SparkRel (Apache Calcite API)

All Superinterfaces:

java.lang.Cloneable, RelNode, RelOptNode

All Known Implementing Classes:

EnumerableToSparkConverter, JdbcToSparkConverter, SparkRules.SparkCalc, SparkRules.SparkValues
```
public interface SparkRel
extends RelNode
```
Relational expression that uses Spark calling convention.

Nested Class Summary

Nested Classes
Modifier and Type	Interface	Description
`static class`	`SparkRel.Implementor`	Extension to `JavaRelImplementor` that can handle Spark relational expressions.
`static class`	`SparkRel.Result`	Result of generating Java code to implement a Spark relational expression.

Nested classes/interfaces inherited from interface org.apache.calcite.rel.RelNode
RelNode.Context

Field Summary

Fields
Modifier and Type Field Description

static Convention CONVENTION
Calling convention for relational operations that occur in Spark.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type Method Description

SparkRel.Result implementSpark(SparkRel.Implementor implementor)
- Methods inherited from interface org.apache.calcite.rel.RelNode
  accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeSelfCost, computeSelfCost, copy, estimateRowCount, explain, getChildExps, getCollationList, getConvention, getCorrelVariable, getExpectedInputRowType, getInput, getInputs, getQuery, getRelTypeName, getRows, getRowType, getTable, getVariablesSet, getVariablesStopped, isDistinct, isKey, isValid, isValid, metadata, onRegister, recomputeDigest, register, replaceInput
- Methods inherited from interface org.apache.calcite.plan.RelOptNode
  getCluster, getDescription, getDigest, getId, getTraitSet

- Field Detail
  - CONVENTION
```
static final Convention CONVENTION
```
    Calling convention for relational operations that occur in Spark.
- Method Detail
  - implementSpark
```
SparkRel.Result implementSpark(SparkRel.Implementor implementor)
```