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

Example 41 with ByteWritable

use of org.apache.hadoop.hive.serde2.io.ByteWritable in project hive by apache.

the class TestLazySimpleSerDe method testLazySimpleSerDeMissingColumns.

/**
 * Test the LazySimpleSerDe class with missing columns.
 */
@Test
public void testLazySimpleSerDeMissingColumns() throws Throwable {
    try {
        // Create the SerDe
        LazySimpleSerDe serDe = new LazySimpleSerDe();
        Configuration conf = new Configuration();
        Properties tbl = createProperties();
        serDe.initialize(conf, tbl, null);
        // Data
        Text t = new Text("123\t456\t789\t1000\t5.3\t");
        String s = "123\t456\t789\t1000\t5.3\t\tNULL\tNULL";
        Object[] expectedFieldsData = { new ByteWritable((byte) 123), new ShortWritable((short) 456), new IntWritable(789), new LongWritable(1000), new DoubleWritable(5.3), new Text(""), null, null };
        // Test
        deserializeAndSerialize(serDe, t, s, expectedFieldsData);
    } catch (Throwable e) {
        e.printStackTrace();
        throw e;
    }
}

Example 42 with ByteWritable

use of org.apache.hadoop.hive.serde2.io.ByteWritable in project hive by apache.

the class TestGenericUDFRound method getExpectedResult.

@Override
public InspectableObject[] getExpectedResult() {
    DataBuilder db = new DataBuilder();
    db.setColumnNames("_col1", "_col2", "_col3", "_col4", "_col5", "_col6", "_col7", "_col8");
    db.setColumnTypes(PrimitiveObjectInspectorFactory.javaStringObjectInspector, PrimitiveObjectInspectorFactory.writableIntObjectInspector, PrimitiveObjectInspectorFactory.writableDoubleObjectInspector, PrimitiveObjectInspectorFactory.writableFloatObjectInspector, PrimitiveObjectInspectorFactory.writableByteObjectInspector, PrimitiveObjectInspectorFactory.writableShortObjectInspector, PrimitiveObjectInspectorFactory.writableLongObjectInspector, PrimitiveObjectInspectorFactory.writableHiveDecimalObjectInspector);
    db.addRow(null, new IntWritable(170), new DoubleWritable(1.1), new FloatWritable(32f), new ByteWritable((byte) 0), new ShortWritable((short) 1234), new LongWritable(123500L), new HiveDecimalWritable(HiveDecimal.create("983.724")));
    db.addRow(new DoubleWritable(-200), null, null, new FloatWritable(0f), new ByteWritable((byte) 100), new ShortWritable((short) 551), new LongWritable(900L), new HiveDecimalWritable(HiveDecimal.create("983723.005")));
    db.addRow(new DoubleWritable(500), new IntWritable(22345), new DoubleWritable(-23.000), new FloatWritable(-3f), new ByteWritable((byte) 100), new ShortWritable((short) 2321), new LongWritable(9200L), new HiveDecimalWritable(HiveDecimal.create("-932032.7")));
    return db.createRows();
}

Example 43 with ByteWritable

use of org.apache.hadoop.hive.serde2.io.ByteWritable in project hive by apache.

the class TestGenericUDFOPPositive method testByte.

@Test
public void testByte() throws HiveException {
    GenericUDFOPPositive udf = new GenericUDFOPPositive();
    ByteWritable input = new ByteWritable((byte) 4);
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.writableByteObjectInspector };
    DeferredObject[] args = { new DeferredJavaObject(input) };
    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(TypeInfoFactory.byteTypeInfo, oi.getTypeInfo());
    ByteWritable res = (ByteWritable) udf.evaluate(args);
    Assert.assertEquals((byte) 4, res.get());
}

Example 44 with ByteWritable

use of org.apache.hadoop.hive.serde2.io.ByteWritable in project hive by apache.

the class TestLazyArrayMapStruct method testLazyArray.

