org.apache.calcite.adapter.cassandra

Class CassandraRel.Implementor

java.lang.Object

org.apache.calcite.adapter.cassandra.CassandraRel.Implementor

Enclosing interface:

CassandraRel

public static class CassandraRel.Implementor
extends Object

Callback for the implementation process that converts a tree of CassandraRel nodes into a CQL query.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) CassandraTable	cassandraTable
(package private) int	fetch
(package private) int	offset
(package private) List<String>	order
(package private) Map<String,String>	selectFields
(package private) RelOptTable	table
(package private) List<String>	whereClause

Constructor Summary

Constructors

Constructor and Description
Implementor()

Method Summary

Modifier and Type	Method and Description
void	add(Map<String,String> fields, List<String> predicates) Adds newly projected fields and restricted predicates.
void	addOrder(List<String> newOrder)
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

selectFields

final Map<String,String> selectFields

whereClause

final List<String> whereClause

offset

int offset

fetch

int fetch

order

final List<String> order

table

RelOptTable table

cassandraTable

CassandraTable cassandraTable

Constructor Detail

Implementor

public Implementor()

Method Detail

add

public void add(Map<String,String> fields,
                List<String> predicates)

Adds newly projected fields and restricted predicates.

Parameters:

fields - New fields to be projected from a query

predicates - New predicates to be applied to the query

addOrder

public void addOrder(List<String> newOrder)

visitChild

public void visitChild(int ordinal,
                       RelNode input)