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62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/* Compability file ; This file only contains dummy functions */
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#ifdef __GNUC__
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#pragma interface
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#endif
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#include <queues.h>
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class Item_func_unique_users :public Item_real_func
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{
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public:
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Item_func_unique_users(Item *name_arg,int start,int end,List<Item> &list)
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:Item_real_func(list) {}
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double val_real() { DBUG_ASSERT(fixed == 1); return 0.0; }
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void fix_length_and_dec() { decimals=0; max_length=6; }
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void print(String *str) { str->append("0.0", 3); }
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};
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class Item_sum_unique_users :public Item_sum_num
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{
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public:
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Item_sum_unique_users(Item *name_arg,int start,int end,Item *item_arg)
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:Item_sum_num(item_arg) {}
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Item_sum_unique_users(THD *thd, Item_sum_unique_users *item)
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:Item_sum_num(thd, item) {}
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double val_real() { DBUG_ASSERT(fixed == 1); return 0.0; }
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enum Sumfunctype sum_func () const {return UNIQUE_USERS_FUNC;}
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void clear() {}
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bool add() { return 0; }
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void reset_field() {}
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void update_field() {}
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bool fix_fields(THD *thd, TABLE_LIST *tlist, Item **ref)
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{
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DBUG_ASSERT(fixed == 0);
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fixed= 1;
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return FALSE;
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}
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Item *copy_or_same(THD* thd)
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{
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return new Item_sum_unique_users(thd, this);
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}
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void print(String *str) { str->append("0.0", 3); }
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Field *create_tmp_field(bool group, TABLE *table, uint convert_blob_length);
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};
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