public abstract class CommonRelSubExprRule extends RelOptRule
CommonRelSubExprRule
is an abstract base class for rules
that are fired only on relational expressions that appear more than once
in a query tree.description, operands, relBuilderFactory
Constructor and Description |
---|
CommonRelSubExprRule(RelOptRuleOperand operand)
Creates a
CommonRelSubExprRule . |
any, convert, convert, convertList, convertOperand, convertOperand, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, guessDescription, hashCode, matches, none, onMatch, operand, operand, operand, operand, operand, operandJ, operandJ, some, toString, unordered
public CommonRelSubExprRule(RelOptRuleOperand operand)
CommonRelSubExprRule
.operand
- root operand, must not be nullCopyright © 2012–2019 The Apache Software Foundation. All rights reserved.