Class QueryPlanEntry (3.22.0)

Version 3.22.0

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QueryPlanEntry()

QueryPlanEntry represents a single stage of a query execution plan.

See https://cloud.google.com/bigquery/docs/reference/rest/v2/Job#ExplainQueryStage for the underlying API representation within query statistics.

Properties

completed_parallel_inputs

Optional[int]: Number of parallel input segments completed.

compute_ms_avg

Optional[int]: Milliseconds the average worker spent on CPU-bound processing.

compute_ms_max

Optional[int]: Milliseconds the slowest worker spent on CPU-bound processing.

compute_ratio_avg

Optional[float]: Ratio of time the average worker spent on CPU-bound processing, relative to the longest time spent by any worker in any stage of the overall plan.

compute_ratio_max

Optional[float]: Ratio of time the slowest worker spent on CPU-bound processing, relative to the longest time spent by any worker in any stage of the overall plan.

end

Optional[Datetime]: Datetime when the stage ended.

entry_id

Optional[str]: Unique ID for the stage within the plan.

input_stages

List(int): Entry IDs for stages that were inputs for this stage.

name

Optional[str]: Human-readable name of the stage.

parallel_inputs

Optional[int]: Number of parallel input segments within the stage.

read_ms_avg

Optional[int]: Milliseconds the average worker spent reading input.

read_ms_max

Optional[int]: Milliseconds the slowest worker spent reading input.

read_ratio_avg

Optional[float]: Ratio of time the average worker spent reading input, relative to the longest time spent by any worker in any stage of the overall plan.

read_ratio_max

Optional[float]: Ratio of time the slowest worker spent reading to be scheduled, relative to the longest time spent by any worker in any stage of the overall plan.

records_read

Optional[int]: Number of records read by this stage.

records_written

Optional[int]: Number of records written by this stage.

shuffle_output_bytes

Optional[int]: Number of bytes written by this stage to intermediate shuffle.

shuffle_output_bytes_spilled

Optional[int]: Number of bytes written by this stage to intermediate shuffle and spilled to disk.

slot_ms

Optional[int]: Slot-milliseconds used by the stage.

start

Optional[Datetime]: Datetime when the stage started.

status

Optional[str]: status of this stage.

steps

List(QueryPlanEntryStep): List of step operations performed by each worker in the stage.

wait_ms_avg

Optional[int]: Milliseconds the average worker spent waiting to be scheduled.

wait_ms_max

Optional[int]: Milliseconds the slowest worker spent waiting to be scheduled.

wait_ratio_avg

Optional[float]: Ratio of time the average worker spent waiting to be scheduled, relative to the longest time spent by any worker in any stage of the overall plan.

wait_ratio_max

Optional[float]: Ratio of time the slowest worker spent waiting to be scheduled, relative to the longest time spent by any worker in any stage of the overall plan.

write_ms_avg

Optional[int]: Milliseconds the average worker spent writing output data.

write_ms_max

Optional[int]: Milliseconds the slowest worker spent writing output data.

write_ratio_avg

Optional[float]: Ratio of time the average worker spent writing output data, relative to the longest time spent by any worker in any stage of the overall plan.

write_ratio_max

Optional[float]: Ratio of time the slowest worker spent writing output data, relative to the longest time spent by any worker in any stage of the overall plan.

Methods

from_api_repr

from_api_repr(resource: dict) -> google.cloud.bigquery.job.query.QueryPlanEntry

Factory: construct instance from the JSON repr.

Returns
Type	Description
google.cloud.bigquery.job.QueryPlanEntry	Query plan entry parsed from resource.