Examples with FloatWritable org.apache.hadoop.io.FloatWritable used on opensource projects

Example 86 with FloatWritable

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

the class TypedBytesRecordReader method write.

private void write(int pos, Writable inpw) throws IOException {
    String typ = columnTypes.get(pos);
    Writable w = (Writable) converters.get(pos).convert(inpw);
    if (typ.equalsIgnoreCase(serdeConstants.BOOLEAN_TYPE_NAME)) {
        tbOut.writeBoolean((BooleanWritable) w);
    } else if (typ.equalsIgnoreCase(serdeConstants.TINYINT_TYPE_NAME)) {
        tbOut.writeByte((ByteWritable) w);
    } else if (typ.equalsIgnoreCase(serdeConstants.SMALLINT_TYPE_NAME)) {
        tbOut.writeShort((ShortWritable) w);
    } else if (typ.equalsIgnoreCase(serdeConstants.INT_TYPE_NAME)) {
        tbOut.writeInt((IntWritable) w);
    } else if (typ.equalsIgnoreCase(serdeConstants.BIGINT_TYPE_NAME)) {
        tbOut.writeLong((LongWritable) w);
    } else if (typ.equalsIgnoreCase(serdeConstants.FLOAT_TYPE_NAME)) {
        tbOut.writeFloat((FloatWritable) w);
    } else if (typ.equalsIgnoreCase(serdeConstants.DOUBLE_TYPE_NAME)) {
        tbOut.writeDouble((DoubleWritable) w);
    } else if (typ.equalsIgnoreCase(serdeConstants.STRING_TYPE_NAME)) {
        tbOut.writeText((Text) w);
    } else {
        assert false;
    }
}

Example 87 with FloatWritable

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

the class TypedBytesRecordReader method next.

public int next(Writable data) throws IOException {
    int pos = 0;
    barrStr.reset();
    while (true) {
        Type type = tbIn.readTypeCode();
        // it was a empty stream
        if (type == null) {
            return -1;
        }
        if (type == Type.ENDOFRECORD) {
            tbOut.writeEndOfRecord();
            if (barrStr.getLength() > 0) {
                ((BytesWritable) data).set(barrStr.getData(), 0, barrStr.getLength());
            }
            return barrStr.getLength();
        }
        if (pos >= row.size()) {
            Writable wrt = allocateWritable(type);
            assert pos == row.size();
            assert pos == rowTypeName.size();
            row.add(wrt);
            rowTypeName.add(type.name());
            String typeName = typedBytesToTypeName.get(type);
            PrimitiveTypeInfo srcTypeInfo = TypeInfoFactory.getPrimitiveTypeInfo(typeName);
            srcOIns.add(PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(srcTypeInfo));
            converters.add(ObjectInspectorConverters.getConverter(srcOIns.get(pos), dstOIns.get(pos)));
        } else {
            if (!rowTypeName.get(pos).equals(type.name())) {
                throw new RuntimeException("datatype of row changed from " + rowTypeName.get(pos) + " to " + type.name());
            }
        }
        Writable w = row.get(pos);
        switch(type) {
            case BYTE:
                tbIn.readByte((ByteWritable) w);
                break;
            case BOOL:
                tbIn.readBoolean((BooleanWritable) w);
                break;
            case INT:
                tbIn.readInt((IntWritable) w);
                break;
            case SHORT:
                tbIn.readShort((ShortWritable) w);
                break;
            case LONG:
                tbIn.readLong((LongWritable) w);
                break;
            case FLOAT:
                tbIn.readFloat((FloatWritable) w);
                break;
            case DOUBLE:
                tbIn.readDouble((DoubleWritable) w);
                break;
            case STRING:
                tbIn.readText((Text) w);
                break;
            default:
                // should never come here
                assert false;
        }
        write(pos, w);
        pos++;
    }
}

Example 88 with FloatWritable

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

the class TestDruidSerDe method testDruidObjectSerializerwithNullTimestamp.

