Module schema (3.26.0)

Schemas for BigQuery tables / queries.

Classes

FieldElementType

FieldElementType(element_type:str)

Represents the type of a field element.

Parameter
NameDescription
element_typestr

The type of a field element.

PolicyTagList

PolicyTagList(names:typing.Iterable[str]=())

Define Policy Tags for a column.

SchemaField

SchemaField(name:str,field_type:str,mode:str="NULLABLE",default_value_expression:typing.Optional[str]=None,description:typing.Union[str,google.cloud.bigquery.schema._DefaultSentinel]=_DefaultSentinel.DEFAULT_VALUE,fields:typing.Iterable[google.cloud.bigquery.schema.SchemaField]=(),policy_tags:typing.Union[google.cloud.bigquery.schema.PolicyTagList,None,google.cloud.bigquery.schema._DefaultSentinel,]=_DefaultSentinel.DEFAULT_VALUE,precision:typing.Union[int,google.cloud.bigquery.schema._DefaultSentinel]=_DefaultSentinel.DEFAULT_VALUE,scale:typing.Union[int,google.cloud.bigquery.schema._DefaultSentinel]=_DefaultSentinel.DEFAULT_VALUE,max_length:typing.Union[int,google.cloud.bigquery.schema._DefaultSentinel]=_DefaultSentinel.DEFAULT_VALUE,range_element_type:typing.Optional[typing.Union[google.cloud.bigquery.schema.FieldElementType,str]]=None,)

Describe a single field within a table schema.

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Last updated 2025-12-16 UTC.