/**
 * Test the LazyArray class.
 */
@Test
public void testLazyArray() throws Throwable {
    try {
        // Array of Byte
        Text nullSequence = new Text("\\N");
        ObjectInspector oi = LazyFactory.createLazyObjectInspector(TypeInfoUtils.getTypeInfosFromTypeString("array<tinyint>").get(0), new byte[] { (byte) 1 }, 0, nullSequence, false, (byte) 0);
        LazyArray b = (LazyArray) LazyFactory.createLazyObject(oi);
        byte[] data = new byte[] { '-', '1', 1, '\\', 'N', 1, '8' };
        TestLazyPrimitive.initLazyObject(b, data, 0, data.length);
        assertNull(b.getListElementObject(-1));
        assertEquals(new ByteWritable((byte) -1), ((LazyByte) b.getListElementObject(0)).getWritableObject());
        assertEquals(new ByteWritable((byte) -1), ((LazyByte) b.getList().get(0)).getWritableObject());
        assertNull(b.getListElementObject(1));
        assertNull(b.getList().get(1));
        assertEquals(new ByteWritable((byte) 8), ((LazyByte) b.getListElementObject(2)).getWritableObject());
        assertEquals(new ByteWritable((byte) 8), ((LazyByte) b.getList().get(2)).getWritableObject());
        assertNull(b.getListElementObject(3));
        assertEquals(3, b.getList().size());
        // Array of String
        oi = LazyFactory.createLazyObjectInspector(TypeInfoUtils.getTypeInfosFromTypeString("array<string>").get(0), new byte[] { (byte) '\t' }, 0, nullSequence, false, (byte) 0);
        b = (LazyArray) LazyFactory.createLazyObject(oi);
        data = new byte[] { 'a', 'b', '\t', 'c', '\t', '\\', 'N', '\t', '\t', 'd' };
        // Note: the first and last element of the byte[] are NOT used
        TestLazyPrimitive.initLazyObject(b, data, 1, data.length - 2);
        assertNull(b.getListElementObject(-1));
        assertEquals(new Text("b"), ((LazyString) b.getListElementObject(0)).getWritableObject());
        assertEquals(new Text("b"), ((LazyString) b.getList().get(0)).getWritableObject());
        assertEquals(new Text("c"), ((LazyString) b.getListElementObject(1)).getWritableObject());
        assertEquals(new Text("c"), ((LazyString) b.getList().get(1)).getWritableObject());
        assertNull((b.getListElementObject(2)));
        assertNull((b.getList().get(2)));
        assertEquals(new Text(""), ((LazyString) b.getListElementObject(3)).getWritableObject());
        assertEquals(new Text(""), ((LazyString) b.getList().get(3)).getWritableObject());
        assertEquals(new Text(""), ((LazyString) b.getListElementObject(4)).getWritableObject());
        assertEquals(new Text(""), ((LazyString) b.getList().get(4)).getWritableObject());
        assertNull((b.getListElementObject(5)));
        assertEquals(5, b.getList().size());
        // -- HIVE-4149
        b = (LazyArray) LazyFactory.createLazyObject(oi);
        data = new byte[] { 'a', '\t', '\\', 'N' };
        TestLazyPrimitive.initLazyObject(b, data, 0, data.length);
        assertEquals(new Text("a"), ((LazyString) b.getListElementObject(0)).getWritableObject());
        assertNull(b.getListElementObject(1));
        data = new byte[] { '\\', 'N', '\t', 'a' };
        TestLazyPrimitive.initLazyObject(b, data, 0, data.length);
        assertNull(b.getListElementObject(0));
        // twice (returns not cleaned cache)
        assertNull(b.getListElementObject(0));
        assertEquals(new Text("a"), ((LazyString) b.getListElementObject(1)).getWritableObject());
    } catch (Throwable e) {
        e.printStackTrace();
        throw e;
    }
}

Example 45 with ByteWritable

use of org.apache.hadoop.hive.serde2.io.ByteWritable in project hive by apache.

the class TestLazyArrayMapStruct method testNestedinArrayAtLevel.

