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Example 36 with IntWritable

use of org.apache.hadoop.io.IntWritable in project hive by apache.

the class TestGenericUDFCeil method testInt.

@Test
public void testInt() throws HiveException {
    GenericUDFCeil udf = new GenericUDFCeil();
    IntWritable input = new IntWritable(747);
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.writableIntObjectInspector };
    DeferredObject[] args = { new DeferredJavaObject(input) };
    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(TypeInfoFactory.longTypeInfo, oi.getTypeInfo());
    LongWritable res = (LongWritable) udf.evaluate(args);
    Assert.assertEquals(747L, res.get());
}
Also used : PrimitiveObjectInspector(org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector) ObjectInspector(org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector) DeferredJavaObject(org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredJavaObject) DeferredObject(org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject) PrimitiveObjectInspector(org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector) LongWritable(org.apache.hadoop.io.LongWritable) IntWritable(org.apache.hadoop.io.IntWritable) Test(org.junit.Test)

Example 37 with IntWritable

use of org.apache.hadoop.io.IntWritable in project hive by apache.

the class TestGenericUDFLpad method runAndVerify.

private void runAndVerify(String str, int len, String pad, String expResult, GenericUDF udf) throws HiveException {
    DeferredObject valueObj1 = new DeferredJavaObject(new Text(str));
    DeferredObject valueObj2 = new DeferredJavaObject(new IntWritable(len));
    DeferredObject valueObj3 = new DeferredJavaObject(new Text(pad));
    DeferredObject[] args = { valueObj1, valueObj2, valueObj3 };
    Object output = udf.evaluate(args);
    if (expResult != null) {
        assertEquals("lpad() test ", expResult, output.toString());
    } else {
        assertNull("lpad() test ", output);
    }
}
Also used : DeferredJavaObject(org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredJavaObject) DeferredObject(org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject) Text(org.apache.hadoop.io.Text) DeferredObject(org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject) DeferredJavaObject(org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredJavaObject) IntWritable(org.apache.hadoop.io.IntWritable)

Example 38 with IntWritable

use of org.apache.hadoop.io.IntWritable in project hive by apache.

the class VerifyFast method verifyDeserializeRead.

