Class

org.apache.spark.sql.execution.datasources

CatalogFileIndex

Related Doc: package datasources

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class CatalogFileIndex extends FileIndex

A FileIndex for a metastore catalog table.

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Instance Constructors

  1. new CatalogFileIndex(sparkSession: SparkSession, table: CatalogTable, sizeInBytes: Long)

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    sparkSession

    a SparkSession

    table

    the metadata of the table

    sizeInBytes

    the table's data size in bytes

Value Members

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

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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    @throws( ... )
  6. final def eq(arg0: AnyRef): Boolean

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  7. def equals(o: Any): Boolean

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    CatalogFileIndex → AnyRef → Any
  8. def filterPartitions(filters: Seq[Expression]): InMemoryFileIndex

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    Returns a InMemoryFileIndex for this table restricted to the subset of partitions specified by the given partition-pruning filters.

    Returns a InMemoryFileIndex for this table restricted to the subset of partitions specified by the given partition-pruning filters.

    filters

    partition-pruning filters

  9. def finalize(): Unit

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    @throws( classOf[java.lang.Throwable] )
  10. final def getClass(): Class[_]

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  11. val hadoopConf: Configuration

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    Attributes
    protected
  12. def hashCode(): Int

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    Definition Classes
    CatalogFileIndex → AnyRef → Any
  13. def inputFiles: Array[String]

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    Returns the list of files that will be read when scanning this relation.

    Returns the list of files that will be read when scanning this relation. This call may be very expensive for large tables.

    Definition Classes
    CatalogFileIndexFileIndex
  14. final def isInstanceOf[T0]: Boolean

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  15. def listFiles(filters: Seq[Expression]): Seq[PartitionDirectory]

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    Returns all valid files grouped into partitions when the data is partitioned.

    Returns all valid files grouped into partitions when the data is partitioned. If the data is unpartitioned, this will return a single partition with no partition values.

    filters

    The filters used to prune which partitions are returned. These filters must only refer to partition columns and this method will only return files where these predicates are guaranteed to evaluate to true. Thus, these filters will not need to be evaluated again on the returned data.

    Definition Classes
    CatalogFileIndexFileIndex
  16. final def ne(arg0: AnyRef): Boolean

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  17. final def notify(): Unit

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  18. final def notifyAll(): Unit

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  19. def partitionSchema: StructType

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    Schema of the partitioning columns, or the empty schema if the table is not partitioned.

    Schema of the partitioning columns, or the empty schema if the table is not partitioned.

    Definition Classes
    CatalogFileIndexFileIndex
  20. def refresh(): Unit

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    Refresh any cached file listings

    Refresh any cached file listings

    Definition Classes
    CatalogFileIndexFileIndex
  21. def rootPaths: Seq[Path]

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    Returns the list of root input paths from which the catalog will get files.

    Returns the list of root input paths from which the catalog will get files. There may be a single root path from which partitions are discovered, or individual partitions may be specified by each path.

    Definition Classes
    CatalogFileIndexFileIndex
  22. val sizeInBytes: Long

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    the table's data size in bytes

    the table's data size in bytes

    Definition Classes
    CatalogFileIndexFileIndex
  23. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
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  24. val table: CatalogTable

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    the metadata of the table

  25. def toString(): String

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  26. final def wait(): Unit

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  27. final def wait(arg0: Long, arg1: Int): Unit

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  28. final def wait(arg0: Long): Unit

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Inherited from FileIndex

Inherited from AnyRef

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