org.apache.ignite.internal.processors.query.h2.opt.join

Class CollocationModel

java.lang.Object

org.apache.ignite.internal.processors.query.h2.opt.join.CollocationModel

public final class CollocationModel
extends Object

Collocation model for a query.

Method Summary

Modifier and Type	Method and Description
static CollocationModelMultiplier	distributedMultiplier(org.gridgain.internal.h2.engine.Session ses, org.gridgain.internal.h2.table.TableFilter[] filters, int filter) Get distributed multiplier for the given sequence of tables.
static boolean	isCollocated(org.gridgain.internal.h2.command.dml.Query qry)
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

toString

public String toString()

Overrides:

toString in class Object

distributedMultiplier

public static CollocationModelMultiplier distributedMultiplier(org.gridgain.internal.h2.engine.Session ses,
                                                               org.gridgain.internal.h2.table.TableFilter[] filters,
                                                               int filter)

Get distributed multiplier for the given sequence of tables.

Parameters:

ses - Session.

filters - Filters.

filter - Filter index.

Returns:

Multiplier.

isCollocated

public static boolean isCollocated(org.gridgain.internal.h2.command.dml.Query qry)

Parameters:

qry - Query.

Returns:

true If the query is collocated.