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BigQuery query processing.
Classes
ArrayQueryParameter
ArrayQueryParameter(name, array_type, values)
Named / positional query parameters for array values.
Parameters | |
---|---|
Name | Description |
name |
Optional[str]
Parameter name, used via |
array_type |
Union[str, ScalarQueryParameterType, StructQueryParameterType]
The type of array elements. If given as a string, it must be one of |
values |
List[appropriate type]
The parameter array values. |
ArrayQueryParameterType
ArrayQueryParameterType(array_type, *, name=None, description=None)
Type representation for array query parameters.
Parameters | |
---|---|
Name | Description |
array_type |
Union[ScalarQueryParameterType, StructQueryParameterType]
The type of array elements. |
name |
Optional[str]
The name of the query parameter. Primarily used if the type is one of the subfields in |
description |
Optional[str]
The query parameter description. Primarily used if the type is one of the subfields in |
ConnectionProperty
ConnectionProperty(key: str = "", value: str = "")
A connection-level property to customize query behavior.
See https://cloud.google.com/bigquery/docs/reference/rest/v2/ConnectionProperty
ScalarQueryParameter
ScalarQueryParameter(
name: typing.Optional[str],
type_: typing.Optional[
typing.Union[str, google.cloud.bigquery.query.ScalarQueryParameterType]
],
value: typing.Optional[
typing.Union[
str, int, float, decimal.Decimal, bool, datetime.datetime, datetime.date
]
],
)
Named / positional query parameters for scalar values.
ScalarQueryParameterType
ScalarQueryParameterType(type_, *, name=None, description=None)
Type representation for scalar query parameters.
Parameters | |
---|---|
Name | Description |
type_ |
str
One of 'STRING', 'INT64', 'FLOAT64', 'NUMERIC', 'BOOL', 'TIMESTAMP', 'DATETIME', or 'DATE'. |
name |
Optional[str]
The name of the query parameter. Primarily used if the type is one of the subfields in |
description |
Optional[str]
The query parameter description. Primarily used if the type is one of the subfields in |
SqlParameterScalarTypes
SqlParameterScalarTypes()
Supported scalar SQL query parameter types as type objects.
StructQueryParameter
StructQueryParameter(name, *sub_params)
Named / positional query parameters for struct values.
Parameter | |
---|---|
Name | Description |
name |
Optional[str]
Parameter name, used via |
StructQueryParameterType
StructQueryParameterType(*fields, name=None, description=None)
Type representation for struct query parameters.
Parameters | |
---|---|
Name | Description |
fields |
Iterable[Union[ ArrayQueryParameterType, ScalarQueryParameterType, StructQueryParameterType ]]
An non-empty iterable describing the struct's field types. |
name |
Optional[str]
The name of the query parameter. Primarily used if the type is one of the subfields in |
description |
Optional[str]
The query parameter description. Primarily used if the type is one of the subfields in |
UDFResource
UDFResource(udf_type, value)
Describe a single user-defined function (UDF) resource.
Parameters | |
---|---|
Name | Description |
udf_type |
str
The type of the resource ('inlineCode' or 'resourceUri') |
value |
str See: https://cloud.google.com/bigquery/user-defined-functions#api
The inline code or resource URI. |