public static void verifyDeserializeRead(DeserializeRead deserializeRead, PrimitiveTypeInfo primitiveTypeInfo, Writable writable) throws IOException {
    boolean isNull;
    isNull = !deserializeRead.readNextField();
    if (isNull) {
        if (writable != null) {
            TestCase.fail("Field reports null but object is not null (class " + writable.getClass().getName() + ", " + writable.toString() + ")");
        }
        return;
    } else if (writable == null) {
        TestCase.fail("Field report not null but object is null");
    }
    switch(primitiveTypeInfo.getPrimitiveCategory()) {
        case BOOLEAN:
            {
                boolean value = deserializeRead.currentBoolean;
                if (!(writable instanceof BooleanWritable)) {
                    TestCase.fail("Boolean expected writable not Boolean");
                }
                boolean expected = ((BooleanWritable) writable).get();
                if (value != expected) {
                    TestCase.fail("Boolean field mismatch (expected " + expected + " found " + value + ")");
                }
            }
            break;
        case BYTE:
            {
                byte value = deserializeRead.currentByte;
                if (!(writable instanceof ByteWritable)) {
                    TestCase.fail("Byte expected writable not Byte");
                }
                byte expected = ((ByteWritable) writable).get();
                if (value != expected) {
                    TestCase.fail("Byte field mismatch (expected " + (int) expected + " found " + (int) value + ")");
                }
            }
            break;
        case SHORT:
            {
                short value = deserializeRead.currentShort;
                if (!(writable instanceof ShortWritable)) {
                    TestCase.fail("Short expected writable not Short");
                }
                short expected = ((ShortWritable) writable).get();
                if (value != expected) {
                    TestCase.fail("Short field mismatch (expected " + expected + " found " + value + ")");
                }
            }
            break;
        case INT:
            {
                int value = deserializeRead.currentInt;
                if (!(writable instanceof IntWritable)) {
                    TestCase.fail("Integer expected writable not Integer");
                }
                int expected = ((IntWritable) writable).get();
                if (value != expected) {
                    TestCase.fail("Int field mismatch (expected " + expected + " found " + value + ")");
                }
            }
            break;
        case LONG:
            {
                long value = deserializeRead.currentLong;
                if (!(writable instanceof LongWritable)) {
                    TestCase.fail("Long expected writable not Long");
                }
                Long expected = ((LongWritable) writable).get();
                if (value != expected) {
                    TestCase.fail("Long field mismatch (expected " + expected + " found " + value + ")");
                }
            }
            break;
        case FLOAT:
            {
                float value = deserializeRead.currentFloat;
                if (!(writable instanceof FloatWritable)) {
                    TestCase.fail("Float expected writable not Float");
                }
                float expected = ((FloatWritable) writable).get();
                if (value != expected) {
                    TestCase.fail("Float field mismatch (expected " + expected + " found " + value + ")");
                }
            }
            break;
        case DOUBLE:
            {
                double value = deserializeRead.currentDouble;
                if (!(writable instanceof DoubleWritable)) {
                    TestCase.fail("Double expected writable not Double");
                }
                double expected = ((DoubleWritable) writable).get();
                if (value != expected) {
                    TestCase.fail("Double field mismatch (expected " + expected + " found " + value + ")");
                }
            }
            break;
        case STRING:
            {
                byte[] stringBytes = Arrays.copyOfRange(deserializeRead.currentBytes, deserializeRead.currentBytesStart, deserializeRead.currentBytesStart + deserializeRead.currentBytesLength);
                Text text = new Text(stringBytes);
                String string = text.toString();
                String expected = ((Text) writable).toString();
                if (!string.equals(expected)) {
                    TestCase.fail("String field mismatch (expected '" + expected + "' found '" + string + "')");
                }
            }
            break;
        case CHAR:
            {
                byte[] stringBytes = Arrays.copyOfRange(deserializeRead.currentBytes, deserializeRead.currentBytesStart, deserializeRead.currentBytesStart + deserializeRead.currentBytesLength);
                Text text = new Text(stringBytes);
                String string = text.toString();
                HiveChar hiveChar = new HiveChar(string, ((CharTypeInfo) primitiveTypeInfo).getLength());
                HiveChar expected = ((HiveCharWritable) writable).getHiveChar();
                if (!hiveChar.equals(expected)) {
                    TestCase.fail("Char field mismatch (expected '" + expected + "' found '" + hiveChar + "')");
                }
            }
            break;
        case VARCHAR:
            {
                byte[] stringBytes = Arrays.copyOfRange(deserializeRead.currentBytes, deserializeRead.currentBytesStart, deserializeRead.currentBytesStart + deserializeRead.currentBytesLength);
                Text text = new Text(stringBytes);
                String string = text.toString();
                HiveVarchar hiveVarchar = new HiveVarchar(string, ((VarcharTypeInfo) primitiveTypeInfo).getLength());
                HiveVarchar expected = ((HiveVarcharWritable) writable).getHiveVarchar();
                if (!hiveVarchar.equals(expected)) {
                    TestCase.fail("Varchar field mismatch (expected '" + expected + "' found '" + hiveVarchar + "')");
                }
            }
            break;
        case DECIMAL:
            {
                HiveDecimal value = deserializeRead.currentHiveDecimalWritable.getHiveDecimal();
                if (value == null) {
                    TestCase.fail("Decimal field evaluated to NULL");
                }
                HiveDecimal expected = ((HiveDecimalWritable) writable).getHiveDecimal();
                if (!value.equals(expected)) {
                    DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) primitiveTypeInfo;
                    int precision = decimalTypeInfo.getPrecision();
                    int scale = decimalTypeInfo.getScale();
                    TestCase.fail("Decimal field mismatch (expected " + expected.toString() + " found " + value.toString() + ") precision " + precision + ", scale " + scale);
                }
            }
            break;
        case DATE:
            {
                Date value = deserializeRead.currentDateWritable.get();
                Date expected = ((DateWritable) writable).get();
                if (!value.equals(expected)) {
                    TestCase.fail("Date field mismatch (expected " + expected.toString() + " found " + value.toString() + ")");
                }
            }
            break;
        case TIMESTAMP:
            {
                Timestamp value = deserializeRead.currentTimestampWritable.getTimestamp();
                Timestamp expected = ((TimestampWritable) writable).getTimestamp();
                if (!value.equals(expected)) {
                    TestCase.fail("Timestamp field mismatch (expected " + expected.toString() + " found " + value.toString() + ")");
                }
            }
            break;
        case INTERVAL_YEAR_MONTH:
            {
                HiveIntervalYearMonth value = deserializeRead.currentHiveIntervalYearMonthWritable.getHiveIntervalYearMonth();
                HiveIntervalYearMonth expected = ((HiveIntervalYearMonthWritable) writable).getHiveIntervalYearMonth();
                if (!value.equals(expected)) {
                    TestCase.fail("HiveIntervalYearMonth field mismatch (expected " + expected.toString() + " found " + value.toString() + ")");
                }
            }
            break;
        case INTERVAL_DAY_TIME:
            {
                HiveIntervalDayTime value = deserializeRead.currentHiveIntervalDayTimeWritable.getHiveIntervalDayTime();
                HiveIntervalDayTime expected = ((HiveIntervalDayTimeWritable) writable).getHiveIntervalDayTime();
                if (!value.equals(expected)) {
                    TestCase.fail("HiveIntervalDayTime field mismatch (expected " + expected.toString() + " found " + value.toString() + ")");
                }
            }
            break;
        case BINARY:
            {
                byte[] byteArray = Arrays.copyOfRange(deserializeRead.currentBytes, deserializeRead.currentBytesStart, deserializeRead.currentBytesStart + deserializeRead.currentBytesLength);
                BytesWritable bytesWritable = (BytesWritable) writable;
                byte[] expected = Arrays.copyOfRange(bytesWritable.getBytes(), 0, bytesWritable.getLength());
                if (byteArray.length != expected.length) {
                    TestCase.fail("Byte Array field mismatch (expected " + Arrays.toString(expected) + " found " + Arrays.toString(byteArray) + ")");
                }
                for (int b = 0; b < byteArray.length; b++) {
                    if (byteArray[b] != expected[b]) {
                        TestCase.fail("Byte Array field mismatch (expected " + Arrays.toString(expected) + " found " + Arrays.toString(byteArray) + ")");
                    }
                }
            }
            break;
        default:
            throw new Error("Unknown primitive category " + primitiveTypeInfo.getPrimitiveCategory());
    }
}
Also used : VarcharTypeInfo(org.apache.hadoop.hive.serde2.typeinfo.VarcharTypeInfo) CharTypeInfo(org.apache.hadoop.hive.serde2.typeinfo.CharTypeInfo) HiveChar(org.apache.hadoop.hive.common.type.HiveChar) DoubleWritable(org.apache.hadoop.hive.serde2.io.DoubleWritable) Text(org.apache.hadoop.io.Text) BytesWritable(org.apache.hadoop.io.BytesWritable) HiveVarchar(org.apache.hadoop.hive.common.type.HiveVarchar) ShortWritable(org.apache.hadoop.hive.serde2.io.ShortWritable) Timestamp(java.sql.Timestamp) Date(java.sql.Date) DecimalTypeInfo(org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo) FloatWritable(org.apache.hadoop.io.FloatWritable) HiveIntervalYearMonth(org.apache.hadoop.hive.common.type.HiveIntervalYearMonth) BooleanWritable(org.apache.hadoop.io.BooleanWritable) HiveDecimal(org.apache.hadoop.hive.common.type.HiveDecimal) LongWritable(org.apache.hadoop.io.LongWritable) ByteWritable(org.apache.hadoop.hive.serde2.io.ByteWritable) IntWritable(org.apache.hadoop.io.IntWritable) HiveIntervalDayTime(org.apache.hadoop.hive.common.type.HiveIntervalDayTime)

