com.singlestore.jdbc.message.client

Class QueryPacket

java.lang.Object

com.singlestore.jdbc.message.client.QueryPacket

All Implemented Interfaces:

RedoableClientMessage, com.singlestore.jdbc.message.ClientMessage

public final class QueryPacket
extends Object
implements RedoableClientMessage

Constructor Summary

Constructors

Constructor and Description
QueryPacket(String sql) Constructor
QueryPacket(String sql, InputStream localInfileInputStream) Constructor with local infile input stream

Method Summary

Modifier and Type	Method and Description
int	batchUpdateLength() Number of parameter rows, and so expected return length
String	description() Message description
int	encode(Writer writer, com.singlestore.jdbc.client.Context context) COM_QUERY packet
InputStream	getLocalInfileInputStream() Get current local infile input stream.
boolean	isCommit() Check that command is a COMMIT command
boolean	validateLocalFileName(String fileName, com.singlestore.jdbc.client.Context context) Request for local file to be validated from current query.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.singlestore.jdbc.message.client.RedoableClientMessage

encode, ensureReplayable, reEncode, saveParameters

Methods inherited from interface com.singlestore.jdbc.message.ClientMessage

binaryProtocol, canSkipMeta, readPacket, validateLocalFileName

Constructor Detail

QueryPacket

public QueryPacket(String sql)

Constructor

Parameters:

sql - sql command

QueryPacket

public QueryPacket(String sql,
                   InputStream localInfileInputStream)

Constructor with local infile input stream

Parameters:

sql - sql

localInfileInputStream - local infile input stream

Method Detail

batchUpdateLength

public int batchUpdateLength()

Description copied from interface: com.singlestore.jdbc.message.ClientMessage

Number of parameter rows, and so expected return length

Specified by:

batchUpdateLength in interface com.singlestore.jdbc.message.ClientMessage

Returns:

batch update length

encode

public int encode(Writer writer,
                  com.singlestore.jdbc.client.Context context)
           throws IOException

COM_QUERY packet

int[1] 0x03 : COM_QUERY header string[EOF] SQL statement

Specified by:

encode in interface com.singlestore.jdbc.message.ClientMessage

Parameters:

writer - socket writer

context - connection context

Returns:

number of client message written

Throws:

IOException - if socket error occur

isCommit

public boolean isCommit()

Check that command is a COMMIT command

Returns:

true if a commit command

validateLocalFileName

public boolean validateLocalFileName(String fileName,
                                     com.singlestore.jdbc.client.Context context)

Description copied from interface: com.singlestore.jdbc.message.ClientMessage

Request for local file to be validated from current query.

Specified by:

validateLocalFileName in interface com.singlestore.jdbc.message.ClientMessage

Parameters:

fileName - server file request path

context - current connection context

Returns:

true if file name correspond to demand and query is a load local infile

getLocalInfileInputStream

public InputStream getLocalInfileInputStream()

Description copied from interface: com.singlestore.jdbc.message.ClientMessage

Get current local infile input stream.

Specified by:

getLocalInfileInputStream in interface com.singlestore.jdbc.message.ClientMessage

Returns:

default to null

description

public String description()

Description copied from interface: com.singlestore.jdbc.message.ClientMessage

Message description

Specified by:

description in interface com.singlestore.jdbc.message.ClientMessage

Returns:

description