Class TableFieldSchema (2.25.0)

Version latest

• 2.25.0 (latest)
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TableFieldSchema(mapping=None, *, ignore_unknown_fields=False, **kwargs)

A field in TableSchema

Attributes
Name	Description
name	str Required. The field name. The name must contain only letters (a-z, A-Z), numbers (0-9), or underscores (_), and must start with a letter or underscore. The maximum length is 128 characters.
type_	google.cloud.bigquery_storage_v1beta2.types.TableFieldSchema.Type Required. The field data type.
mode	google.cloud.bigquery_storage_v1beta2.types.TableFieldSchema.Mode Optional. The field mode. The default value is NULLABLE.
fields	MutableSequence[google.cloud.bigquery_storage_v1beta2.types.TableFieldSchema] Optional. Describes the nested schema fields if the type property is set to STRUCT.
description	str Optional. The field description. The maximum length is 1,024 characters.

Classes

Mode

Mode(value)

Enum values:

MODE_UNSPECIFIED (0):
    Illegal value
NULLABLE (1):
    No description available.
REQUIRED (2):
    No description available.
REPEATED (3):
    No description available.

Type

Type(value)

Enum values:

TYPE_UNSPECIFIED (0):
    Illegal value
STRING (1):
    64K, UTF8
INT64 (2):
    64-bit signed
DOUBLE (3):
    64-bit IEEE floating point
STRUCT (4):
    Aggregate type
BYTES (5):
    64K, Binary
BOOL (6):
    2-valued
TIMESTAMP (7):
    64-bit signed usec since UTC epoch
DATE (8):
    Civil date - Year, Month, Day
TIME (9):
    Civil time - Hour, Minute, Second,
    Microseconds
DATETIME (10):
    Combination of civil date and civil time
GEOGRAPHY (11):
    Geography object
NUMERIC (12):
    Numeric value
BIGNUMERIC (13):
    BigNumeric value
INTERVAL (14):
    Interval
JSON (15):
    JSON, String