final classSQLMetric extends AccumulatorV2Kryo[Long, Long] with KryoSerializable
A metric used in a SQL query plan. This is implemented as an AccumulatorV2. Updates on
the executor side are automatically propagated and shown in the SQL UI through metrics. Updates
on the driver side must be explicitly posted using SQLMetrics.postDriverMetricUpdates().
Linear Supertypes
AccumulatorV2Kryo[Long, Long], KryoSerializable, AccumulatorV2[Long, Long], Serializable, Serializable, AnyRef, Any
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SQLMetric
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Instance Constructors
newSQLMetric(metricType: String, initValue: Long = 0L)
A metric used in a SQL query plan. This is implemented as an AccumulatorV2. Updates on the executor side are automatically propagated and shown in the SQL UI through metrics. Updates on the driver side must be explicitly posted using SQLMetrics.postDriverMetricUpdates().