Package org.apache.pinot.pql.parsers.pql2.ast

Class IsNullPredicateAstNode

java.lang.Object

org.apache.pinot.pql.parsers.pql2.ast.BaseAstNode

org.apache.pinot.pql.parsers.pql2.ast.PredicateAstNode

org.apache.pinot.pql.parsers.pql2.ast.IsNullPredicateAstNode

All Implemented Interfaces:

AstNode

public class IsNullPredicateAstNode
extends PredicateAstNode

AST node for IS predicates (foo IS NULL, foo IS NOT NULL).

Field Summary

Fields inherited from class org.apache.pinot.pql.parsers.pql2.ast.PredicateAstNode

_identifier

Constructor Summary

Constructors

Constructor	Description
IsNullPredicateAstNode(boolean notNodeExists)

Method Summary

Modifier and Type	Method	Description
void	addChild(AstNode childNode)
Expression	buildFilterExpression()	Create the query expression tree for the where clause
FilterQueryTree	buildFilterQueryTree()	Create the query tree for the where clause

Methods inherited from class org.apache.pinot.pql.parsers.pql2.ast.PredicateAstNode

getIdentifier

Methods inherited from class org.apache.pinot.pql.parsers.pql2.ast.BaseAstNode

doneProcessingChildren, getChildren, getParent, hasChildren, hasParent, sendBrokerRequestUpdateToChildren, sendPinotQueryUpdateToChildren, setParent, toString, toString, updateBrokerRequest, updatePinotQuery

Methods inherited from class java.lang.Object

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

Constructor Detail

IsNullPredicateAstNode

public IsNullPredicateAstNode(boolean notNodeExists)

Method Detail

addChild

public void addChild(AstNode childNode)

Specified by:

addChild in interface AstNode

Overrides:

addChild in class BaseAstNode

buildFilterQueryTree

public FilterQueryTree buildFilterQueryTree()

Description copied from class: PredicateAstNode

Create the query tree for the where clause

Specified by:

buildFilterQueryTree in class PredicateAstNode

Returns:

buildFilterExpression

public Expression buildFilterExpression()

Description copied from class: PredicateAstNode

Create the query expression tree for the where clause

Specified by:

buildFilterExpression in class PredicateAstNode

Returns: