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

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

Class	Description
ConstantHolder	Description of a constant argument of an expression.
ExprNode	Condensed form of a Drill WHERE clause expression node.
ExprNode.AndNode	Represents a set of AND'ed expressions in Conjunctive Normal Form (CNF).
ExprNode.ColRelOpConstNode	Semanticized form of a Calcite relational operator.
ExprNode.ColumnTypeNode
ExprNode.ListNode	An expression node with an unlimited set of children.
ExprNode.OrNode	Represents a set of OR'ed expressions in Disjunctive Normal Form (CNF).
ExprNode.RelOpNode
FilterPushDownListener	Call-back (listener) implementation for a push-down filter.
FilterPushDownListener.ScanPushDownListener	Listener for a one specific group scan.
FilterPushDownStrategy	Generalized filter push-down strategy which performs all the tree-walking and tree restructuring work, allowing a "listener" to do the work needed for a particular scan.
FilterPushDownUtils
RelOp	Fixed set of Drill relational operators, using well-defined names.