Examples with ArrayMapWriter org.apache.drill.exec.vector.accessor.writer.MapWriter.ArrayMapWriter used on opensource projects

Example 1 with ArrayMapWriter

use of org.apache.drill.exec.vector.accessor.writer.MapWriter.ArrayMapWriter in project drill by axbaretto.

the class ColumnWriterFactory method buildMapArray.

public static ArrayObjectWriter buildMapArray(ColumnMetadata schema, UInt4Vector offsetVector, List<AbstractObjectWriter> writers) {
    MapWriter mapWriter;
    if (schema.isProjected()) {
        mapWriter = new ArrayMapWriter(schema, writers);
    } else {
        mapWriter = new DummyArrayMapWriter(schema, writers);
    }
    TupleObjectWriter mapArray = new TupleObjectWriter(schema, mapWriter);
    AbstractArrayWriter arrayWriter;
    if (schema.isProjected()) {
        arrayWriter = new ObjectArrayWriter(offsetVector, mapArray);
    } else {
        arrayWriter = new DummyArrayWriter(mapArray);
    }
    return new ArrayObjectWriter(schema, arrayWriter);
}