Package org.apache.iotdb.db.mpp.transformation.dag.column.binary

Class CompareBinaryColumnTransformer

java.lang.Object

org.apache.iotdb.db.mpp.transformation.dag.column.ColumnTransformer

org.apache.iotdb.db.mpp.transformation.dag.column.binary.BinaryColumnTransformer

org.apache.iotdb.db.mpp.transformation.dag.column.binary.CompareBinaryColumnTransformer

Direct Known Subclasses:

CompareEqualToColumnTransformer, CompareGreaterEqualColumnTransformer, CompareGreaterThanColumnTransformer, CompareLessEqualColumnTransformer, CompareLessThanColumnTransformer, CompareNonEqualColumnTransformer

public abstract class CompareBinaryColumnTransformer
extends BinaryColumnTransformer

Field Summary

Fields inherited from class org.apache.iotdb.db.mpp.transformation.dag.column.binary.BinaryColumnTransformer

leftTransformer, rightTransformer

Fields inherited from class org.apache.iotdb.db.mpp.transformation.dag.column.ColumnTransformer

columnCache, referenceCount, returnType

Constructor Summary

Constructors

Constructor	Description
CompareBinaryColumnTransformer(org.apache.iotdb.tsfile.read.common.type.Type returnType, ColumnTransformer leftTransformer, ColumnTransformer rightTransformer)

Method Summary

Modifier and Type	Method	Description
protected void	checkType()
protected int	compare(double d1, double d2)
protected void	doTransform(org.apache.iotdb.tsfile.read.common.block.column.Column leftColumn, org.apache.iotdb.tsfile.read.common.block.column.Column rightColumn, org.apache.iotdb.tsfile.read.common.block.column.ColumnBuilder builder, int positionCount)
protected abstract boolean	transform(int flag)	transform int value of flag to corresponding boolean value

Methods inherited from class org.apache.iotdb.db.mpp.transformation.dag.column.binary.BinaryColumnTransformer

evaluate, getLeftTransformer, getRightTransformer

Methods inherited from class org.apache.iotdb.db.mpp.transformation.dag.column.ColumnTransformer

addReferenceCount, close, getColumn, getColumnCachePositionCount, getType, initializeColumnCache, isReturnTypeNumeric, tryEvaluate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CompareBinaryColumnTransformer

public CompareBinaryColumnTransformer(org.apache.iotdb.tsfile.read.common.type.Type returnType,
                                      ColumnTransformer leftTransformer,
                                      ColumnTransformer rightTransformer)

Method Detail

doTransform

protected void doTransform(org.apache.iotdb.tsfile.read.common.block.column.Column leftColumn,
                           org.apache.iotdb.tsfile.read.common.block.column.Column rightColumn,
                           org.apache.iotdb.tsfile.read.common.block.column.ColumnBuilder builder,
                           int positionCount)

Specified by:

doTransform in class BinaryColumnTransformer

checkType

protected void checkType()

Specified by:

checkType in class ColumnTransformer

compare

protected int compare(double d1,
                      double d2)

transform

protected abstract boolean transform(int flag)

transform int value of flag to corresponding boolean value

Parameters:

flag -

Returns: