ru.yandex.clickhouse

Class Writer

java.lang.Object

ru.yandex.clickhouse.Writer

public class Writer
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected ClickHouseStatementImpl	statement

Method Summary

Modifier and Type	Method and Description
T	addDbParam(ClickHouseQueryParam param, String value)
Writer	data(File input) Shortcut method for specifying a file as an input
Writer	data(File input, ClickHouseFormat format)
Writer	data(InputStream stream) Specifies data input stream
Writer	data(InputStream stream, ClickHouseFormat format)
Writer	format(ClickHouseFormat format) Specifies format for further insert of data via send()
T	option(String key, String value)
T	options(Map<String,String> params)
void	send() Method to call, when Writer is fully configured
void	send(String sql, ClickHouseStreamCallback callback, ClickHouseFormat format) Sends the data in RowBinary or in Native formats
void	send(String sql, InputStream data, ClickHouseFormat format) Allows to send stream of data to ClickHouse
void	sendToTable(String table, InputStream data, ClickHouseFormat format) Convenient method for importing the data into table
Writer	sql(String sql) Set SQL for data insertion
Writer	table(String table) Set table name for data insertion
T	withDbParams(Map<ClickHouseQueryParam,String> dbParams)

Methods inherited from class java.lang.Object

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

Field Detail

statement

protected final ClickHouseStatementImpl statement

Method Detail

format

public Writer format(ClickHouseFormat format)

Specifies format for further insert of data via send()

table

public Writer table(String table)

Set table name for data insertion

Parameters:

table - table name

Returns:

this

sql

public Writer sql(String sql)

Set SQL for data insertion

Parameters:

sql - in a form "INSERT INTO table_name [(X,Y,Z)] VALUES "

Returns:

this

data

public Writer data(InputStream stream)

Specifies data input stream

data

public Writer data(InputStream stream,
                   ClickHouseFormat format)

data

public Writer data(File input)

Shortcut method for specifying a file as an input

data

public Writer data(File input,
                   ClickHouseFormat format)

send

public void send()
          throws SQLException

Method to call, when Writer is fully configured

Throws:

SQLException

send

public void send(String sql,
                 InputStream data,
                 ClickHouseFormat format)
          throws SQLException

Allows to send stream of data to ClickHouse

Parameters:

sql - in a form of "INSERT INTO table_name (X,Y,Z) VALUES "

data - where to read data from

format - format of data in InputStream

Throws:

SQLException

sendToTable

public void sendToTable(String table,
                        InputStream data,
                        ClickHouseFormat format)
                 throws SQLException

Convenient method for importing the data into table

Parameters:

table - table name

data - source data

format - format of data in InputStream

Throws:

SQLException

send

public void send(String sql,
                 ClickHouseStreamCallback callback,
                 ClickHouseFormat format)
          throws SQLException

Sends the data in RowBinary or in Native formats

Throws:

SQLException

addDbParam

public T addDbParam(ClickHouseQueryParam param,
                    String value)

withDbParams

public T withDbParams(Map<ClickHouseQueryParam,String> dbParams)

options

public T options(Map<String,String> params)

option

public T option(String key,
                String value)