JdbcQueryProvider (Apache Calcite API)

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 JdbcQueryProvider INSTANCE

Constructor Summary

Constructors
Modifier Constructor Description

private JdbcQueryProvider()

Method Summary

All Methods Instance Methods Concrete Methods
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 Detail
  - INSTANCE
```
public static final JdbcQueryProvider INSTANCE
```
- Constructor Detail
  - JdbcQueryProvider
```
private JdbcQueryProvider()
```
- Method Detail
  - 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