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

Example 41 with DecimalTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo in project hive by apache.

the class LazyHiveDecimalObjectInspector method getPrimitiveJavaObject.

@Override
public HiveDecimal getPrimitiveJavaObject(Object o) {
    if (o == null) {
        return null;
    }
    DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) typeInfo;
    // We do not want to modify the writable provided by the object o since it is not a copy.
    HiveDecimalWritable decWritable = ((LazyHiveDecimal) o).getWritableObject();
    HiveDecimalWritable result = HiveDecimalWritable.enforcePrecisionScale(decWritable, decimalTypeInfo.getPrecision(), decimalTypeInfo.getScale());
    return (result != null && result.isSet() ? result.getHiveDecimal() : null);
}

Example 42 with DecimalTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo in project hive by apache.

the class TestGenericUDFRound method testDecimalRoundingMetaData2.

@Test
public void testDecimalRoundingMetaData2() throws UDFArgumentException {
    GenericUDFRound udf = new GenericUDFRound();
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(7, 3)), PrimitiveObjectInspectorFactory.getPrimitiveWritableConstantObjectInspector(TypeInfoFactory.intTypeInfo, new IntWritable(5)) };
    PrimitiveObjectInspector outputOI = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    DecimalTypeInfo outputTypeInfo = (DecimalTypeInfo) outputOI.getTypeInfo();
    Assert.assertEquals(TypeInfoFactory.getDecimalTypeInfo(9, 5), outputTypeInfo);
}

Example 43 with DecimalTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo in project hive by apache.

the class TestGenericUDFRound method testDecimalRoundingMetaData.

@Test
public void testDecimalRoundingMetaData() throws UDFArgumentException {
    GenericUDFRound udf = new GenericUDFRound();
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(7, 3)), PrimitiveObjectInspectorFactory.getPrimitiveWritableConstantObjectInspector(TypeInfoFactory.intTypeInfo, new IntWritable(2)) };
    PrimitiveObjectInspector outputOI = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    DecimalTypeInfo outputTypeInfo = (DecimalTypeInfo) outputOI.getTypeInfo();
    Assert.assertEquals(TypeInfoFactory.getDecimalTypeInfo(7, 2), outputTypeInfo);
}

Example 44 with DecimalTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo in project presto by prestodb.

the class HiveWriteUtils method getRowColumnInspector.

public static ObjectInspector getRowColumnInspector(Type type) {
    if (type.equals(BooleanType.BOOLEAN)) {
        return writableBooleanObjectInspector;
    }
    if (type.equals(BigintType.BIGINT)) {
        return writableLongObjectInspector;
    }
    if (type.equals(IntegerType.INTEGER)) {
        return writableIntObjectInspector;
    }
    if (type.equals(SmallintType.SMALLINT)) {
        return writableShortObjectInspector;
    }
    if (type.equals(TinyintType.TINYINT)) {
        return writableByteObjectInspector;
    }
    if (type.equals(RealType.REAL)) {
        return writableFloatObjectInspector;
    }
    if (type.equals(DoubleType.DOUBLE)) {
        return writableDoubleObjectInspector;
    }
    if (type instanceof VarcharType) {
        VarcharType varcharType = (VarcharType) type;
        int varcharLength = varcharType.getLength();
        // VARCHAR columns with the length less than or equal to 65535 are supported natively by Hive
        if (varcharLength <= HiveVarchar.MAX_VARCHAR_LENGTH) {
            return getPrimitiveWritableObjectInspector(getVarcharTypeInfo(varcharLength));
        } else // Values for such columns must be stored as STRING in Hive
        if (varcharLength == VarcharType.UNBOUNDED_LENGTH) {
            return writableStringObjectInspector;
        }
    }
    if (isCharType(type)) {
        CharType charType = (CharType) type;
        int charLength = charType.getLength();
        return getPrimitiveWritableObjectInspector(getCharTypeInfo(charLength));
    }
    if (type.equals(VarbinaryType.VARBINARY)) {
        return writableBinaryObjectInspector;
    }
    if (type.equals(DateType.DATE)) {
        return writableDateObjectInspector;
    }
    if (type.equals(TimestampType.TIMESTAMP)) {
        return writableTimestampObjectInspector;
    }
    if (type instanceof DecimalType) {
        DecimalType decimalType = (DecimalType) type;
        return getPrimitiveWritableObjectInspector(new DecimalTypeInfo(decimalType.getPrecision(), decimalType.getScale()));
    }
    if (isArrayType(type) || isMapType(type) || isRowType(type)) {
        return getJavaObjectInspector(type);
    }
    throw new IllegalArgumentException("unsupported type: " + type);
}

Example 45 with DecimalTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo in project presto by prestodb.

the class HiveTypeTranslator method translate.

