Package com.clickhouse.client.data

Class ClickHouseTabSeparatedProcessor

java.lang.Object

com.clickhouse.client.ClickHouseDataProcessor

com.clickhouse.client.data.ClickHouseTabSeparatedProcessor

public class ClickHouseTabSeparatedProcessor
extends ClickHouseDataProcessor

Field Summary

Fields inherited from class com.clickhouse.client.ClickHouseDataProcessor

columns, config, DEFAULT_COLUMNS, ERROR_UNKNOWN_DATA_TYPE, input, output, settings

Constructor Summary

Constructors

Constructor	Description
ClickHouseTabSeparatedProcessor(ClickHouseConfig config, ClickHouseInputStream input, OutputStream output, List<ClickHouseColumn> columns, Map<String,Object> settings)

Method Summary

Modifier and Type	Method	Description
List<ClickHouseColumn>	readColumns()	Read columns from input stream.
Iterable<ClickHouseRecord>	records()	Returns an iterable collection of records which can be walked through in a foreach loop.

Methods inherited from class com.clickhouse.client.ClickHouseDataProcessor

buildMappings, getColumns

Methods inherited from class java.lang.Object

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

Constructor Detail

ClickHouseTabSeparatedProcessor

public ClickHouseTabSeparatedProcessor(ClickHouseConfig config,
                                       ClickHouseInputStream input,
                                       OutputStream output,
                                       List<ClickHouseColumn> columns,
                                       Map<String,Object> settings)
                                throws IOException

Throws:

IOException

Method Detail

readColumns

public List<ClickHouseColumn> readColumns()
                                   throws IOException

Description copied from class: ClickHouseDataProcessor

Read columns from input stream. Usually this will be only called once during instantiation.

Specified by:

readColumns in class ClickHouseDataProcessor

Returns:

list of columns

Throws:

IOException - when failed to read columns from input stream

records

public Iterable<ClickHouseRecord> records()

Description copied from class: ClickHouseDataProcessor

Returns an iterable collection of records which can be walked through in a foreach loop. Please pay attention that: 1) UncheckedIOException might be thrown when iterating through the collection; and 2) it's not supposed to be called for more than once.

Specified by:

records in class ClickHouseDataProcessor

Returns:

non-null iterable collection