Package com.clickhouse.client.api.metrics

Enum ServerMetrics

java.lang.Object

java.lang.Enum<ServerMetrics>

com.clickhouse.client.api.metrics.ServerMetrics

All Implemented Interfaces:

Serializable, Comparable<ServerMetrics>, java.lang.constant.Constable

public enum ServerMetrics
extends Enum<ServerMetrics>

Stats returned by the server.

`-1` means the value is not available.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
ELAPSED_TIME	Elapsed time in nanoseconds.
NUM_BYTES_READ	Number of bytes read by server from the storage.
NUM_BYTES_WRITTEN	Number of bytes written by server to the storage.
NUM_ROWS_READ	Number of rows read by server from the storage.
NUM_ROWS_WRITTEN	Number of rows written by server to the storage.
RESULT_ROWS	Number of returned rows.
TOTAL_ROWS_TO_READ	Estimated number of rows to read from the storage.

Method Summary

Modifier and Type	Method	Description
String	getKey()
static ServerMetrics	valueOf(String name)	Returns the enum constant of this type with the specified name.
static ServerMetrics[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

NUM_ROWS_READ

public static final ServerMetrics NUM_ROWS_READ

Number of rows read by server from the storage.

NUM_ROWS_WRITTEN

public static final ServerMetrics NUM_ROWS_WRITTEN

Number of rows written by server to the storage.

TOTAL_ROWS_TO_READ

public static final ServerMetrics TOTAL_ROWS_TO_READ

Estimated number of rows to read from the storage.

NUM_BYTES_READ

public static final ServerMetrics NUM_BYTES_READ

Number of bytes read by server from the storage.

NUM_BYTES_WRITTEN

public static final ServerMetrics NUM_BYTES_WRITTEN

Number of bytes written by server to the storage.

RESULT_ROWS

public static final ServerMetrics RESULT_ROWS

Number of returned rows.

ELAPSED_TIME

public static final ServerMetrics ELAPSED_TIME

Elapsed time in nanoseconds.

Method Details

values

public static ServerMetrics[] values()

Returns an array containing the constants of this enum type, in the order they are declared.

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static ServerMetrics valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

getKey

public String getKey()