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492.3.32
by Lee
more changes to move functions from item_func.cc/h to the 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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1999.6.1
by kalebral at gmail
update Copyright strings to a more common format to help with creating the master debian copyright file |
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* Copyright (C) 2008 Sun Microsystems, Inc.
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492.3.32
by Lee
more changes to move functions from item_func.cc/h to the functions directory |
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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_GET_USER_VAR_H
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#define DRIZZLED_FUNCTION_GET_USER_VAR_H
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492.3.32
by Lee
more changes to move functions from item_func.cc/h to the functions directory |
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1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
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#include <drizzled/function/func.h> |
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namespace drizzled |
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{
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492.3.32
by Lee
more changes to move functions from item_func.cc/h to the functions directory |
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class user_var_entry; |
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class Item_func_get_user_var :public Item_func |
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{
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user_var_entry *var_entry; |
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Item_result m_cached_result_type; |
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1633.4.3
by Brian Aker
Remove session usage. |
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Session &session; |
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492.3.32
by Lee
more changes to move functions from item_func.cc/h to the functions directory |
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public: |
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LEX_STRING name; // keep it public |
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1633.4.3
by Brian Aker
Remove session usage. |
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Item_func_get_user_var(Session &session_arg, LEX_STRING a): |
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Item_func(), |
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m_cached_result_type(STRING_RESULT), |
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session(session_arg), |
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name(a) |
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{}
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492.3.32
by Lee
more changes to move functions from item_func.cc/h to the functions directory |
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enum Functype functype() const { return GUSERVAR_FUNC; } |
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LEX_STRING get_name() { return name; } |
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double val_real(); |
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int64_t val_int(); |
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2030.1.4
by Brian Aker
Change my_decimal to Decimal |
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type::Decimal *val_decimal(type::Decimal*); |
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492.3.32
by Lee
more changes to move functions from item_func.cc/h to the functions directory |
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String *val_str(String* str); |
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void fix_length_and_dec(); |
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virtual void print(String *str, enum_query_type query_type); |
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enum Item_result result_type() const; |
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/*
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We must always return variables as strings to guard against selects of type
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select @t1:=1,@t1,@t:="hello",@t from foo where (@t1:= t2.b)
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*/
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const char *func_name() const { return "get_user_var"; } |
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bool const_item() const; |
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table_map used_tables() const |
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{ return const_item() ? 0 : RAND_TABLE_BIT; } |
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bool eq(const Item *item, bool binary_cmp) const; |
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};
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1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
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} /* namespace drizzled */ |
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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_GET_USER_VAR_H */ |