /* Add new field to field list. */