org.apache.spark.sql.sources

CatalystScan

trait CatalystScan extends AnyRef

::Experimental:: An interface for experimenting with a more direct connection to the query planner. Compared to PrunedFilteredScan, this operator receives the raw expressions from the org.apache.spark.sql.catalyst.plans.logical.LogicalPlan. Unlike the other APIs this interface is NOT designed to be binary compatible across releases and thus should only be used for experimentation.

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@Experimental()
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  1. abstract def buildScan(requiredColumns: Seq[Attribute], filters: Seq[Expression]): RDD[Row]

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