Package io.deephaven.parquet.table.location

Interface ParquetColumnResolver

All Known Implementing Classes:
ParquetColumnResolverMap
public interface ParquetColumnResolver
A resolver from Deephaven column names to Parquet paths.

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Interface
    Description
    static interface 
    ParquetColumnResolver.Factory
    A factory for creating Parquet column resolvers.

  • Method Summary

    Modifier and Type
    Method
    Description
    Optional<List<String>>
    of(String columnName)
    The path to the leaf field in the Parquet schema corresponding to the Deephaven columnName.

  • Method Details

    • of

      Optional<List<String>> of(String columnName)
      The path to the leaf field in the Parquet schema corresponding to the Deephaven columnName.
      Parameters:
      columnName - the column name
      Returns:
      the path to the leaf field in the Parquet schema
      See Also:
      • ColumnDescriptor.getPath()
      • MessageType.getColumnDescription(String[])