/**
 * @param nestingLevel
 * @param dtype
 * @param tableProp
 * @throws SerDeException
 */
private void testNestedinArrayAtLevel(int nestingLevel, ObjectInspector.Category dtype, Properties tableProp) throws SerDeException {
    // create type with nestingLevel levels of nesting
    // set inner schema for dtype
    String inSchema = null;
    switch(dtype) {
        case LIST:
            inSchema = "array<tinyint>";
            break;
        case MAP:
            inSchema = "map<string,int>";
            break;
        case STRUCT:
            inSchema = "struct<s:string,i:tinyint>";
            break;
        case UNION:
            inSchema = "uniontype<string,tinyint>";
            break;
        default:
            fail("type not supported by test case");
    }
    StringBuilder schema = new StringBuilder(inSchema);
    for (int i = 0; i < nestingLevel - 1; i++) {
        schema.insert(0, "array<");
        schema.append(">");
    }
    System.err.println("Testing nesting level " + nestingLevel + ". Using schema " + schema);
    // Create the SerDe
    LazySimpleSerDe serDe = new LazySimpleSerDe();
    Configuration conf = new Configuration();
    tableProp.setProperty("columns", "narray");
    tableProp.setProperty("columns.types", schema.toString());
    serDe.initialize(conf, tableProp, null);
    LazySerDeParameters serdeParams = new LazySerDeParameters(conf, tableProp, LazySimpleSerDe.class.getName());
    // create the serialized string for type
    byte[] separators = serdeParams.getSeparators();
    System.err.println("Using separator " + (char) separators[nestingLevel]);
    byte[] serializedRow = null;
    switch(dtype) {
        case LIST:
            serializedRow = new byte[] { '8', separators[nestingLevel], '9' };
            break;
        case MAP:
            byte kvSep = separators[nestingLevel + 1];
            byte kvPairSep = separators[nestingLevel];
            serializedRow = new byte[] { '1', kvSep, '1', kvPairSep, '2', kvSep, '2' };
            break;
        case STRUCT:
            serializedRow = new byte[] { '8', separators[nestingLevel], '9' };
            break;
        case UNION:
            serializedRow = new byte[] { '0', separators[nestingLevel], '9' };
            break;
        default:
            fail("type not supported by test case");
    }
    // create LazyStruct with serialized string with expected separators
    StructObjectInspector oi = (StructObjectInspector) serDe.getObjectInspector();
    LazyStruct struct = (LazyStruct) LazyFactory.createLazyObject(oi);
    TestLazyPrimitive.initLazyObject(struct, serializedRow, 0, serializedRow.length);
    // Get fields out of the lazy struct and check if they match expected
    // results
    // Get first level array
    LazyArray array = (LazyArray) struct.getField(0);
    // Peel off the n-1 levels to get to the underlying array
    for (int i = 0; i < nestingLevel - 2; i++) {
        array = (LazyArray) array.getListElementObject(0);
    }
    // verify the serialized format for dtype
    switch(dtype) {
        case LIST:
            LazyArray array1 = (LazyArray) array.getListElementObject(0);
            // check elements of the innermost array
            assertEquals(2, array1.getListLength());
            assertEquals(new ByteWritable((byte) 8), ((LazyByte) array1.getListElementObject(0)).getWritableObject());
            assertEquals(new ByteWritable((byte) 9), ((LazyByte) array1.getListElementObject(1)).getWritableObject());
            break;
        case MAP:
            LazyMap lazyMap = (LazyMap) array.getListElementObject(0);
            Map map = lazyMap.getMap();
            System.err.println(map);
            assertEquals(2, map.size());
            Iterator<Map.Entry<LazyString, LazyInteger>> it = map.entrySet().iterator();
            Entry<LazyString, LazyInteger> e1 = it.next();
            assertEquals(e1.getKey().getWritableObject(), new Text(new byte[] { '1' }));
            assertEquals(e1.getValue().getWritableObject(), new IntWritable(1));
            Entry<LazyString, LazyInteger> e2 = it.next();
            assertEquals(e2.getKey().getWritableObject(), new Text(new byte[] { '2' }));
            assertEquals(e2.getValue().getWritableObject(), new IntWritable(2));
            break;
        case STRUCT:
            LazyStruct innerStruct = (LazyStruct) array.getListElementObject(0);
            // check elements of the innermost struct
            assertEquals(2, innerStruct.getFieldsAsList().size());
            assertEquals(new Text(new byte[] { '8' }), ((LazyString) innerStruct.getField(0)).getWritableObject());
            assertEquals(new ByteWritable((byte) 9), ((LazyByte) innerStruct.getField(1)).getWritableObject());
            break;
        case UNION:
            LazyUnion lazyUnion = (LazyUnion) array.getListElementObject(0);
            // check elements of the innermost union
            assertEquals(new Text(new byte[] { '9' }), ((LazyString) lazyUnion.getField()).getWritableObject());
            break;
        default:
            fail("type not supported by test case");
    }
    // test serialization
    Text serializedText = (Text) serDe.serialize(struct.getObject(), serDe.getObjectInspector());
    org.junit.Assert.assertArrayEquals(serializedRow, serializedText.getBytes());
}