Class BaseAggregationQuery (2.13.0)

BaseAggregationQuery(nested_query, alias: str | None = None)

Represents an aggregation query to the Firestore API.

Methods

add_aggregation

add_aggregation(
    aggregation: google.cloud.firestore_v1.base_aggregation.BaseAggregation,
) -> None

Adds an aggregation operation to the nested query

Parameter
Name	Description
`aggregation`	`BaseAggregation` An aggregation operation, e.g. a CountAggregation

add_aggregations

add_aggregations(
    aggregations: typing.List[
        google.cloud.firestore_v1.base_aggregation.BaseAggregation
    ],
) -> None

Adds a list of aggregations to the nested query

Parameter
Name	Description
`aggregations`	`list` a list of aggregation operations

avg

avg(field_ref: str | FieldPath, alias: str | None = None)

Adds an avg over the nested query

count

count(alias: str | None = None)

Adds a count over the nested query

get

get(
    transaction=None,
    retry: Union[
        retries.Retry, None, gapic_v1.method._MethodDefault
    ] = _MethodDefault._DEFAULT_VALUE,
    timeout: float | None = None,
) -> List[AggregationResult] | Coroutine[Any, Any, List[AggregationResult]]

Runs the aggregation query.

This sends a RunAggregationQuery RPC and returns a list of aggregation results in the stream of RunAggregationQueryResponse messages.

Parameters
Name	Description
`retry`	`google.api_core.retry.Retry` Designation of what errors, if any, should be retried. Defaults to a system-specified policy.
`timeout`	`float` The timeout for this request. Defaults to a system-specified value.

Returns
Type	Description
`list`	The aggregation query results

stream

stream(
    transaction=None,
    retry: Union[
        retries.Retry, None, gapic_v1.method._MethodDefault
    ] = _MethodDefault._DEFAULT_VALUE,
    timeout: float | None = None,
) -> (
    Generator[List[AggregationResult], Any, None]
    | AsyncGenerator[List[AggregationResult], None]
)

Runs the aggregation query.

This sends aRunAggregationQuery RPC and returns an iterator in the stream of RunAggregationQueryResponse messages.

Parameters
Name	Description
`retry`	`google.api_core.retry.Retry` Designation of what errors, if any, should be retried. Defaults to a system-specified policy.
`timeout`	`float` The timeout for this request. Defaults to a system-specified value.

Returns
Type	Description
`list`	The aggregation query results

sum

sum(field_ref: str | FieldPath, alias: str | None = None)

Adds a sum over the nested query