Package com.clickhouse.client.api.internal

Class DataTypeConverter

java.lang.Object

com.clickhouse.client.api.internal.DataTypeConverter

public class DataTypeConverter
extends Object

Class designed to convert different data types to Java objects. First use-case is to convert ClickHouse data types to String representation. Note: class is not thread-safe to avoid extra object creation.

Field Summary

Fields

Modifier and Type	Field	Description
static final LocalDate	EPOCH_DATE
static final ZonedDateTime	EPOCH_START_OF_THE_DAY
static final DataTypeConverter	INSTANCE
static ZoneId	UTC_ZONE_ID

Constructor Summary

Constructors

Constructor	Description
DataTypeConverter()

Method Summary

Modifier and Type	Method	Description
String	arrayToString(Object value, ClickHouseColumn column)
String	arrayToString(Object value, String columnDef)
String	convertToString(Object value, ClickHouseColumn column)
String	dateTimeToString(Object value, ClickHouseColumn column)
String	dateToString(Object value, ClickHouseColumn column)
String	enumToString(Object value, ClickHouseColumn column)
String	ipvToString(Object value, ClickHouseColumn column)
String	stringToString(Object bytesOrString, ClickHouseColumn column)
String	timeToString(Object value, ClickHouseColumn column)
String	variantOrDynamicToString(Object value, ClickHouseColumn column)

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final DataTypeConverter INSTANCE

UTC_ZONE_ID

public static ZoneId UTC_ZONE_ID

EPOCH_START_OF_THE_DAY

public static final ZonedDateTime EPOCH_START_OF_THE_DAY

EPOCH_DATE

public static final LocalDate EPOCH_DATE

Constructor Details

DataTypeConverter

public DataTypeConverter()

Method Details

convertToString

public String convertToString(Object value,
 ClickHouseColumn column)

stringToString

public String stringToString(Object bytesOrString,
 ClickHouseColumn column)

dateToString

public String dateToString(Object value,
 ClickHouseColumn column)

timeToString

public String timeToString(Object value,
 ClickHouseColumn column)

dateTimeToString

public String dateTimeToString(Object value,
 ClickHouseColumn column)

enumToString

public String enumToString(Object value,
 ClickHouseColumn column)

ipvToString

public String ipvToString(Object value,
 ClickHouseColumn column)

arrayToString

public String arrayToString(Object value,
 ClickHouseColumn column)

arrayToString

public String arrayToString(Object value,
 String columnDef)

variantOrDynamicToString

public String variantOrDynamicToString(Object value,
 ClickHouseColumn column)

Parameters:

value - not null object value to convert

column - column describing the DB value

Returns:

String representing the value