Package org.apache.calcite.adapter.jdbc

Class JdbcQueryProvider

java.lang.Object

org.apache.calcite.linq4j.QueryProviderImpl

org.apache.calcite.adapter.jdbc.JdbcQueryProvider

All Implemented Interfaces:

QueryProvider

public final class JdbcQueryProvider
extends QueryProviderImpl

Implementation of QueryProvider that talks to JDBC databases.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.linq4j.QueryProviderImpl

QueryProviderImpl.QueryableImpl<T>

Field Summary

Fields

Modifier and Type	Field	Description
static final JdbcQueryProvider	INSTANCE

Method Summary

Modifier and Type	Method	Description
<T> Enumerator<T>	executeQuery(Queryable<T> queryable)	Executes a queryable, and returns an enumerator over the rows that it yields.

Methods inherited from class org.apache.calcite.linq4j.QueryProviderImpl

createQuery, createQuery, execute, execute

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final JdbcQueryProvider INSTANCE

Method Details

executeQuery

public <T> Enumerator<T> executeQuery(Queryable<T> queryable)

Description copied from interface: QueryProvider

Executes a queryable, and returns an enumerator over the rows that it yields.

Parameters:

queryable - Queryable

Returns:

Enumerator over rows