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1a81e04145
small optimisation in signed_literal sql/field.cc: layout fixed sql/item.cc: DBUG_ASSERT(fixed == 1); added to val* layout fixed fixed= 1; added where it was forgoten in fix_fields Item_string can be used without fix_fields sql/item.h: DBUG_ASSERT(fixed == 1); added to val* Item_string can be used without fix_fields sql/item_cmpfunc.cc: DBUG_ASSERT(fixed == 1); added to val* sql/item_cmpfunc.h: fixed layout and getting Item statistic sql/item_func.cc: DBUG_ASSERT(fixed == 1); added to val* sql/item_func.h: DBUG_ASSERT(fixed == 1); added to val* sql/item_geofunc.cc: DBUG_ASSERT(fixed == 1); added to val* sql/item_strfunc.cc: DBUG_ASSERT(fixed == 1); added to val* layout fixed sql/item_strfunc.h: DBUG_ASSERT(fixed == 1); added to val* sql/item_subselect.cc: DBUG_ASSERT(fixed == 1); added to val* sql/item_sum.cc: DBUG_ASSERT(fixed == 1); added to val* sql/item_sum.h: DBUG_ASSERT(fixed == 1); added to val* sql/item_timefunc.cc: DBUG_ASSERT(fixed == 1); added to val* sql/item_timefunc.h: DBUG_ASSERT(fixed == 1); added to val* sql/item_uniq.h: DBUG_ASSERT(fixed == 1); added to val* sql/sql_base.cc: Item creation revised sql/sql_help.cc: Item creation revised sql/sql_load.cc: Item creation revised sql/sql_parse.cc: fix_field call added sql/sql_select.cc: Item creation revised sql/sql_show.cc: Item creation revised sql/sql_union.cc: Item creation revised sql/sql_update.cc: Item creation revised sql/sql_yacc.yy: Item creation revised small optimisation in signed_literal
60 lines
1.9 KiB
C++
60 lines
1.9 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() { 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() { 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 0;
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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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};
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