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table_ident.h
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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, Inc.
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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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#pragma once
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#include <drizzled/lex_string.h>
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#include <drizzled/memory/sql_alloc.h>
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#include <drizzled/util/test.h>
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namespace
drizzled {
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/* Structure for db & table in sql_yacc */
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class
Table_ident
:
public
memory::SqlAlloc
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{
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public
:
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lex_string_t
db;
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str_ref
table;
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Select_Lex_Unit *sel;
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Table_ident
(
lex_string_t
db_arg,
str_ref
table_arg)
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: db(db_arg), table(table_arg), sel(NULL)
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{
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}
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explicit
Table_ident
(
lex_string_t
table_arg)
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: table(table_arg), sel(NULL)
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{
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db.assign(static_cast<const char*>(NULL), 0);
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}
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/*
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This constructor is used only for the case when we create a derived
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table. A derived table has no name and doesn't belong to any database.
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Later, if there was an alias specified for the table, it will be set
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by add_table_to_list.
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*/
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explicit
Table_ident
(Select_Lex_Unit *s) :
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table(
"*"
), sel(s)
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{
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/* We must have a table name here as this is used with add_table_to_list */
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db.assign(
""
, 0);
// a subject to casedn_str
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}
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bool
is_derived_table()
const
{
return
test(sel); }
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};
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}
/* namespace drizzled */
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drizzled::memory::SqlAlloc
Definition:
sql_alloc.h:34
drizzled::Table_ident
Definition:
table_ident.h:30
drizzled::lex_string_t
Definition:
lex_string.h:32
data_ref_basic< const char * >
drizzled
table_ident.h
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