Examples with SerDeException org.apache.hadoop.hive.serde2.SerDeException used on opensource projects

Example 41 with SerDeException

use of org.apache.hadoop.hive.serde2.SerDeException in project hive by apache.

the class TestAvroDeserializer method canDeserializeEnums.

// Enums are one of two types we fudge for Hive. Enums go in, Strings come out.
@Test
public void canDeserializeEnums() throws SerDeException, IOException {
    Schema s = AvroSerdeUtils.getSchemaFor(TestAvroObjectInspectorGenerator.ENUM_SCHEMA);
    GenericData.Record record = new GenericData.Record(s);
    record.put("baddies", new GenericData.EnumSymbol(s.getField("baddies").schema(), "DALEKS"));
    assertTrue(GENERIC_DATA.validate(s, record));
    AvroGenericRecordWritable garw = Utils.serializeAndDeserializeRecord(record);
    AvroObjectInspectorGenerator aoig = new AvroObjectInspectorGenerator(s);
    AvroDeserializer de = new AvroDeserializer();
    ArrayList<Object> row = (ArrayList<Object>) de.deserialize(aoig.getColumnNames(), aoig.getColumnTypes(), garw, s);
    assertEquals(1, row.size());
    StandardStructObjectInspector oi = (StandardStructObjectInspector) aoig.getObjectInspector();
    List<? extends StructField> fieldRefs = oi.getAllStructFieldRefs();
    assertEquals(1, fieldRefs.size());
    StructField fieldRef = fieldRefs.get(0);
    assertEquals("baddies", fieldRef.getFieldName());
    Object theStringObject = oi.getStructFieldData(row, fieldRef);
    assertTrue(fieldRef.getFieldObjectInspector() instanceof StringObjectInspector);
    StringObjectInspector soi = (StringObjectInspector) fieldRef.getFieldObjectInspector();
    String finalValue = soi.getPrimitiveJavaObject(theStringObject);
    assertEquals("DALEKS", finalValue);
}

Example 42 with SerDeException

use of org.apache.hadoop.hive.serde2.SerDeException in project hive by apache.

the class TestAvroDeserializer method canDeserializeMapsWithJavaLangStringKeys.

@Test
public void canDeserializeMapsWithJavaLangStringKeys() throws IOException, SerDeException {
    // Ensures maps can be deserialized when avro.java.string=String.
    // See http://stackoverflow.com/a/19868919/312944 for why that might be used.
    String schemaString = "{\n" + "  \"namespace\": \"testing\",\n" + "  \"name\": \"oneMap\",\n" + "  \"type\": \"record\",\n" + "  \"fields\": [\n" + "    {\n" + "      \"name\":\"aMap\",\n" + "      \"type\":{\"type\":\"map\",\n" + "      \"avro.java.string\":\"String\",\n" + "      \"values\":\"long\"}\n" + "\t}\n" + "  ]\n" + "}";
    Schema s = AvroSerdeUtils.getSchemaFor(schemaString);
    GenericData.Record record = new GenericData.Record(s);
    Map<String, Long> m = new Hashtable<String, Long>();
    m.put("one", 1l);
    m.put("two", 2l);
    m.put("three", 3l);
    record.put("aMap", m);
    assertTrue(GENERIC_DATA.validate(s, record));
    System.out.println("record = " + record);
    AvroGenericRecordWritable garw = Utils.serializeAndDeserializeRecord(record);
    AvroObjectInspectorGenerator aoig = new AvroObjectInspectorGenerator(s);
    AvroDeserializer de = new AvroDeserializer();
    ArrayList<Object> row = (ArrayList<Object>) de.deserialize(aoig.getColumnNames(), aoig.getColumnTypes(), garw, s);
    assertEquals(1, row.size());
    Object theMapObject = row.get(0);
    assertTrue(theMapObject instanceof Map);
    Map theMap = (Map) theMapObject;
    // Verify the raw object that's been created
    assertEquals(1l, theMap.get("one"));
    assertEquals(2l, theMap.get("two"));
    assertEquals(3l, theMap.get("three"));
    // Verify that the provided object inspector can pull out these same values
    StandardStructObjectInspector oi = (StandardStructObjectInspector) aoig.getObjectInspector();
    List<Object> z = oi.getStructFieldsDataAsList(row);
    assertEquals(1, z.size());
    StructField fieldRef = oi.getStructFieldRef("amap");
    Map theMap2 = (Map) oi.getStructFieldData(row, fieldRef);
    assertEquals(1l, theMap2.get("one"));
    assertEquals(2l, theMap2.get("two"));
    assertEquals(3l, theMap2.get("three"));
}

Example 43 with SerDeException

use of org.apache.hadoop.hive.serde2.SerDeException in project hive by apache.

the class TestAvroDeserializer method canDeserializeFixed.

