public class GenericUDFFromUtcTimestamp extends GenericUDF
GenericUDF.DeferredJavaObject, GenericUDF.DeferredObject
Constructor and Description |
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GenericUDFFromUtcTimestamp() |
Modifier and Type | Method and Description |
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protected java.sql.Timestamp |
applyOffset(long offset,
java.sql.Timestamp t) |
java.lang.Object |
evaluate(GenericUDF.DeferredObject[] arguments)
Evaluate the GenericUDF with the arguments.
|
java.lang.String |
getDisplayString(java.lang.String[] children)
Get the String to be displayed in explain.
|
java.lang.String |
getName() |
ObjectInspector |
initialize(ObjectInspector[] arguments)
Initialize this GenericUDF.
|
protected boolean |
invert() |
close, configure, getRequiredFiles, getRequiredJars, initializeAndFoldConstants
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.public java.lang.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 java.sql.Timestamp applyOffset(long offset, java.sql.Timestamp t)
public java.lang.String getDisplayString(java.lang.String[] children)
GenericUDF
getDisplayString
in class GenericUDF
public java.lang.String getName()
protected boolean invert()
Copyright © 2012 The Apache Software Foundation