Package org.apache.pig.impl.io

Examples of org.apache.pig.impl.io.NullableDateTimeWritable

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            rc *= -1;
        return rc;
    }

    public int compare(Object o1, Object o2) {
        NullableDateTimeWritable ndtw1 = (NullableDateTimeWritable) o1;
        NullableDateTimeWritable ndtw2 = (NullableDateTimeWritable) o2;
        int rc = 0;

        // If either are null, handle differently.
        if (!ndtw1.isNull() && !ndtw2.isNull()) {
            rc = ((DateTime) ndtw1.getValueAsPigType())
                    .compareTo((DateTime) ndtw2.getValueAsPigType());
        } else {
            // For sorting purposes two nulls are equal.
            if (ndtw1.isNull() && ndtw2.isNull())
                rc = 0;
            else if (ndtw1.isNull())
                rc = -1;
            else
                rc = 1;
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            rc *= -1;
        return rc;
    }

    public int compare(Object o1, Object o2) {
        NullableDateTimeWritable ndtw1 = (NullableDateTimeWritable) o1;
        NullableDateTimeWritable ndtw2 = (NullableDateTimeWritable) o2;
        int rc = 0;

        // If either are null, handle differently.
        if (!ndtw1.isNull() && !ndtw2.isNull()) {
            rc = ((DateTime) ndtw1.getValueAsPigType())
                    .compareTo((DateTime) ndtw2.getValueAsPigType());
        } else {
            // For sorting purposes two nulls are equal.
            if (ndtw1.isNull() && ndtw2.isNull())
                rc = 0;
            else if (ndtw1.isNull())
                rc = -1;
            else
                rc = 1;
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        case DataType.BIGDECIMAL:
            return new NullableBigDecimalWritable((BigDecimal)o);

        case DataType.DATETIME:
            return new NullableDateTimeWritable((DateTime)o);

        case DataType.TUPLE:
            return new NullableTuple((Tuple)o);

        case DataType.MAP: {
            int errCode = 1068;
            String msg = "Using Map as key not supported.";
            throw new ExecException(msg, errCode, PigException.INPUT);
        }

        case DataType.NULL:
            switch (keyType) {
            case DataType.BAG:
                NullableBag nbag = new NullableBag();
                nbag.setNull(true);
                return nbag;
            case DataType.BOOLEAN:
                NullableBooleanWritable nboolWrit = new NullableBooleanWritable();
                nboolWrit.setNull(true);
                return nboolWrit;
            case DataType.BYTEARRAY:
                NullableBytesWritable nBytesWrit = new NullableBytesWritable();
                nBytesWrit.setNull(true);
                return nBytesWrit;
            case DataType.CHARARRAY:
                NullableText nStringWrit = new NullableText();
                nStringWrit.setNull(true);
                return nStringWrit;
            case DataType.DOUBLE:
                NullableDoubleWritable nDoubleWrit = new NullableDoubleWritable();
                nDoubleWrit.setNull(true);
                return nDoubleWrit;
            case DataType.FLOAT:
                NullableFloatWritable nFloatWrit = new NullableFloatWritable();
                nFloatWrit.setNull(true);
                return nFloatWrit;
            case DataType.INTEGER:
                NullableIntWritable nIntWrit = new NullableIntWritable();
                nIntWrit.setNull(true);
                return nIntWrit;
            case DataType.BIGINTEGER:
                NullableBigIntegerWritable nBigIntWrit = new NullableBigIntegerWritable();
                nBigIntWrit.setNull(true);
                return nBigIntWrit;
            case DataType.BIGDECIMAL:
                NullableBigDecimalWritable nBigDecWrit = new NullableBigDecimalWritable();
                nBigDecWrit.setNull(true);
                return nBigDecWrit;
            case DataType.LONG:
                NullableLongWritable nLongWrit = new NullableLongWritable();
                nLongWrit.setNull(true);
                return nLongWrit;
            case DataType.DATETIME:
                NullableDateTimeWritable nDateTimeWrit = new NullableDateTimeWritable();
                nDateTimeWrit.setNull(true);
                return nDateTimeWrit;
            case DataType.TUPLE:
                NullableTuple ntuple = new NullableTuple();
                ntuple.setNull(true);
                return ntuple;
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        case DataType.LONG:
            return new NullableLongWritable((Long)o);

        case DataType.DATETIME:
            return new NullableDateTimeWritable((DateTime)o);

        case DataType.TUPLE:
            return new NullableTuple((Tuple)o);
        
        case DataType.MAP: {
            int errCode = 1068;
            String msg = "Using Map as key not supported.";
            throw new ExecException(msg, errCode, PigException.INPUT);
        }

        case DataType.NULL:
            switch (keyType) {
            case DataType.BAG:
                NullableBag nbag = new NullableBag();
                nbag.setNull(true);
                return nbag;
            case DataType.BOOLEAN:
                NullableBooleanWritable nboolWrit = new NullableBooleanWritable();
                nboolWrit.setNull(true);
                return nboolWrit;
            case DataType.BYTEARRAY:
                NullableBytesWritable nBytesWrit = new NullableBytesWritable();
                nBytesWrit.setNull(true);
                return nBytesWrit;
            case DataType.CHARARRAY:
                NullableText nStringWrit = new NullableText();
                nStringWrit.setNull(true);
                return nStringWrit;
            case DataType.DOUBLE:
                NullableDoubleWritable nDoubleWrit = new NullableDoubleWritable();
                nDoubleWrit.setNull(true);
                return nDoubleWrit;
            case DataType.FLOAT:
                NullableFloatWritable nFloatWrit = new NullableFloatWritable();
                nFloatWrit.setNull(true);
                return nFloatWrit;
            case DataType.INTEGER:
                NullableIntWritable nIntWrit = new NullableIntWritable();
                nIntWrit.setNull(true);
                return nIntWrit;
            case DataType.LONG:
                NullableLongWritable nLongWrit = new NullableLongWritable();
                nLongWrit.setNull(true);
                return nLongWrit;
            case DataType.DATETIME:
                NullableDateTimeWritable nDateTimeWrit = new NullableDateTimeWritable();
                nDateTimeWrit.setNull(true);
                return nDateTimeWrit;
            case DataType.TUPLE:
                NullableTuple ntuple = new NullableTuple();
                ntuple.setNull(true);
                return ntuple;
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Related Classes of org.apache.pig.impl.io.NullableDateTimeWritable

  • org.apache.pig.backend.hadoop.DateTimeWritable
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigDateTimeRawComparator
  • org.apache.pig.backend.hadoop.HDataType
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