constant.py

# -*- coding: utf-8 -*-

# basic data type boundary
TINYINT_MAX             = 127
TINYINT_MIN             = -128

TINYINT_UN_MAX          = 255
TINYINT_UN_MIN          = 0

SMALLINT_MAX            = 32767
SMALLINT_MIN            = -32768

SMALLINT_UN_MAX         = 65535
MALLINT_UN_MIN          = 0

INT_MAX                 = 2147483647
INT_MIN                 = -2147483648

INT_UN_MAX              = 4294967295
INT_UN_MIN              = 0

BIGINT_MAX              = 9223372036854775807
BIGINT_MIN              = -9223372036854775808

BIGINT_UN_MAX           = 18446744073709551615
BIGINT_UN_MIN           = 0

FLOAT_MAX               = 3.40E+38
FLOAT_MIN               = -3.40E+38

DOUBLE_MAX              = 1.7E+308
DOUBLE_MIN              = -1.7E+308

# schema boundary
BINARY_LENGTH_MAX       = 16374
NCAHR_LENGTH_MAX_       = 4093
DBNAME_LENGTH_MAX_      = 64

STBNAME_LENGTH_MAX      = 192
STBNAME_LENGTH_MIN      = 1

TBNAME_LENGTH_MAX       = 192
TBNAME_LENGTH_MIN       = 1

CHILD_TBNAME_LENGTH_MAX = 192
CHILD_TBNAME_LENGTH_MIN = 1

TAG_NAME_LENGTH_MAX     = 64
TAG_NAME_LENGTH_MIN     = 1

COL_NAME_LENGTH_MAX     = 64
COL_NAME_LENGTH_MIN     = 1

TAG_COUNT_MAX           = 128
TAG_COUNT_MIN           = 1

COL_COUNT_MAX           = 4096
COL_COUNT_MIN           = 2

TAG_COL_COUNT_MAX       = 4096
TAG_COL_COUNT_MIN       = 3

MNODE_SHM_SIZE_MAX      = 2147483647
MNODE_SHM_SIZE_MIN      = 6292480
MNODE_SHM_SIZE_DEFAULT  = 6292480

VNODE_SHM_SIZE_MAX      = 2147483647
VNODE_SHM_SIZE_MIN      = 6292480
VNODE_SHM_SIZE_DEFAULT  = 31458304