/* - 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_DOUBLE #define DRIZZLE_SERVER_FIELD_DOUBLE #include class Field_double :public Field_real { public: Field_double(unsigned char *ptr_arg, uint32_t len_arg, unsigned char *null_ptr_arg, unsigned char null_bit_arg, enum utype unireg_check_arg, const char *field_name_arg, uint8_t dec_arg,bool zero_arg,bool unsigned_arg) :Field_real(ptr_arg, len_arg, null_ptr_arg, null_bit_arg, unireg_check_arg, field_name_arg, dec_arg, zero_arg, unsigned_arg) {} Field_double(uint32_t len_arg, bool maybe_null_arg, const char *field_name_arg, uint8_t dec_arg) :Field_real((unsigned char*) 0, len_arg, maybe_null_arg ? (unsigned char*) "" : 0, (uint) 0, NONE, field_name_arg, dec_arg, 0, 0) {} Field_double(uint32_t len_arg, bool maybe_null_arg, const char *field_name_arg, uint8_t dec_arg, bool not_fixed_arg) :Field_real((unsigned char*) 0, len_arg, maybe_null_arg ? (unsigned char*) "" : 0, (uint) 0, NONE, field_name_arg, dec_arg, 0, 0) {not_fixed= not_fixed_arg; } enum_field_types type() const { return DRIZZLE_TYPE_DOUBLE;} enum ha_base_keytype key_type() const { return HA_KEYTYPE_DOUBLE; } int store(const char *to,uint32_t length, const CHARSET_INFO * const charset); int store(double nr); int store(int64_t nr, bool unsigned_val); int reset(void) { memset(ptr, 0, sizeof(double)); return 0; } double val_real(void); int64_t val_int(void); String *val_str(String*,String *); bool send_binary(Protocol *protocol); int cmp(const unsigned char *,const unsigned char *); void sort_string(unsigned char *buff,uint32_t length); uint32_t pack_length() const { return sizeof(double); } uint32_t row_pack_length() { return pack_length(); } void sql_type(String &str) const; private: int do_save_field_metadata(unsigned char *first_byte); }; #endif