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BigQuery query processing.
Classes
ArrayQueryParameter
ArrayQueryParameter
(
name
,
array_type
,
values
)
Named / positional query parameters for array values.
| 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.
| 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
:
Optional
[
str
],
type_
:
Optional
[
Union
[
str
,
google
.
cloud
.
bigquery
.
query
.
ScalarQueryParameterType
]],
value
:
Optional
[
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.
| 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.
| Name | Description |
| name | Optional[str]
Parameter name, used via |
StructQueryParameterType
StructQueryParameterType
(
*
fields
,
name
=
None
,
description
=
None
)
Type representation for struct query 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.
| 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. |
