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

Class GridH2CollocationModel

java.lang.Object

org.apache.ignite.internal.processors.query.h2.opt.GridH2CollocationModel

public final class GridH2CollocationModel
extends Object

Collocation model for a query.

Field Summary

Fields

Modifier and Type	Field and Description
static int	MULTIPLIER_COLLOCATED

Method Summary

Modifier and Type	Method and Description
static GridH2CollocationModel	buildCollocationModel(GridH2QueryContext qctx, SubQueryInfo info, TableFilter[] filters, int filter, boolean validate)
int	calculateMultiplier()
static boolean	isCollocated(Query qry)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

MULTIPLIER_COLLOCATED

public static final int MULTIPLIER_COLLOCATED

See Also:

Constant Field Values

Method Detail

toString

public String toString()

Overrides:

toString in class Object

calculateMultiplier

public int calculateMultiplier()

Returns:

Multiplier.

buildCollocationModel

public static GridH2CollocationModel buildCollocationModel(GridH2QueryContext qctx,
                                                           SubQueryInfo info,
                                                           TableFilter[] filters,
                                                           int filter,
                                                           boolean validate)

Parameters:

qctx - Query context.

info - Sub-query info.

filters - Filters.

filter - Filter.

validate - Query validation flag.

Returns:

Collocation.

isCollocated

public static boolean isCollocated(Query qry)

Parameters:

qry - Query.

Returns:

true If the query is collocated.