Examples with Date org.apache.hadoop.hive.common.type.Date used on opensource projects

Example 56 with Date

use of org.apache.hadoop.hive.common.type.Date in project hive by apache.

the class GenericUDFCastFormat method convert.

private Object convert(Object o) throws HiveException {
    Object input;
    switch(inputOI.getPrimitiveCategory()) {
        case STRING:
            input = ((StringObjectInspector) inputOI).getPrimitiveJavaObject(o);
            break;
        case CHAR:
            input = ((HiveCharObjectInspector) inputOI).getPrimitiveJavaObject(o).getStrippedValue();
            break;
        case VARCHAR:
            input = ((HiveVarcharObjectInspector) inputOI).getPrimitiveJavaObject(o).toString();
            break;
        case TIMESTAMP:
            input = ((TimestampObjectInspector) inputOI).getPrimitiveWritableObject(o).getTimestamp();
            break;
        case DATE:
            input = ((DateObjectInspector) inputOI).getPrimitiveWritableObject(o).get();
            break;
        default:
            throw new HiveException("Input type " + inputOI.getPrimitiveCategory() + " not valid");
    }
    // format here
    Object formattedOutput = null;
    if (inputOI.getPrimitiveCategory() == PrimitiveObjectInspector.PrimitiveCategory.DATE || inputOI.getPrimitiveCategory() == PrimitiveObjectInspector.PrimitiveCategory.TIMESTAMP) {
        if (inputOI.getPrimitiveCategory() == PrimitiveObjectInspector.PrimitiveCategory.DATE) {
            try {
                formattedOutput = formatter.format((Date) input);
            } catch (IllegalArgumentException e) {
                return null;
            }
        } else {
            try {
                formattedOutput = formatter.format((Timestamp) input);
            } catch (IllegalArgumentException e) {
                return null;
            }
        }
        if (formattedOutput == null) {
            return null;
        }
    }
    // parse and create Writables
    switch(outputOI.getPrimitiveCategory()) {
        case STRING:
            return new Text((String) formattedOutput);
        case CHAR:
            return ((SettableHiveCharObjectInspector) outputOI).create(new HiveChar((String) formattedOutput, -1));
        case VARCHAR:
            return ((SettableHiveVarcharObjectInspector) outputOI).create(new HiveVarchar((String) formattedOutput, -1));
        case TIMESTAMP:
            try {
                Timestamp t = formatter.parseTimestamp((String) input);
                if (t == null) {
                    return null;
                }
                return ((SettableTimestampObjectInspector) outputOI).create(t);
            } catch (IllegalArgumentException e) {
                return null;
            }
        case DATE:
            try {
                Date d = formatter.parseDate((String) input);
                if (d == null) {
                    return null;
                }
                return ((SettableDateObjectInspector) outputOI).create(d);
            } catch (IllegalArgumentException e) {
                return null;
            }
        default:
            throw new HiveException("Output type " + outputOI.getPrimitiveCategory() + " not valid");
    }
}

Example 57 with Date

use of org.apache.hadoop.hive.common.type.Date in project hive by apache.

the class GenericUDFCurrentDate method initialize.

@Override
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length != 0) {
        throw new UDFArgumentLengthException("The function CURRENT_DATE does not take any arguments, but found " + arguments.length);
    }
    if (currentDate == null) {
        SessionState ss = SessionState.get();
        ZonedDateTime dateTime = ss.getQueryCurrentTimestamp().atZone(ss.getConf().getLocalTimeZone());
        Date dateVal = Date.valueOf(dateTime.toString().substring(0, 10));
        currentDate = new DateWritableV2(dateVal);
    }
    return PrimitiveObjectInspectorFactory.writableDateObjectInspector;
}

Example 58 with Date

use of org.apache.hadoop.hive.common.type.Date in project hive by apache.

the class GenericUDFLastDay method evaluate.

@Override
public Object evaluate(DeferredObject[] arguments) throws HiveException {
    Date d = getDateValue(arguments, 0, converters);
    if (d == null) {
        return null;
    }
    lastDay(d);
    output.set(date.toString());
    return output;
}

Example 59 with Date

use of org.apache.hadoop.hive.common.type.Date in project hive by apache.

the class DateTimeMath method add.

public Date add(HiveIntervalYearMonth interval, Date dt) {
    if (dt == null || interval == null) {
        return null;
    }
    Date dtResult = new Date();
    add(interval, dt, dtResult);
    return dtResult;
}

Example 60 with Date

use of org.apache.hadoop.hive.common.type.Date in project hive by apache.

the class DateTimeMath method subtract.

public Date subtract(Date left, HiveIntervalYearMonth right) {
    if (left == null || right == null) {
        return null;
    }
    Date dtResult = new Date();
    subtract(left, right, dtResult);
    return dtResult;
}