org.apache.ignite.internal.processors.query.h2.dml

Class FastUpdate

java.lang.Object

org.apache.ignite.internal.processors.query.h2.dml.FastUpdate

public final class FastUpdate
extends Object

Arguments for fast, query-less UPDATE or DELETE - key and, optionally, value and new value.

Method Summary

Modifier and Type	Method and Description
static FastUpdate	create(GridSqlElement key, GridSqlElement val, @Nullable GridSqlElement newVal) Create fast update instance.
UpdateResult	execute(GridCacheAdapter cache, Object[] args) Perform single cache operation based on given args.
IgniteBiTuple	getRow(Object[] args)

Methods inherited from class java.lang.Object

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

Method Detail

create

public static FastUpdate create(GridSqlElement key,
                                GridSqlElement val,
                                @Nullable
                                @Nullable GridSqlElement newVal)

Create fast update instance.

Parameters:

key - Key element.

val - Value element.

newVal - New value element (if any)

Returns:

Fast update.

execute

public UpdateResult execute(GridCacheAdapter cache,
                            Object[] args)
                     throws IgniteCheckedException

Perform single cache operation based on given args.

Parameters:

cache - Cache.

args - Query parameters.

Returns:

1 if an item was affected, 0 otherwise.

Throws:

IgniteCheckedException - if failed.

getRow

public IgniteBiTuple getRow(Object[] args)
                     throws IgniteCheckedException

Parameters:

args - Query Parameters.

Returns:

Key and value.

Throws:

IgniteCheckedException - If failed.