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  • package root
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  • package org
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  • package apache
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  • package spark
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    apache
  • package sql
    Definition Classes
    spark
  • package execution

    The physical execution component of Spark SQL.

    The physical execution component of Spark SQL. Note that this is a private package. All classes in catalyst are considered an internal API to Spark SQL and are subject to change between minor releases.

    Definition Classes
    sql
  • package datasources
    Definition Classes
    execution
  • class FileResolver extends ResolverExtension

    The FileResolver is a MetadataResolver extension that resolves UnresolvedRelation which is created out of file.

    The FileResolver is a MetadataResolver extension that resolves UnresolvedRelation which is created out of file. It reuses the code from ResolveSQLOnFile to resolve it properly.

    We have it as an extension to avoid cyclic dependencies between resolver and datasources packages.

    Definition Classes
    datasources
  • UnresolvedRelationResolution
o

org.apache.spark.sql.execution.datasources.FileResolver

UnresolvedRelationResolution

object UnresolvedRelationResolution

ResolveSQLOnFile code that is reused to resolve UnresolvedRelation has ExpressionEncoder.resolveAndBind on its path which introduces another call to the analyzer which is acceptable as it is called on the leaf node of the plan. That's why we have to allow invoking transforms in the single-pass analyzer.

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