AMashenkov commented on a change in pull request #7813:
URL: https://github.com/apache/ignite/pull/7813#discussion_r426693360



##########
File path: 
modules/core/src/main/java/org/apache/ignite/internal/processors/query/GridIndex.java
##########
@@ -14,18 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+package org.apache.ignite.internal.processors.query;
 
-package org.apache.ignite.internal.processors.query.calcite.schema;
-
-import java.util.List;
-import org.apache.calcite.rel.RelCollation;
+import org.apache.ignite.internal.processors.cache.persistence.tree.BPlusTree;
+import org.apache.ignite.internal.util.lang.GridCursor;
 
 /**
- *
+ * Index interface.
  */
-public interface SortedTable {
-    /**
-     * @return The table collations.
-     */
-    List<RelCollation> collations();
+public interface GridIndex<T> {
+
+    GridCursor<T> find(T lower, T upper, BPlusTree.TreeRowClosure<T, T> 
filterClosure);

Review comment:
       Javadoc




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