mariadb/include/my_decimal_limits.h
Sergei Golubchik 76f0b94bb0 merge with 5.3
sql/sql_insert.cc:
  CREATE ... IF NOT EXISTS may do nothing, but
  it is still not a failure. don't forget to my_ok it.
  ******
  CREATE ... IF NOT EXISTS may do nothing, but
  it is still not a failure. don't forget to my_ok it.
sql/sql_table.cc:
  small cleanup
  ******
  small cleanup
2011-10-19 21:45:18 +02:00

45 lines
1.7 KiB
C

#ifndef MY_DECIMAL_LIMITS_INCLUDED
#define MY_DECIMAL_LIMITS_INCLUDED
/* Copyright (c) 2011 Monty Program Ab
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#define DECIMAL_LONGLONG_DIGITS 22
#define DECIMAL_LONG_DIGITS 10
#define DECIMAL_LONG3_DIGITS 8
/** maximum length of buffer in our big digits (uint32). */
#define DECIMAL_BUFF_LENGTH 9
/* the number of digits that my_decimal can possibly contain */
#define DECIMAL_MAX_POSSIBLE_PRECISION (DECIMAL_BUFF_LENGTH * 9)
/**
maximum guaranteed precision of number in decimal digits (number of our
digits * number of decimal digits in one our big digit - number of decimal
digits in one our big digit decreased by 1 (because we always put decimal
point on the border of our big digits))
*/
#define DECIMAL_MAX_PRECISION (DECIMAL_MAX_POSSIBLE_PRECISION - 8*2)
#define DECIMAL_MAX_SCALE 30
#define DECIMAL_NOT_SPECIFIED 31
/**
maximum length of string representation (number of maximum decimal
digits + 1 position for sign + 1 position for decimal point)
*/
#define DECIMAL_MAX_STR_LENGTH (DECIMAL_MAX_POSSIBLE_PRECISION + 2)
#endif /* MY_DECIMAL_LIMITS_INCLUDED */