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584.1.13
by Monty Taylor
Split out a little more code. Removed table_list.h from common_includes. |
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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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#ifndef DRIZZLED_VIRTUAL_COLUMN_INFO_H
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#define DRIZZLED_VIRTUAL_COLUMN_INFO_H
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#include <drizzled/definitions.h> |
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#include <drizzled/sql_alloc.h> |
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#include <drizzled/lex_string.h> |
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class Item; |
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class virtual_column_info: public Sql_alloc |
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{
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public: |
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Item *expr_item; |
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LEX_STRING expr_str; |
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Item *item_free_list; |
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virtual_column_info() |
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: expr_item(0), item_free_list(0), |
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field_type(DRIZZLE_TYPE_VIRTUAL), |
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is_stored(false), data_inited(false) |
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{
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expr_str.str= NULL; |
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expr_str.length= 0; |
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};
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~virtual_column_info() {} |
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enum_field_types get_real_type(); |
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void set_field_type(enum_field_types fld_type); |
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bool get_field_stored(); |
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void set_field_stored(bool stored); |
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private: |
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/*
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The following data is only updated by the parser and read
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when a Create_field object is created/initialized.
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*/
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enum_field_types field_type; /* Real field type*/ |
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bool is_stored; /* Indication that the field is |
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phisically stored in the database*/
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/*
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This flag is used to prevent other applications from
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reading and using incorrect data.
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*/
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bool data_inited; |
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};
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#endif /* DRIZZLED_VIRTUAL_COLUMN_INFO_H */ |