org.apache.calcite.adapter.pig

Class PigRel.Implementor

java.lang.Object

org.apache.calcite.adapter.pig.PigRel.Implementor

Enclosing interface:

PigRel

public static class PigRel.Implementor
extends Object

Callback for the implementation process that converts a tree of PigRel nodes into complete Pig Latin script.

Field Summary

Fields

Modifier and Type	Field and Description
private List<String>	statements An ordered list of Pig Latin statements.

Constructor Summary

Constructors

Constructor and Description
Implementor()

Method Summary

Modifier and Type	Method and Description
void	addStatement(String statement)
String	getFieldName(RelNode input, int index)
String	getPigRelationAlias(RelNode input)
String	getScript()
List<String>	getStatements()
String	getTableName(RelNode input)
void	visitChild(int ordinal, RelNode input)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

statements

private final List<String> statements

An ordered list of Pig Latin statements.

See Pig Latin reference.

Constructor Detail

Implementor

public Implementor()

Method Detail

getTableName

public String getTableName(RelNode input)

getPigRelationAlias

public String getPigRelationAlias(RelNode input)

getFieldName

public String getFieldName(RelNode input,
                           int index)

addStatement

public void addStatement(String statement)

visitChild

public void visitChild(int ordinal,
                       RelNode input)

getStatements

public List<String> getStatements()

getScript

public String getScript()