Package com.amazonaws.athena.connectors.tpcds

Class TPCDSUtils

  • public class TPCDSUtils
extends Object
    Utility class that centralizes a few commonly used tools for working with the TPC-DS Tables,Columns,Schemas.

    • Method Detail

      • convertColumn

        public static org.apache.arrow.vector.types.pojo.Field convertColumn​(com.teradata.tpcds.column.Column column)
        Converts from TPCDS columns to Apache Arrow fields.
        Parameters:
        column - The TPCDS column to conver.
        Returns:
        The Apache Arrow field that corresponds to the TPCDS column.

      • extractScaleFactor

        public static int extractScaleFactor​(String schemaName)
        Extracts the scale factor of the schema from its name.
        Parameters:
        schemaName - The schema name from which to extract a scale factor.
        Returns:
        The scale factor associated with the schema name. Method throws is the scale factor can not be determined.

      • validateTable

        public static com.teradata.tpcds.Table validateTable​(TableName tableName)
        Required that the requested Table be present in the TPCDS generated schema.
        Parameters:
        tableName - The fully qualified name of the requested table.
        Returns:
        The TPCDS table, if present, otherwise the method throws.

      • validateQptTable

        public static com.teradata.tpcds.Table validateQptTable​(Map<String,​String> query)
        Required that the requested Table be present in the TPCDS generated schema And For Query Passthrough; only support ONE table per select statement; And should only be used for testing.
        Parameters:
        query - Query Passthrough
        Returns:
        The TPCDS table, if present, otherwise the method throws.