// Fixed doesn't exist in Hive. Fixeds go in, lists of bytes go out.
@Test
public void canDeserializeFixed() throws SerDeException, IOException {
    Schema s = AvroSerdeUtils.getSchemaFor(TestAvroObjectInspectorGenerator.FIXED_SCHEMA);
    GenericData.Record record = new GenericData.Record(s);
    byte[] bytes = "ANANCIENTBLUEBOX".getBytes();
    record.put("hash", new GenericData.Fixed(s, bytes));
    assertTrue(GENERIC_DATA.validate(s, record));
    AvroGenericRecordWritable garw = Utils.serializeAndDeserializeRecord(record);
    AvroObjectInspectorGenerator aoig = new AvroObjectInspectorGenerator(s);
    AvroDeserializer de = new AvroDeserializer();
    ArrayList<Object> row = (ArrayList<Object>) de.deserialize(aoig.getColumnNames(), aoig.getColumnTypes(), garw, s);
    assertEquals(1, row.size());
    Object byteObject = row.get(0);
    assertTrue(byteObject instanceof byte[]);
    byte[] outBytes = (byte[]) byteObject;
    // Verify the raw object that's been created
    for (int i = 0; i < bytes.length; i++) {
        assertEquals(bytes[i], outBytes[i]);
    }
    // Now go the correct way, through objectinspectors
    StandardStructObjectInspector oi = (StandardStructObjectInspector) aoig.getObjectInspector();
    List<Object> fieldsDataAsList = oi.getStructFieldsDataAsList(row);
    assertEquals(1, fieldsDataAsList.size());
    StructField fieldRef = oi.getStructFieldRef("hash");
    outBytes = (byte[]) oi.getStructFieldData(row, fieldRef);
    for (int i = 0; i < outBytes.length; i++) {
        assertEquals(bytes[i], outBytes[i]);
    }
}

Example 44 with SerDeException

use of org.apache.hadoop.hive.serde2.SerDeException in project hive by apache.

the class TestLazyBinaryColumnarSerDe method testSerDeOuterNulls.

public void testSerDeOuterNulls() throws SerDeException {
    StructObjectInspector oi = (StructObjectInspector) ObjectInspectorFactory.getReflectionObjectInspector(OuterStruct.class, ObjectInspectorOptions.JAVA);
    String cols = ObjectInspectorUtils.getFieldNames(oi);
    Properties props = new Properties();
    props.setProperty(serdeConstants.LIST_COLUMNS, cols);
    props.setProperty(serdeConstants.LIST_COLUMN_TYPES, ObjectInspectorUtils.getFieldTypes(oi));
    LazyBinaryColumnarSerDe serde = new LazyBinaryColumnarSerDe();
    SerDeUtils.initializeSerDe(serde, new Configuration(), props, null);
    OuterStruct outerStruct = new OuterStruct();
    BytesRefArrayWritable braw = (BytesRefArrayWritable) serde.serialize(outerStruct, oi);
    ObjectInspector out_oi = serde.getObjectInspector();
    Object out_o = serde.deserialize(braw);
    if (0 != ObjectInspectorUtils.compare(outerStruct, oi, out_o, out_oi, new SimpleMapEqualComparer())) {
        System.out.println("expected = " + SerDeUtils.getJSONString(outerStruct, oi));
        System.out.println("actual = " + SerDeUtils.getJSONString(out_o, out_oi));
        fail("Deserialized object does not compare");
    }
}

Example 45 with SerDeException

use of org.apache.hadoop.hive.serde2.SerDeException in project hive by apache.

the class TestLazyBinaryColumnarSerDe method testSerDeInnerNulls.

public void testSerDeInnerNulls() throws SerDeException {
    StructObjectInspector oi = (StructObjectInspector) ObjectInspectorFactory.getReflectionObjectInspector(OuterStruct.class, ObjectInspectorOptions.JAVA);
    String cols = ObjectInspectorUtils.getFieldNames(oi);
    Properties props = new Properties();
    props.setProperty(serdeConstants.LIST_COLUMNS, cols);
    props.setProperty(serdeConstants.LIST_COLUMN_TYPES, ObjectInspectorUtils.getFieldTypes(oi));
    LazyBinaryColumnarSerDe serde = new LazyBinaryColumnarSerDe();
    SerDeUtils.initializeSerDe(serde, new Configuration(), props, null);
    OuterStruct outerStruct = new OuterStruct();
    outerStruct.mByte = 1;
    outerStruct.mShort = 2;
    outerStruct.mInt = 3;
    outerStruct.mLong = 4l;
    outerStruct.mFloat = 5.01f;
    outerStruct.mDouble = 6.001d;
    outerStruct.mString = "seven";
    outerStruct.mBA = new byte[] { '3' };
    InnerStruct is1 = new InnerStruct(null, 9l);
    InnerStruct is2 = new InnerStruct(10, null);
    outerStruct.mArray = new ArrayList<InnerStruct>(2);
    outerStruct.mArray.add(is1);
    outerStruct.mArray.add(is2);
    outerStruct.mMap = new HashMap<String, InnerStruct>();
    outerStruct.mMap.put(null, new InnerStruct(13, 14l));
    outerStruct.mMap.put(new String("fifteen"), null);
    outerStruct.mStruct = new InnerStruct(null, null);
    BytesRefArrayWritable braw = (BytesRefArrayWritable) serde.serialize(outerStruct, oi);
    ObjectInspector out_oi = serde.getObjectInspector();
    Object out_o = serde.deserialize(braw);
    if (0 != ObjectInspectorUtils.compare(outerStruct, oi, out_o, out_oi, new SimpleMapEqualComparer())) {
        System.out.println("expected = " + SerDeUtils.getJSONString(outerStruct, oi));
        System.out.println("actual = " + SerDeUtils.getJSONString(out_o, out_oi));
        fail("Deserialized object does not compare");
    }
}