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492.3.13
by Lee
code clean move Item_func_floor, Item_func_length, Item_func_min_max, Item_func_rand, Item_func_round to functions directory |
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2008 Sun Microsystems
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*
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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; version 2 of the License.
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*
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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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*
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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670.1.20
by Monty Taylor
Renamed functions to function... everything else is singular. |
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#ifndef DRIZZLED_FUNCTION_MIN_MAX_H
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#define DRIZZLED_FUNCTION_MIN_MAX_H
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492.3.13
by Lee
code clean move Item_func_floor, Item_func_length, Item_func_min_max, Item_func_rand, Item_func_round to functions directory |
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670.1.20
by Monty Taylor
Renamed functions to function... everything else is singular. |
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#include <drizzled/function/func.h> |
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492.3.13
by Lee
code clean move Item_func_floor, Item_func_length, Item_func_min_max, Item_func_rand, Item_func_round to functions directory |
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class Item_func_min_max :public Item_func |
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{
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Item_result cmp_type; |
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String tmp_value; |
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int cmp_sign; |
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/* TRUE <=> arguments should be compared in the DATETIME context. */
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bool compare_as_dates; |
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/* An item used for issuing warnings while string to DATETIME conversion. */
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Item *datetime_item; |
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520.1.22
by Brian Aker
Second pass of thd cleanup |
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Session *session; |
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492.3.13
by Lee
code clean move Item_func_floor, Item_func_length, Item_func_min_max, Item_func_rand, Item_func_round to functions directory |
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protected: |
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enum_field_types cached_field_type; |
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public: |
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Item_func_min_max(List<Item> &list,int cmp_sign_arg) :Item_func(list), |
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cmp_type(INT_RESULT), cmp_sign(cmp_sign_arg), compare_as_dates(false), |
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datetime_item(0) {} |
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double val_real(); |
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int64_t val_int(); |
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String *val_str(String *); |
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my_decimal *val_decimal(my_decimal *); |
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void fix_length_and_dec(); |
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enum Item_result result_type () const { return cmp_type; } |
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bool result_as_int64_t() { return compare_as_dates; }; |
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uint32_t cmp_datetimes(uint64_t *value); |
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enum_field_types field_type() const { return cached_field_type; } |
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};
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class Item_func_min :public Item_func_min_max |
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{
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public: |
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Item_func_min(List<Item> &list) :Item_func_min_max(list,1) {} |
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const char *func_name() const { return "least"; } |
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};
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class Item_func_max :public Item_func_min_max |
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{
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public: |
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Item_func_max(List<Item> &list) :Item_func_min_max(list,-1) {} |
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const char *func_name() const { return "greatest"; } |
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};
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670.1.20
by Monty Taylor
Renamed functions to function... everything else is singular. |
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#endif /* DRIZZLED_FUNCTION_MIN_MAX_H */ |