Trait

org.apache.spark.sql.sources

IndexableRelation

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trait IndexableRelation extends AnyRef

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@DeveloperApi()
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BaseColumnFormatRelation, ColumnFormatRelation, IndexColumnFormatRelation, JDBCAppendableRelation, JDBCMutableRelation, RowFormatRelation
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Abstract Value Members

  1. abstract def createIndex(indexIdent: TableIdentifier, tableIdent: TableIdentifier, indexColumns: Seq[(String, Option[SortDirection])], options: Map[String, String]): Unit

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    Create an index on a table.

    Create an index on a table.

    indexIdent

    Index Identifier which goes in the catalog

    tableIdent

    Table identifier on which the index is created.

    indexColumns

    Columns on which the index has to be created with the direction of sorting. Direction can be specified as None.

    options

    Options for indexes. For e.g. column table index - ("COLOCATE_WITH"->"CUSTOMER"). row table index - ("INDEX_TYPE"->"GLOBAL HASH") or ("INDEX_TYPE"->"UNIQUE")

  2. abstract def dropIndex(indexIdent: TableIdentifier, tableIdent: TableIdentifier, ifExists: Boolean): Unit

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    Drops an index on this table

    Drops an index on this table

    indexIdent

    Index identifier

    tableIdent

    Table identifier

    ifExists

    Drop if exists

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