@Test
public void testDruidObjectSerializerwithNullTimestamp() throws Exception {
    // Create, initialize, and test the SerDe
    DruidSerDe serDe = new DruidSerDe();
    Configuration conf = new Configuration();
    Properties tbl;
    // Mixed source (all types)
    tbl = createPropertiesSource(COLUMN_NAMES, COLUMN_TYPES);
    serDe.initialize(conf, tbl, null);
    Object[] row = new Object[] { null, new Text("dim1_val"), new HiveCharWritable(new HiveChar("dim2_v", 6)), new HiveVarcharWritable(new HiveVarchar("dim3_val", 8)), new DoubleWritable(10669.3D), new FloatWritable(10669.45F), new LongWritable(1113939), new IntWritable(1112123), new ShortWritable((short) 12), new ByteWritable((byte) 0), null // granularity
    };
    expectedEx.expect(NullPointerException.class);
    expectedEx.expectMessage("Timestamp column cannot have null value");
    // should fail as timestamp is null
    serializeObject(tbl, serDe, row, DRUID_WRITABLE);
}

Example 89 with FloatWritable

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

the class TestHBaseSerDe method testHBaseSerDeWithTimestamp.

@Test
public void testHBaseSerDeWithTimestamp() throws SerDeException {
    // Create the SerDe
    HBaseSerDe serDe = new HBaseSerDe();
    Configuration conf = new Configuration();
    Properties tbl = createPropertiesI_I();
    long putTimestamp = 1;
    tbl.setProperty(HBaseSerDe.HBASE_PUT_TIMESTAMP, Long.toString(putTimestamp));
    serDe.initialize(conf, tbl, null);
    byte[] cfa = "cola".getBytes();
    byte[] cfb = "colb".getBytes();
    byte[] cfc = "colc".getBytes();
    byte[] qualByte = "byte".getBytes();
    byte[] qualShort = "short".getBytes();
    byte[] qualInt = "int".getBytes();
    byte[] qualLong = "long".getBytes();
    byte[] qualFloat = "float".getBytes();
    byte[] qualDouble = "double".getBytes();
    byte[] qualString = "string".getBytes();
    byte[] qualBool = "boolean".getBytes();
    byte[] rowKey = Bytes.toBytes("test-row1");
    // Data
    List<Cell> kvs = new ArrayList<Cell>();
    kvs.add(new KeyValue(rowKey, cfa, qualByte, Bytes.toBytes("123")));
    kvs.add(new KeyValue(rowKey, cfb, qualShort, Bytes.toBytes("456")));
    kvs.add(new KeyValue(rowKey, cfc, qualInt, Bytes.toBytes("789")));
    kvs.add(new KeyValue(rowKey, cfa, qualLong, Bytes.toBytes("1000")));
    kvs.add(new KeyValue(rowKey, cfb, qualFloat, Bytes.toBytes("-0.01")));
    kvs.add(new KeyValue(rowKey, cfc, qualDouble, Bytes.toBytes("5.3")));
    kvs.add(new KeyValue(rowKey, cfa, qualString, Bytes.toBytes("Hadoop, HBase, and Hive")));
    kvs.add(new KeyValue(rowKey, cfb, qualBool, Bytes.toBytes("true")));
    Collections.sort(kvs, KeyValue.COMPARATOR);
    Result r = Result.create(kvs);
    Put p = new Put(rowKey, putTimestamp);
    p.addColumn(cfa, qualByte, Bytes.toBytes("123"));
    p.addColumn(cfb, qualShort, Bytes.toBytes("456"));
    p.addColumn(cfc, qualInt, Bytes.toBytes("789"));
    p.addColumn(cfa, qualLong, Bytes.toBytes("1000"));
    p.addColumn(cfb, qualFloat, Bytes.toBytes("-0.01"));
    p.addColumn(cfc, qualDouble, Bytes.toBytes("5.3"));
    p.addColumn(cfa, qualString, Bytes.toBytes("Hadoop, HBase, and Hive"));
    p.addColumn(cfb, qualBool, Bytes.toBytes("true"));
    Object[] expectedFieldsData = { new Text("test-row1"), new ByteWritable((byte) 123), new ShortWritable((short) 456), new IntWritable(789), new LongWritable(1000), new FloatWritable(-0.01F), new DoubleWritable(5.3), new Text("Hadoop, HBase, and Hive"), new BooleanWritable(true) };
    deserializeAndSerialize(serDe, r, p, expectedFieldsData);
}

Example 90 with FloatWritable

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

the class TestHBaseSerDe method testHBaseSerDeII.

