public static class JdbcRules.JdbcAggregateRule extends JdbcRules.JdbcConverterRule
Aggregate
to a JdbcRules.JdbcAggregate
.out
description, operands, relBuilderFactory
Constructor and Description |
---|
JdbcAggregateRule(JdbcConvention out)
Deprecated.
|
JdbcAggregateRule(JdbcConvention out,
RelBuilderFactory relBuilderFactory)
Creates a JdbcAggregateRule.
|
Modifier and Type | Method and Description |
---|---|
RelNode |
convert(RelNode rel)
Converts a relational expression to the target trait(s) of this rule.
|
getInTrait, getOutConvention, getOutTrait, getTraitDef, isGuaranteed, onMatch
any, convert, convert, convertList, convertOperand, convertOperand, equals, equals, getOperand, getOperands, hashCode, matches, none, operand, operand, operand, operand, operand, operandJ, operandJ, some, toString, unordered
@Deprecated public JdbcAggregateRule(JdbcConvention out)
public JdbcAggregateRule(JdbcConvention out, RelBuilderFactory relBuilderFactory)
public RelNode convert(RelNode rel)
ConverterRule
Returns null if conversion is not possible.
convert
in class ConverterRule
Copyright © 2012–2019 The Apache Software Foundation. All rights reserved.