org.apache.drill.exec.store.base.filter

Class ExprNode.AndNode

java.lang.Object

org.apache.drill.exec.store.base.filter.ExprNode

org.apache.drill.exec.store.base.filter.ExprNode.ListNode

org.apache.drill.exec.store.base.filter.ExprNode.AndNode

Enclosing class:

ExprNode

public static class ExprNode.AndNode
extends ExprNode.ListNode

Represents a set of AND'ed expressions in Conjunctive Normal Form (CNF). Typically the WHERE clause is rewritten to gather all expressions into a single CNF node. The children are often called "conjuncts."

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.drill.exec.store.base.filter.ExprNode

ExprNode.AndNode, ExprNode.ColRelOpConstNode, ExprNode.ColumnTypeNode, ExprNode.ListNode, ExprNode.OrNode, ExprNode.RelOpNode

Field Summary

Fields inherited from class org.apache.drill.exec.store.base.filter.ExprNode.ListNode

children

Constructor Summary

Constructors

Constructor and Description
AndNode(List<ExprNode> children)

Method Summary

Modifier and Type	Method and Description
double	selectivity()

Methods inherited from class org.apache.drill.exec.store.base.filter.ExprNode

rexNode, tag

Methods inherited from class java.lang.Object

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

Constructor Detail

AndNode

public AndNode(List<ExprNode> children)

Method Detail

selectivity

public double selectivity()

Specified by:

selectivity in class ExprNode