public class GenericUDFToUnixTimeStamp extends GenericUDF
GenericUDF.DeferredJavaObject, GenericUDF.DeferredObject
Modifier and Type | Field and Description |
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protected org.apache.hadoop.io.LongWritable |
retValue |
Constructor and Description |
---|
GenericUDFToUnixTimeStamp() |
Modifier and Type | Method and Description |
---|---|
Object |
evaluate(GenericUDF.DeferredObject[] arguments)
Evaluate the GenericUDF with the arguments.
|
String |
getDisplayString(String[] children)
Get the String to be displayed in explain.
|
protected String |
getName() |
ObjectInspector |
initialize(ObjectInspector[] arguments)
Initialize this GenericUDF.
|
protected void |
initializeInput(ObjectInspector[] arguments) |
protected static void |
setValueFromTs(org.apache.hadoop.io.LongWritable value,
Timestamp timestamp) |
checkArgGroups, checkArgPrimitive, checkArgsSize, close, configure, copyToNewInstance, flip, getArgOrder, getConstantIntValue, getConstantStringValue, getDateValue, getDoubleValue, getFuncName, getIntValue, getLongValue, getRequiredFiles, getRequiredJars, getStandardDisplayString, getStandardDisplayString, getStringValue, getTimestampValue, getUdfName, initializeAndFoldConstants, negative, obtainDateConverter, obtainDoubleConverter, obtainIntConverter, obtainLongConverter, obtainStringConverter, obtainTimestampConverter
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException
GenericUDF
initialize
in class GenericUDF
arguments
- The ObjectInspector for the argumentsUDFArgumentException
- Thrown when arguments have wrong types, wrong length, etc.protected void initializeInput(ObjectInspector[] arguments) throws UDFArgumentException
UDFArgumentException
protected String getName()
public Object evaluate(GenericUDF.DeferredObject[] arguments) throws HiveException
GenericUDF
evaluate
in class GenericUDF
arguments
- The arguments as DeferedObject, use DeferedObject.get() to get the
actual argument Object. The Objects can be inspected by the
ObjectInspectors passed in the initialize call.HiveException
protected static void setValueFromTs(org.apache.hadoop.io.LongWritable value, Timestamp timestamp)
public String getDisplayString(String[] children)
GenericUDF
getDisplayString
in class GenericUDF
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