create_field.h

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 *
 *  Copyright (C) 2008-2009 Sun Microsystems, Inc.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; version 2 of the License.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#pragma once

#include <drizzled/field.h>

namespace drizzled {

class CreateField : public memory::SqlAlloc
{
public:
  const char *field_name; 
  const char *change; 
  const char *after; 
  str_ref comment; 
  Item *def; 
  enum_field_types sql_type; 
  enum_field_types type() const
  {
    return sql_type;
  }

  uint32_t length;
  uint32_t char_length;
  uint32_t decimals;
  uint32_t flags;
  uint32_t pack_length;
  uint32_t key_length;
  Field::utype unireg_check; 
  TYPELIB *interval; 
  List<String> interval_list;
  const charset_info_st *charset; 
  Field *field; // For alter table

  uint8_t interval_id;  // For rea_create_table
  uint32_t offset;

  CreateField() :after(0) {}
  CreateField(Field *field, Field *orig_field);
  void create_length_to_internal_length(void);

  inline enum column_format_type column_format() const
  {
    return (enum column_format_type)
      ((flags >> COLUMN_FORMAT_FLAGS) & COLUMN_FORMAT_MASK);
  }

  void init_for_tmp_table(enum_field_types sql_type_arg,
                          uint32_t max_length,
                          uint32_t decimals,
                          bool maybe_null);

  bool init(Session*,
            const char *field_name,
            enum_field_types type,
            const char *length,
            const char *decimals,
            uint32_t type_modifier,
            str_ref comment,
            const char *change,
            List<String> *interval_list,
            const charset_info_st*,
            uint32_t uint_geom_type,
            column_format_type column_format);

  bool setDefaultValue(Item *default_value, Item *on_update_item);
};

std::ostream& operator<<(std::ostream&, const CreateField&);

} /* namespace drizzled */