Example 39 with IntWritable

use of org.apache.hadoop.io.IntWritable in project crunch by cloudera.

the class TupleWritablePartitionerTest method testGetPartition.

@Test
public void testGetPartition() {
    IntWritable intWritable = new IntWritable(3);
    TupleWritable key = new TupleWritable(new Writable[] { intWritable });
    assertEquals(3, tupleWritableParitioner.getPartition(key, NullWritable.get(), 5));
    assertEquals(1, tupleWritableParitioner.getPartition(key, NullWritable.get(), 2));
}
Also used : TupleWritable(org.apache.crunch.types.writable.TupleWritable) IntWritable(org.apache.hadoop.io.IntWritable) Test(org.junit.Test)

Example 40 with IntWritable

use of org.apache.hadoop.io.IntWritable in project hadoop-book by elephantscale.

the class Reduce method reduce.

@Override
public void reduce(Text key, Iterator<IntWritable> values, OutputCollector<Text, IntWritable> output, Reporter reporter) throws IOException {
    int sum = 0;
    while (values.hasNext()) {
        sum += values.next().get();
    }
    output.collect(key, new IntWritable(sum));
}
Also used : IntWritable(org.apache.hadoop.io.IntWritable)

Aggregations

IntWritable (org.apache.hadoop.io.IntWritable)338 Test (org.junit.Test)120 Text (org.apache.hadoop.io.Text)115 LongWritable (org.apache.hadoop.io.LongWritable)79 Path (org.apache.hadoop.fs.Path)66 FloatWritable (org.apache.hadoop.io.FloatWritable)58 DoubleWritable (org.apache.hadoop.hive.serde2.io.DoubleWritable)56 ObjectInspector (org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector)56 BooleanWritable (org.apache.hadoop.io.BooleanWritable)51 ShortWritable (org.apache.hadoop.hive.serde2.io.ShortWritable)50 ByteWritable (org.apache.hadoop.hive.serde2.io.ByteWritable)47 BytesWritable (org.apache.hadoop.io.BytesWritable)45 SequenceFile (org.apache.hadoop.io.SequenceFile)41 ArrayList (java.util.ArrayList)40 Writable (org.apache.hadoop.io.Writable)39 TimestampWritable (org.apache.hadoop.hive.serde2.io.TimestampWritable)37 Configuration (org.apache.hadoop.conf.Configuration)35 IOException (java.io.IOException)30 DeferredObject (org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject)29 Random (java.util.Random)28