Trait

org.apache.spark.sql.util

QueryExecutionListener

Related Doc: package util

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trait QueryExecutionListener extends AnyRef

:: Experimental :: The interface of query execution listener that can be used to analyze execution metrics.

Note that implementations should guarantee thread-safety as they can be invoked by multiple different threads.

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@Experimental()
Source
QueryExecutionListener.scala
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Abstract Value Members

  1. abstract def onFailure(funcName: String, qe: QueryExecution, exception: Exception): Unit

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    A callback function that will be called when a query execution failed.

    A callback function that will be called when a query execution failed. Note that this can be invoked by multiple different threads.

    funcName

    the name of the action that triggered this query.

    qe

    the QueryExecution object that carries detail information like logical plan, physical plan, etc.

    exception

    the exception that failed this query.

    Annotations
    @DeveloperApi()
  2. abstract def onSuccess(funcName: String, qe: QueryExecution, durationNs: Long): Unit

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    A callback function that will be called when a query executed successfully.

    A callback function that will be called when a query executed successfully. Note that this can be invoked by multiple different threads.

    funcName

    name of the action that triggered this query.

    qe

    the QueryExecution object that carries detail information like logical plan, physical plan, etc.

    durationNs

    the execution time for this query in nanoseconds.

    Annotations
    @DeveloperApi()

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  1. final def !=(arg0: Any): Boolean

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