private static class JdbcRules.JdbcCalcRule extends JdbcRules.JdbcConverterRule
Calc
to an
JdbcRules.JdbcCalc
.out
description, operands, relBuilderFactory
Modifier | Constructor and Description |
---|---|
private |
JdbcCalcRule(JdbcConvention out,
RelBuilderFactory relBuilderFactory)
Creates a JdbcCalcRule.
|
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
private JdbcCalcRule(JdbcConvention out, RelBuilderFactory relBuilderFactory)
public RelNode convert(RelNode rel)
ConverterRule
Returns null if conversion is not possible.
convert
in class ConverterRule
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