EnumerableRel (Apache Calcite API)

All Superinterfaces:

java.lang.Cloneable, RelNode, RelOptNode

All Known Implementing Classes:

CassandraToEnumerableConverter, CsvTableScan, ElasticsearchToEnumerableConverter, EnumerableAggregate, EnumerableCalc, EnumerableCollect, EnumerableCorrelate, EnumerableFilter, EnumerableInterpreter, EnumerableIntersect, EnumerableJoin, EnumerableLimit, EnumerableMergeJoin, EnumerableMinus, EnumerableProject, EnumerableSemiJoin, EnumerableSort, EnumerableTableFunctionScan, EnumerableTableModify, EnumerableTableScan, EnumerableThetaJoin, EnumerableUncollect, EnumerableUnion, EnumerableValues, EnumerableWindow, FileTableScan, GeodeToEnumerableConverter, JdbcToEnumerableConverter, MongoToEnumerableConverter, PigToEnumerableConverter, SparkToEnumerableConverter, SplunkTableScan
```
public interface EnumerableRel
extends RelNode
```
A relational expression of one of the EnumerableConvention calling conventions.

Nested Class Summary

Nested Classes
Modifier and Type	Interface	Description
`static class`	`EnumerableRel.Prefer`	Preferred physical type.
`static class`	`EnumerableRel.Result`	Result of implementing an enumerable relational expression by generating Java code.

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

Field Summary

Fields
Modifier and Type Field Description

static RelFactories.FilterFactory FILTER_FACTORY

static RelFactories.ProjectFactory PROJECT_FACTORY

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`EnumerableRel.Result`	`implement(EnumerableRelImplementor implementor, EnumerableRel.Prefer pref)`	Creates a plan for this expression according to a calling convention.

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
  - FILTER_FACTORY
```
static final RelFactories.FilterFactory FILTER_FACTORY
```
  - PROJECT_FACTORY
```
static final RelFactories.ProjectFactory PROJECT_FACTORY
```
- Method Detail
  - implement
```
EnumerableRel.Result implement(EnumerableRelImplementor implementor,
                               EnumerableRel.Prefer pref)
```
    Creates a plan for this expression according to a calling convention.
    
    Parameters:
    
    implementor - Implementor
    
    pref - Preferred representation for rows in result expression
    
    Returns:
    
    Plan for this expression according to a calling convention