FlinkCalcMergeRule (Flink : 2.0-preview1 API)

java.lang.Object
- org.apache.calcite.plan.RelOptRule
- - org.apache.calcite.plan.RelRule<FlinkCalcMergeRule.FlinkCalcMergeRuleConfig>
  - - org.apache.flink.table.planner.plan.rules.logical.FlinkCalcMergeRule

```
@Enclosing
public class FlinkCalcMergeRule
extends org.apache.calcite.plan.RelRule<FlinkCalcMergeRule.FlinkCalcMergeRuleConfig>
```
Planner rule that merges a Calc onto a Calc.
The resulting Calc has the same project list as the upper Calc, but expressed in terms of the lower Calc's inputs.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static interface FlinkCalcMergeRule.FlinkCalcMergeRuleConfig
Rule configuration.
- Nested classes/interfaces inherited from class org.apache.calcite.plan.RelRule
  org.apache.calcite.plan.RelRule.Config, org.apache.calcite.plan.RelRule.Done, org.apache.calcite.plan.RelRule.MatchHandler<R extends org.apache.calcite.plan.RelOptRule>, org.apache.calcite.plan.RelRule.OperandBuilder, org.apache.calcite.plan.RelRule.OperandDetailBuilder<R extends org.apache.calcite.rel.RelNode>, org.apache.calcite.plan.RelRule.OperandTransform
- Nested classes/interfaces inherited from class org.apache.calcite.plan.RelOptRule
  org.apache.calcite.plan.RelOptRule.ConverterRelOptRuleOperand

Field Summary

Fields
Modifier and Type Field Description

static FlinkCalcMergeRule INSTANCE

static FlinkCalcMergeRule STREAM_PHYSICAL_INSTANCE
- Fields inherited from class org.apache.calcite.plan.RelRule
  config
- Fields inherited from class org.apache.calcite.plan.RelOptRule
  description, operands, relBuilderFactory

Constructor Summary

Constructors
Modifier Constructor Description

protected FlinkCalcMergeRule(FlinkCalcMergeRule.FlinkCalcMergeRuleConfig config)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`matches(org.apache.calcite.plan.RelOptRuleCall call)`
`void`	`onMatch(org.apache.calcite.plan.RelOptRuleCall call)`

Methods inherited from class org.apache.calcite.plan.RelOptRule
any, convert, convert, convertList, convertOperand, convertOperand, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, hashCode, none, operand, operand, operand, operand, operand, operandJ, operandJ, some, toString, unordered

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

INSTANCE

public static final FlinkCalcMergeRule INSTANCE

STREAM_PHYSICAL_INSTANCE

public static final FlinkCalcMergeRule STREAM_PHYSICAL_INSTANCE

Constructor Detail

FlinkCalcMergeRule

protected FlinkCalcMergeRule(FlinkCalcMergeRule.FlinkCalcMergeRuleConfig config)

Method Detail
- matches
```
public boolean matches(org.apache.calcite.plan.RelOptRuleCall call)
```
  Overrides:
  
  matches in class org.apache.calcite.plan.RelOptRule
- onMatch
```
public void onMatch(org.apache.calcite.plan.RelOptRuleCall call)
```
  Specified by:
  
  onMatch in class org.apache.calcite.plan.RelOptRule