/*
* Copyright 2004-2014 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.index;
import org.h2.result.SearchRow;
import org.h2.table.TableFilter;
/**
* A spatial index. Spatial indexes are used to speed up searching
* spatial/geometric data.
*/
public interface SpatialIndex extends Index {
/**
* Find a row or a list of rows and create a cursor to iterate over the
* result.
*
* @param filter the table filter (which possibly knows about additional
* conditions)
* @param first the lower bound
* @param last the upper bound
* @param intersection the geometry which values should intersect with, or
* null for anything
* @return the cursor to iterate over the results
*/
Cursor findByGeometry(TableFilter filter, SearchRow first, SearchRow last,
SearchRow intersection);
}