@Override
public TypeInfo translate(Type type) {
    if (BOOLEAN.equals(type)) {
        return HIVE_BOOLEAN.getTypeInfo();
    }
    if (BIGINT.equals(type)) {
        return HIVE_LONG.getTypeInfo();
    }
    if (INTEGER.equals(type)) {
        return HIVE_INT.getTypeInfo();
    }
    if (SMALLINT.equals(type)) {
        return HIVE_SHORT.getTypeInfo();
    }
    if (TINYINT.equals(type)) {
        return HIVE_BYTE.getTypeInfo();
    }
    if (REAL.equals(type)) {
        return HIVE_FLOAT.getTypeInfo();
    }
    if (DOUBLE.equals(type)) {
        return HIVE_DOUBLE.getTypeInfo();
    }
    if (type instanceof VarcharType) {
        VarcharType varcharType = (VarcharType) type;
        int varcharLength = varcharType.getLength();
        if (varcharLength <= HiveVarchar.MAX_VARCHAR_LENGTH) {
            return getVarcharTypeInfo(varcharLength);
        } else if (varcharLength == VarcharType.UNBOUNDED_LENGTH) {
            return HIVE_STRING.getTypeInfo();
        } else {
            throw new PrestoException(NOT_SUPPORTED, format("Unsupported Hive type: %s. Supported VARCHAR types: VARCHAR(<=%d), VARCHAR.", type, HiveVarchar.MAX_VARCHAR_LENGTH));
        }
    }
    if (type instanceof CharType) {
        CharType charType = (CharType) type;
        int charLength = charType.getLength();
        if (charLength <= HiveChar.MAX_CHAR_LENGTH) {
            return getCharTypeInfo(charLength);
        }
        throw new PrestoException(NOT_SUPPORTED, format("Unsupported Hive type: %s. Supported CHAR types: CHAR(<=%d).", type, HiveChar.MAX_CHAR_LENGTH));
    }
    if (VARBINARY.equals(type)) {
        return HIVE_BINARY.getTypeInfo();
    }
    if (DATE.equals(type)) {
        return HIVE_DATE.getTypeInfo();
    }
    if (TIMESTAMP.equals(type)) {
        return HIVE_TIMESTAMP.getTypeInfo();
    }
    if (type instanceof DecimalType) {
        DecimalType decimalType = (DecimalType) type;
        return new DecimalTypeInfo(decimalType.getPrecision(), decimalType.getScale());
    }
    if (isArrayType(type)) {
        TypeInfo elementType = translate(type.getTypeParameters().get(0));
        return getListTypeInfo(elementType);
    }
    if (isMapType(type)) {
        TypeInfo keyType = translate(type.getTypeParameters().get(0));
        TypeInfo valueType = translate(type.getTypeParameters().get(1));
        return getMapTypeInfo(keyType, valueType);
    }
    if (isRowType(type)) {
        ImmutableList.Builder<String> fieldNames = ImmutableList.builder();
        for (TypeSignatureParameter parameter : type.getTypeSignature().getParameters()) {
            if (!parameter.isNamedTypeSignature()) {
                throw new IllegalArgumentException(format("Expected all parameters to be named type, but got %s", parameter));
            }
            NamedTypeSignature namedTypeSignature = parameter.getNamedTypeSignature();
            fieldNames.add(namedTypeSignature.getName());
        }
        return getStructTypeInfo(fieldNames.build(), type.getTypeParameters().stream().map(this::translate).collect(toList()));
    }
    throw new PrestoException(NOT_SUPPORTED, format("Unsupported Hive type: %s", type));
}