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checking columns of top items

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mysql-test/r/row_test.result:
  changed error message (report requestet columns number)
  new tests
mysql-test/t/row_test.test:
  new tests
sql/item.h:
  checking columns of wrapper items
This commit is contained in:
unknown 2002-11-29 12:30:04 +02:00
parent 5b62dfcdf5
commit 042c34d86d
11 changed files with 47 additions and 16 deletions
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11
mysql-test/r/row_test.result
View File

@ -35,7 +35,7 @@ SELECT ('test',2,3.33)=('test',2,3.33);
('test',2,3.33)=('test',2,3.33)
1
SELECT ('test',2,3.33)=('test',2,3.33,4);
Cardinality error (more/less than 4 columns)
Cardinality error (more/less than 3 columns)
drop table if exists t1;
create table t1 ( a int, b int, c int);
insert into t1 values (1,2,3), (2,3,1), (3,2,1);
@ -49,3 +49,12 @@ a b c
2 3 1
3 2 1
drop table t1;
select (1,1);
Cardinality error (more/less than 1 columns)
drop table if exists t1;
create table t1 (i int);
select 1 from t1 where (1,1);
Cardinality error (more/less than 1 columns)
select count(*) from t1 order by (1,1);
Cardinality error (more/less than 1 columns)
drop table t1;

17
mysql-test/t/row_test.test
View File

@ -18,4 +18,19 @@ insert into t1 values (1,2,3), (2,3,1), (3,2,1);
select * from t1 where (1,2,3)=(a,b,c);
select * from t1 where (0,2,3)=(a,b,c);
select * from t1 where (1,2,3)<(a,b,c);
drop table t1;
drop table t1;
-- error 1239
select (1,1);
drop table if exists t1;
create table t1 (i int);
-- error 1239
select 1 from t1 where (1,1);
-- error 1239
select count(*) from t1 order by (1,1);
#TODO remove comments after parser fixing
#-- error 1239
#select count(*) from t1 order by i having (1,1);
#-- error 1239
#select 1 from t1 limit (1,1), (1,1);
drop table t1;

8
sql/item.cc
View File

@ -63,7 +63,7 @@ bool Item::check_cols(uint c)
{
if (c != 1)
{
my_error(ER_CARDINALITY_COL, MYF(0), 1);
my_error(ER_CARDINALITY_COL, MYF(0), c);
return 1;
}
return 0;
@ -570,8 +570,8 @@ bool Item_field::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
if (!r)
return 1;
int res;
if ((res= r->fix_fields(thd, tables, ref)))
return res;
if (r->check_cols(1) || r->fix_fields(thd, tables, ref))
return 1;
r->depended_from= last;
thd->lex.current_select->mark_as_dependent(last);
thd->add_possible_loop(r);
@ -606,7 +606,7 @@ bool Item_field::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
(char *)field_name);
if (!*ref)
return 1;
return (*ref)->fix_fields(thd, tables, ref);
return (*ref)->check_cols(1) || (*ref)->fix_fields(thd, tables, ref);
}
fixed= 1;
return 0;

1
sql/item.h
View File

@ -120,6 +120,7 @@ public:
longlong val_int() { return item->val_int(); }
String* val_str(String* s) { return item->val_str(s); }
void make_field(Send_field* f) { item->make_field(f); }
bool check_cols(uint col) { return item->check_cols(col); }
};

2
sql/item_row.cc
View File

@ -59,7 +59,7 @@ bool Item_row::check_cols(uint c)
{
if (c != arg_count)
{
my_error(ER_CARDINALITY_COL, MYF(0), arg_count);
my_error(ER_CARDINALITY_COL, MYF(0), c);
return 1;
}
return 0;

2
sql/set_var.cc
View File

@ -1344,7 +1344,7 @@ int set_var::check(THD *thd)
return 0;
}
if (value->fix_fields(thd, 0, &value))
if (value->check_cols(1) || value->fix_fields(thd, 0, &value))
return -1;
if (var->check_update_type(value->result_type()))
{

8
sql/sql_base.cc
View File

@ -2101,7 +2101,8 @@ int setup_fields(THD *thd, TABLE_LIST *tables, List<Item> &fields,
}
else
{
if (item->fix_fields(thd, tables, it.ref()))
if (item->check_cols(1) ||
item->fix_fields(thd, tables, it.ref()))
DBUG_RETURN(-1); /* purecov: inspected */
item= *(it.ref()); //Item can be chenged in fix fields
if (item->with_sum_func && item->type() != Item::SUM_FUNC_ITEM &&
@ -2255,7 +2256,7 @@ int setup_conds(THD *thd,TABLE_LIST *tables,COND **conds)
if (*conds)
{
thd->where="where clause";
if ((*conds)->fix_fields(thd, tables, conds))
if ((*conds)->check_cols(1) || (*conds)->fix_fields(thd, tables, conds))
DBUG_RETURN(1);
}
@ -2266,7 +2267,8 @@ int setup_conds(THD *thd,TABLE_LIST *tables,COND **conds)
{
/* Make a join an a expression */
thd->where="on clause";
if (table->on_expr->fix_fields(thd, tables, &table->on_expr))
if (table->on_expr->check_cols(1) ||
table->on_expr->fix_fields(thd, tables, &table->on_expr))
DBUG_RETURN(1);
thd->cond_count++;

2
sql/sql_handler.cc
View File

@ -106,7 +106,7 @@ int mysql_ha_read(THD *thd, TABLE_LIST *tables,
}
tables->table=table;
if (cond && cond->fix_fields(thd, tables, &cond))
if (cond && (cond->check_cols(1) || cond->fix_fields(thd, tables, &cond)))
return -1;
if (keyname)

3
sql/sql_prepare.cc
View File

@ -501,7 +501,8 @@ static bool mysql_test_select_fields(PREP_STMT *stmt, TABLE_LIST *tables,
{
thd->where="having clause";
thd->allow_sum_func=1;
if (having->fix_fields(thd, tables, &having) || thd->fatal_error)
if (having->check_cols(1) || having->fix_fields(thd, tables, &having)
|| thd->fatal_error)
DBUG_RETURN(1);
if (having->with_sum_func)
having->split_sum_func(all_fields);

7
sql/sql_select.cc
View File

@ -262,7 +262,8 @@ JOIN::prepare(TABLE_LIST *tables_init,
thd->where="having clause";
thd->allow_sum_func=1;
select_lex->having_fix_field= 1;
bool having_fix_rc= having->fix_fields(thd, tables_list, &having);
bool having_fix_rc= (having->check_cols(1) ||
having->fix_fields(thd, tables_list, &having));
select_lex->having_fix_field= 0;
if (having_fix_rc || thd->net.report_error)
DBUG_RETURN(-1); /* purecov: inspected */
@ -6651,7 +6652,9 @@ 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, order->item) || thd->fatal_error)
Item *it= *order->item;
if (it->check_cols(1) || it->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();

2
sql/sql_yacc.yy
View File

@ -3416,7 +3416,7 @@ kill:
KILL_SYM expr
{
LEX *lex=Lex;
if ($2->fix_fields(lex->thd, 0, &$2))
if ($2->check_cols(1) || $2->fix_fields(lex->thd, 0, &$2))
{
send_error(lex->thd, ER_SET_CONSTANTS_ONLY);
YYABORT;