@Test
public void testHBaseSerDeII() throws SerDeException {
    byte[] cfa = "cfa".getBytes();
    byte[] cfb = "cfb".getBytes();
    byte[] cfc = "cfc".getBytes();
    byte[] qualByte = "byte".getBytes();
    byte[] qualShort = "short".getBytes();
    byte[] qualInt = "int".getBytes();
    byte[] qualLong = "long".getBytes();
    byte[] qualFloat = "float".getBytes();
    byte[] qualDouble = "double".getBytes();
    byte[] qualString = "string".getBytes();
    byte[] qualBool = "boolean".getBytes();
    byte[] rowKey = Bytes.toBytes("test-row-2");
    // Data
    List<Cell> kvs = new ArrayList<Cell>();
    kvs.add(new KeyValue(rowKey, cfa, qualByte, new byte[] { Byte.MIN_VALUE }));
    kvs.add(new KeyValue(rowKey, cfb, qualShort, Bytes.toBytes(Short.MIN_VALUE)));
    kvs.add(new KeyValue(rowKey, cfc, qualInt, Bytes.toBytes(Integer.MIN_VALUE)));
    kvs.add(new KeyValue(rowKey, cfa, qualLong, Bytes.toBytes(Long.MIN_VALUE)));
    kvs.add(new KeyValue(rowKey, cfb, qualFloat, Bytes.toBytes(Float.MIN_VALUE)));
    kvs.add(new KeyValue(rowKey, cfc, qualDouble, Bytes.toBytes(Double.MAX_VALUE)));
    kvs.add(new KeyValue(rowKey, cfa, qualString, Bytes.toBytes("Hadoop, HBase, and Hive Again!")));
    kvs.add(new KeyValue(rowKey, cfb, qualBool, Bytes.toBytes(false)));
    // When using only HBase2, then we could change to this
    // Collections.sort(kvs, CellComparator.COMPARATOR);
    Collections.sort(kvs, KeyValue.COMPARATOR);
    Result r = Result.create(kvs);
    Put p = new Put(rowKey);
    p.addColumn(cfa, qualByte, new byte[] { Byte.MIN_VALUE });
    p.addColumn(cfb, qualShort, Bytes.toBytes(Short.MIN_VALUE));
    p.addColumn(cfc, qualInt, Bytes.toBytes(Integer.MIN_VALUE));
    p.addColumn(cfa, qualLong, Bytes.toBytes(Long.MIN_VALUE));
    p.addColumn(cfb, qualFloat, Bytes.toBytes(Float.MIN_VALUE));
    p.addColumn(cfc, qualDouble, Bytes.toBytes(Double.MAX_VALUE));
    p.addColumn(cfa, qualString, Bytes.toBytes("Hadoop, HBase, and Hive Again!"));
    p.addColumn(cfb, qualBool, Bytes.toBytes(false));
    Object[] expectedFieldsData = { new Text("test-row-2"), new ByteWritable(Byte.MIN_VALUE), new ShortWritable(Short.MIN_VALUE), new IntWritable(Integer.MIN_VALUE), new LongWritable(Long.MIN_VALUE), new FloatWritable(Float.MIN_VALUE), new DoubleWritable(Double.MAX_VALUE), new Text("Hadoop, HBase, and Hive Again!"), new BooleanWritable(false) };
    // Create, initialize, and test the SerDe
    HBaseSerDe serDe = new HBaseSerDe();
    Configuration conf = new Configuration();
    Properties tbl = createPropertiesII_I();
    serDe.initialize(conf, tbl, null);
    deserializeAndSerialize(serDe, r, p, expectedFieldsData);
    serDe = new HBaseSerDe();
    conf = new Configuration();
    tbl = createPropertiesII_II();
    serDe.initialize(conf, tbl, null);
    deserializeAndSerialize(serDe, r, p, expectedFieldsData);
    serDe = new HBaseSerDe();
    conf = new Configuration();
    tbl = createPropertiesII_III();
    serDe.initialize(conf, tbl, null);
    deserializeAndSerialize(serDe, r, p, expectedFieldsData);
}