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/* Copyright (C) 2000 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include "mysql_priv.h"
#include "assert.h"
Item_row::Item_row(List<Item> &arg):
Item(), array_holder(1)
{
if ((arg_count= arg.elements))
items= (Item**) sql_alloc(sizeof(Item*)*arg_count);
else
items= 0;
List_iterator<Item> li(arg);
uint i= 0;
Item *item;
while ((item= li++))
{
items[i]= item;
i++;
}
}
void Item_row::illegal_method_call(const char *method)
{
DBUG_ENTER("Item_row::illegal_method_call");
DBUG_PRINT("error", ("!!! %s method was called for row item", method));
DBUG_ASSERT(0);
my_error(ER_CARDINALITY_COL, MYF(0), arg_count);
DBUG_VOID_RETURN;
}
bool Item_row::fix_fields(THD *thd, TABLE_LIST *tabl, Item **ref)
{
tables= 0;
for (uint i= 0; i < arg_count; i++)
{
if (items[i]->fix_fields(thd, tabl, items+i))
return 1;
tables |= items[i]->used_tables();
}
return 0;
}
bool Item_row::check_cols(uint c)
{
if (c != arg_count)
{
my_error(ER_CARDINALITY_COL, MYF(0), c);
return 1;
}
return 0;
}
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