public abstract class VectorUDFTimestampFieldTimestamp extends VectorExpression
Modifier and Type | Field and Description |
---|---|
protected Calendar |
calendar |
protected int |
colNum |
protected int |
field |
childExpressions, inputDataTypePhysicalVariations, inputTypeInfos, outputColumnNum, outputDataTypePhysicalVariation, outputTypeInfo
Constructor and Description |
---|
VectorUDFTimestampFieldTimestamp() |
VectorUDFTimestampFieldTimestamp(int field,
int colNum,
int outputColumnNum) |
Modifier and Type | Method and Description |
---|---|
void |
evaluate(org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch batch)
This is the primary method to implement expression logic.
|
VectorExpressionDescriptor.Descriptor |
getDescriptor() |
protected long |
getTimestampField(org.apache.hadoop.hive.ql.exec.vector.TimestampColumnVector timestampColVector,
int elementNum) |
void |
initCalendar() |
void |
transientInit() |
String |
vectorExpressionParameters() |
displayArrayOfUtf8ByteArrays, displayUtf8Bytes, doTransientInit, doTransientInit, evaluateChildren, getChildExpressions, getColumnParamString, getDoubleValueParamString, getInputDataTypePhysicalVariations, getInputTypeInfos, getLongValueParamString, getOutputColumnNum, getOutputColumnVectorType, getOutputDataTypePhysicalVariation, getOutputTypeInfo, getParamTypeString, getTypeName, init, setChildExpressions, setInputDataTypePhysicalVariations, setInputTypeInfos, setOutputDataTypePhysicalVariation, setOutputTypeInfo, supportsCheckedExecution, toString
protected final int colNum
protected final int field
protected final transient Calendar calendar
public VectorUDFTimestampFieldTimestamp(int field, int colNum, int outputColumnNum)
public VectorUDFTimestampFieldTimestamp()
public void initCalendar()
public void transientInit() throws HiveException
transientInit
in class VectorExpression
HiveException
protected long getTimestampField(org.apache.hadoop.hive.ql.exec.vector.TimestampColumnVector timestampColVector, int elementNum)
public void evaluate(org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch batch) throws HiveException
VectorExpression
evaluate
in class VectorExpression
HiveException
public String vectorExpressionParameters()
vectorExpressionParameters
in class VectorExpression
public VectorExpressionDescriptor.Descriptor getDescriptor()
getDescriptor
in class VectorExpression
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