Package org.apache.shardingsphere.proxy.frontend.postgresql.command.query.extended

Class JDBCPortal

java.lang.Object

org.apache.shardingsphere.proxy.frontend.postgresql.command.query.extended.JDBCPortal

All Implemented Interfaces:

Portal<Void>

public final class JDBCPortal
extends Object
implements Portal<Void>

PostgreSQL portal using JDBC backend.

Constructor Summary

Constructors

Constructor	Description
JDBCPortal(String name, PostgreSQLServerPreparedStatement preparedStatement, List<Object> params, List<PostgreSQLValueFormat> resultFormats, JDBCBackendConnection backendConnection)

Method Summary

Modifier and Type	Method	Description
Void	bind()	Do bind.
void	close()	Close portal.
PostgreSQLPacket	describe()	Describe portal.
List<PostgreSQLPacket>	execute(int maxRows)	Execute portal.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.shardingsphere.proxy.frontend.postgresql.command.query.extended.Portal

getName, getSqlStatement

Constructor Details

JDBCPortal

public JDBCPortal(String name,
 PostgreSQLServerPreparedStatement preparedStatement,
 List<Object> params,
 List<PostgreSQLValueFormat> resultFormats,
 JDBCBackendConnection backendConnection)
           throws SQLException

Throws:

SQLException

Method Details

bind

public Void bind()

Description copied from interface: Portal

Do bind.

Specified by:

bind in interface Portal<Void>

Returns:

bind result, could be null

describe

public PostgreSQLPacket describe()

Description copied from interface: Portal

Describe portal.

Specified by:

describe in interface Portal<Void>

Returns:

portal description packet

execute

public List<PostgreSQLPacket> execute(int maxRows)

Description copied from interface: Portal

Execute portal.

Specified by:

execute in interface Portal<Void>

Parameters:

maxRows - max rows of query result

Returns:

execute result

close

public void close()

Description copied from interface: Portal

Close portal.

Specified by:

close in interface Portal<Void>