Package org.apache.druid.frame.read.columnar
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Interface Summary Interface Description FrameColumnReader Embeds the logic to read a specific column from frames with a specificRowSignature. -
Class Summary Class Description ColumnPlus ComplexFrameColumnReader DoubleArrayFrameColumnReader Reader for columns written byDoubleArrayFrameColumnWriterDoubleFrameColumnReader FloatArrayFrameColumnReader Reader for columns written byFloatArrayFrameColumnWriterFloatFrameColumnReader FrameColumnReaders CreatesFrameColumnReadercorresponding to a given column type and number.FrameColumnReaderUtils LongArrayFrameColumnReader Reader for columns written byLongArrayFrameColumnWriterLongFrameColumnReader NumericArrayFrameColumnReader Implementations of this class reads columns written by the corresponding implementations ofNumericArrayFrameColumnWriter.NumericArrayFrameColumnReader.NumericArrayFrameColumn StringFrameColumnReader UnsupportedColumnTypeFrameColumnReader Dummy reader for unsupported types.