Examples with TextConverter org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorConverter.TextConverter used on opensource projects

Example 6 with TextConverter

use of org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorConverter.TextConverter in project hive by apache.

the class GenericUDFBaseTrim method initialize.

@Override
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length != 1) {
        throw new UDFArgumentException(udfName + " requires one value argument. Found :" + arguments.length);
    }
    PrimitiveObjectInspector argumentOI;
    if (arguments[0] instanceof PrimitiveObjectInspector) {
        argumentOI = (PrimitiveObjectInspector) arguments[0];
    } else {
        throw new UDFArgumentException(udfName + " takes only primitive types. found " + arguments[0].getTypeName());
    }
    switch(argumentOI.getPrimitiveCategory()) {
        case STRING:
        case CHAR:
        case VARCHAR:
            break;
        default:
            throw new UDFArgumentException(udfName + " takes only STRING/CHAR/VARCHAR types. Found " + argumentOI.getPrimitiveCategory());
    }
    converter = new TextConverter(argumentOI);
    return PrimitiveObjectInspectorFactory.writableStringObjectInspector;
}

Example 7 with TextConverter

use of org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorConverter.TextConverter in project hive by apache.

the class TestObjectInspectorConverters method convertText.

private void convertText() {
    Converter textConverter = ObjectInspectorConverters.getConverter(PrimitiveObjectInspectorFactory.javaIntObjectInspector, PrimitiveObjectInspectorFactory.writableStringObjectInspector);
    assertEquals("TextConverter", new Text("0"), textConverter.convert(Integer.valueOf(0)));
    assertEquals("TextConverter", new Text("1"), textConverter.convert(Integer.valueOf(1)));
    assertEquals("TextConverter", null, textConverter.convert(null));
    textConverter = ObjectInspectorConverters.getConverter(PrimitiveObjectInspectorFactory.writableBinaryObjectInspector, PrimitiveObjectInspectorFactory.writableStringObjectInspector);
    assertEquals("TextConverter", new Text("hive"), textConverter.convert(new BytesWritable(new byte[] { (byte) 'h', (byte) 'i', (byte) 'v', (byte) 'e' })));
    assertEquals("TextConverter", null, textConverter.convert(null));
    textConverter = ObjectInspectorConverters.getConverter(PrimitiveObjectInspectorFactory.writableStringObjectInspector, PrimitiveObjectInspectorFactory.writableStringObjectInspector);
    assertEquals("TextConverter", new Text("hive"), textConverter.convert(new Text("hive")));
    assertEquals("TextConverter", null, textConverter.convert(null));
    textConverter = ObjectInspectorConverters.getConverter(PrimitiveObjectInspectorFactory.javaStringObjectInspector, PrimitiveObjectInspectorFactory.writableStringObjectInspector);
    assertEquals("TextConverter", new Text("hive"), textConverter.convert(new String("hive")));
    assertEquals("TextConverter", null, textConverter.convert(null));
    textConverter = ObjectInspectorConverters.getConverter(PrimitiveObjectInspectorFactory.javaHiveDecimalObjectInspector, PrimitiveObjectInspectorFactory.writableStringObjectInspector);
    assertEquals("TextConverter", new Text("100.001000000000000000"), textConverter.convert(HiveDecimal.create("100.001")));
    assertEquals("TextConverter", null, textConverter.convert(null));
}