Package org.apache.iotdb.db.mpp.plan.expression.ternary

Class TernaryExpression

java.lang.Object

org.apache.iotdb.db.mpp.plan.expression.Expression

org.apache.iotdb.db.mpp.plan.expression.ternary.TernaryExpression

Direct Known Subclasses:

BetweenExpression

public abstract class TernaryExpression
extends Expression

Field Summary

Fields

Modifier and Type	Field	Description
protected Expression	firstExpression
protected Expression	secondExpression
protected Expression	thirdExpression

Fields inherited from class org.apache.iotdb.db.mpp.plan.expression.Expression

inputColumnIndex, isConstantOperandCache

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TernaryExpression(java.nio.ByteBuffer byteBuffer)
protected	TernaryExpression(Expression firstExpression, Expression secondExpression, Expression thirdExpression)

Method Summary

Modifier and Type	Method	Description
<R,C> R	accept(ExpressionVisitor<R,C> visitor, C context)	Accessible for ExpressionVisitor, use ExpressionVisitor.process(org.apache.iotdb.db.mpp.plan.expression.Expression, C) instead.
void	bindInputLayerColumnIndexWithExpression(java.util.Map<java.lang.String,java.util.List<InputLocation>> inputLocations)
void	bindInputLayerColumnIndexWithExpression(UDTFPlan udtfPlan)
void	collectPaths(java.util.Set<org.apache.iotdb.commons.path.PartialPath> pathSet)
void	concat(java.util.List<org.apache.iotdb.commons.path.PartialPath> prefixPaths, java.util.List<Expression> resultExpressions)
void	constructUdfExecutors(java.util.Map<java.lang.String,UDTFExecutor> expressionName2Executor, java.time.ZoneId zoneId)
java.util.List<Expression>	getExpressions()	returns the DIRECT children expressions if it has any, otherwise an EMPTY list will be returned
Expression	getFirstExpression()
Expression	getSecondExpression()
Expression	getThirdExpression()
boolean	isConstantOperandInternal()	Sub-classes should override this method indicating if the expression is a constant operand
boolean	isMappable(TypeProvider typeProvider)
boolean	isTimeSeriesGeneratingFunctionExpression()
boolean	isUserDefinedAggregationFunctionExpression()
protected abstract java.lang.String	operator()
void	removeWildcards(WildcardsRemover wildcardsRemover, java.util.List<Expression> resultExpressions)
protected void	serialize(java.io.DataOutputStream stream)
protected void	serialize(java.nio.ByteBuffer byteBuffer)
void	updateStatisticsForMemoryAssigner(LayerMemoryAssigner memoryAssigner)

Methods inherited from class org.apache.iotdb.db.mpp.plan.expression.Expression

checkInputExpressionDataType, deserialize, equals, getExpressionString, getExpressionStringInternal, getExpressionType, getInputColumnIndex, hashCode, inferTypes, isBuiltInAggregationFunctionExpression, isCompareBinaryExpression, isConstantOperand, iterator, serialize, serialize, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

firstExpression

protected final Expression firstExpression

secondExpression

protected final Expression secondExpression

thirdExpression

protected final Expression thirdExpression

Constructor Detail

TernaryExpression

protected TernaryExpression(Expression firstExpression,
                            Expression secondExpression,
                            Expression thirdExpression)

TernaryExpression

protected TernaryExpression(java.nio.ByteBuffer byteBuffer)

Method Detail

getFirstExpression

public Expression getFirstExpression()

getSecondExpression

public Expression getSecondExpression()

getThirdExpression

public Expression getThirdExpression()

accept

public <R,C> R accept(ExpressionVisitor<R,C> visitor,
                            C context)

Description copied from class: Expression

Accessible for ExpressionVisitor, use ExpressionVisitor.process(org.apache.iotdb.db.mpp.plan.expression.Expression, C) instead.

Overrides:

accept in class Expression

isConstantOperandInternal

public boolean isConstantOperandInternal()

Description copied from class: Expression

Sub-classes should override this method indicating if the expression is a constant operand

Specified by:

isConstantOperandInternal in class Expression

isTimeSeriesGeneratingFunctionExpression

public boolean isTimeSeriesGeneratingFunctionExpression()

Overrides:

isTimeSeriesGeneratingFunctionExpression in class Expression

isUserDefinedAggregationFunctionExpression

public boolean isUserDefinedAggregationFunctionExpression()

Overrides:

isUserDefinedAggregationFunctionExpression in class Expression

getExpressions

public java.util.List<Expression> getExpressions()

Description copied from class: Expression

returns the DIRECT children expressions if it has any, otherwise an EMPTY list will be returned

Specified by:

getExpressions in class Expression

concat

public final void concat(java.util.List<org.apache.iotdb.commons.path.PartialPath> prefixPaths,
                         java.util.List<Expression> resultExpressions)

Specified by:

concat in class Expression

removeWildcards

public final void removeWildcards(WildcardsRemover wildcardsRemover,
                                  java.util.List<Expression> resultExpressions)
                           throws LogicalOptimizeException

Specified by:

removeWildcards in class Expression

Throws:

LogicalOptimizeException

collectPaths

public void collectPaths(java.util.Set<org.apache.iotdb.commons.path.PartialPath> pathSet)

Specified by:

collectPaths in class Expression

isMappable

public boolean isMappable(TypeProvider typeProvider)

Specified by:

isMappable in class Expression

constructUdfExecutors

public void constructUdfExecutors(java.util.Map<java.lang.String,UDTFExecutor> expressionName2Executor,
                                  java.time.ZoneId zoneId)

Specified by:

constructUdfExecutors in class Expression

bindInputLayerColumnIndexWithExpression

public void bindInputLayerColumnIndexWithExpression(UDTFPlan udtfPlan)

Specified by:

bindInputLayerColumnIndexWithExpression in class Expression

bindInputLayerColumnIndexWithExpression

public final void bindInputLayerColumnIndexWithExpression(java.util.Map<java.lang.String,java.util.List<InputLocation>> inputLocations)

Specified by:

bindInputLayerColumnIndexWithExpression in class Expression

updateStatisticsForMemoryAssigner

public void updateStatisticsForMemoryAssigner(LayerMemoryAssigner memoryAssigner)

Specified by:

updateStatisticsForMemoryAssigner in class Expression

operator

protected abstract java.lang.String operator()

serialize

protected void serialize(java.nio.ByteBuffer byteBuffer)

Specified by:

serialize in class Expression

serialize

protected void serialize(java.io.DataOutputStream stream)
                  throws java.io.IOException

Specified by:

serialize in class Expression

Throws:

java.io.IOException