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/* - mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 MySQL
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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
*/
#ifndef DRIZZLE_SERVER_FIELD_STR
#define DRIZZLE_SERVER_FIELD_STR
/* base class for all string related classes */
class Field_str :public Field {
protected:
const CHARSET_INFO *field_charset;
enum Derivation field_derivation;
public:
Field_str(unsigned char *ptr_arg,uint32_t len_arg, unsigned char *null_ptr_arg,
unsigned char null_bit_arg, utype unireg_check_arg,
const char *field_name_arg, const CHARSET_INFO * const charset);
Item_result result_type () const { return STRING_RESULT; }
uint32_t decimals() const { return NOT_FIXED_DEC; }
int store(double nr);
int store(int64_t nr, bool unsigned_val)=0;
int store_decimal(const my_decimal *);
int store(const char *to,uint32_t length, const CHARSET_INFO * const cs)=0;
uint32_t size_of() const { return sizeof(*this); }
const CHARSET_INFO *charset(void) const { return field_charset; }
void set_charset(const CHARSET_INFO * const charset_arg) { field_charset= charset_arg; }
enum Derivation derivation(void) const { return field_derivation; }
virtual void set_derivation(enum Derivation derivation_arg)
{ field_derivation= derivation_arg; }
bool binary() const { return field_charset == &my_charset_bin; }
uint32_t max_display_length() { return field_length; }
friend class Create_field;
my_decimal *val_decimal(my_decimal *);
virtual bool str_needs_quotes() { return true; }
bool compare_str_field_flags(Create_field *new_field, uint32_t flags);
uint32_t is_equal(Create_field *new_field);
};
#endif
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