org.apache.hadoop.hive.ql.exec.vector.expressions
Class VectorUDFTimestampFieldLong
java.lang.Object
org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression
org.apache.hadoop.hive.ql.exec.vector.expressions.VectorUDFTimestampFieldLong
- All Implemented Interfaces:
- Serializable
- Direct Known Subclasses:
- VectorUDFDayOfMonthLong, VectorUDFHourLong, VectorUDFMinuteLong, VectorUDFMonthLong, VectorUDFSecondLong, VectorUDFUnixTimeStampLong, VectorUDFWeekOfYearLong, VectorUDFYearLong
public abstract class VectorUDFTimestampFieldLong
- extends VectorExpression
Abstract class to return various fields from a Timestamp or Date.
- See Also:
- Serialized Form
VectorUDFTimestampFieldLong
public VectorUDFTimestampFieldLong(int field,
int colNum,
int outputColumn)
VectorUDFTimestampFieldLong
public VectorUDFTimestampFieldLong()
evaluate
public void evaluate(VectorizedRowBatch batch)
- Description copied from class:
VectorExpression
- This is the primary method to implement expression logic.
- Specified by:
evaluate
in class VectorExpression
getOutputColumn
public int getOutputColumn()
- Description copied from class:
VectorExpression
- Returns the index of the output column in the array
of column vectors. If not applicable, -1 is returned.
- Specified by:
getOutputColumn
in class VectorExpression
- Returns:
- Index of the output column
getOutputType
public String getOutputType()
- Description copied from class:
VectorExpression
- Returns type of the output column.
- Overrides:
getOutputType
in class VectorExpression
getColNum
public int getColNum()
setColNum
public void setColNum(int colNum)
getField
public int getField()
setField
public void setField(int field)
setOutputColumn
public void setOutputColumn(int outputColumn)
getDescriptor
public VectorExpressionDescriptor.Descriptor getDescriptor()
- Specified by:
getDescriptor
in class VectorExpression
Copyright © 2014 The Apache Software Foundation. All rights reserved.