43 lines
1.0 KiB
Python
43 lines
1.0 KiB
Python
"""Constants in TDengine python
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"""
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from .dbapi import *
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class FieldType(object):
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"""TDengine Field Types
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"""
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# type_code
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C_NULL = 0
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C_BOOL = 1
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C_TINYINT = 2
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C_SMALLINT = 3
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C_INT = 4
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C_BIGINT = 5
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C_FLOAT = 6
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C_DOUBLE = 7
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C_BINARY = 8
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C_TIMESTAMP = 9
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C_NCHAR = 10
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C_TINYINT_UNSIGNED = 12
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C_SMALLINT_UNSIGNED = 13
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C_INT_UNSIGNED = 14
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C_BIGINT_UNSIGNED = 15
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# NULL value definition
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# NOTE: These values should change according to C definition in tsdb.h
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C_BOOL_NULL = 0x02
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C_TINYINT_NULL = -128
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C_TINYINT_UNSIGNED_NULL = 255
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C_SMALLINT_NULL = -32768
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C_SMALLINT_UNSIGNED_NULL = 65535
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C_INT_NULL = -2147483648
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C_INT_UNSIGNED_NULL = 4294967295
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C_BIGINT_NULL = -9223372036854775808
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C_BIGINT_UNSIGNED_NULL = 18446744073709551615
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C_FLOAT_NULL = float('nan')
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C_DOUBLE_NULL = float('nan')
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C_BINARY_NULL = bytearray([int('0xff', 16)])
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# Timestamp precision definition
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C_TIMESTAMP_MILLI = 0
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C_TIMESTAMP_MICRO = 1
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