stevenzwu commented on code in PR #12667: URL: https://github.com/apache/iceberg/pull/12667#discussion_r2456577612
########## api/src/test/java/org/apache/iceberg/geospatial/TestGeospatialPredicateEvaluators.java: ########## @@ -0,0 +1,489 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.iceberg.geospatial; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.assertj.core.api.Assertions.assertThatThrownBy; + +import org.apache.iceberg.types.EdgeAlgorithm; +import org.apache.iceberg.types.Type; +import org.apache.iceberg.types.Types; +import org.junit.jupiter.api.Test; + +public class TestGeospatialPredicateEvaluators { + + @Test + public void testGeometryType() { + Type geometryType = Types.GeometryType.crs84(); + GeospatialPredicateEvaluators.GeospatialPredicateEvaluator evaluator = + GeospatialPredicateEvaluators.create(geometryType); + + assertThat(evaluator).isInstanceOf(GeospatialPredicateEvaluators.GeometryEvaluator.class); + } + + @Test + public void testSphericalGeographyType() { + Type geographyType = Types.GeographyType.of("srid:4326", EdgeAlgorithm.SPHERICAL); + GeospatialPredicateEvaluators.GeospatialPredicateEvaluator evaluator = + GeospatialPredicateEvaluators.create(geographyType); + + assertThat(evaluator).isInstanceOf(GeospatialPredicateEvaluators.GeographyEvaluator.class); + } + + @Test + public void testUnsupportedType() { + Type stringType = Types.StringType.get(); + + assertThatThrownBy(() -> GeospatialPredicateEvaluators.create(stringType)) + .isInstanceOf(UnsupportedOperationException.class) + .hasMessageContaining("Unsupported type for BoundingBox"); + } + + @Test + public void testOverlappingGeometryBoxesIntersect() { + Type geometryType = Types.GeometryType.crs84(); + GeospatialPredicateEvaluators.GeospatialPredicateEvaluator evaluator = + GeospatialPredicateEvaluators.create(geometryType); + + GeospatialBound min1 = GeospatialBound.createXY(0.0, 0.0); + GeospatialBound max1 = GeospatialBound.createXY(5.0, 5.0); + BoundingBox box1 = new BoundingBox(min1, max1); + + GeospatialBound min2 = GeospatialBound.createXY(3.0, 3.0); + GeospatialBound max2 = GeospatialBound.createXY(8.0, 8.0); + BoundingBox box2 = new BoundingBox(min2, max2); + + assertThat(evaluator.intersects(box1, box2)).isTrue(); + assertThat(evaluator.intersects(box2, box1)).isTrue(); + } + + @Test + public void testNonOverlappingGeometryBoxesDontIntersect() { + Type geometryType = Types.GeometryType.crs84(); + GeospatialPredicateEvaluators.GeospatialPredicateEvaluator evaluator = + GeospatialPredicateEvaluators.create(geometryType); + + GeospatialBound min1 = GeospatialBound.createXY(0.0, 0.0); + GeospatialBound max1 = GeospatialBound.createXY(2.0, 2.0); + BoundingBox box1 = new BoundingBox(min1, max1); + + GeospatialBound min2 = GeospatialBound.createXY(3.0, 3.0); + GeospatialBound max2 = GeospatialBound.createXY(5.0, 5.0); + BoundingBox box2 = new BoundingBox(min2, max2); + + assertThat(evaluator.intersects(box1, box2)).isFalse(); + assertThat(evaluator.intersects(box2, box1)).isFalse(); + } + + @Test + public void testGeometryBoxesTouchingAtCornerIntersect() { + Type geometryType = Types.GeometryType.crs84(); + GeospatialPredicateEvaluators.GeospatialPredicateEvaluator evaluator = + GeospatialPredicateEvaluators.create(geometryType); + + GeospatialBound min1 = GeospatialBound.createXY(0.0, 0.0); + GeospatialBound max1 = GeospatialBound.createXY(2.0, 2.0); + BoundingBox box1 = new BoundingBox(min1, max1); + + GeospatialBound min2 = GeospatialBound.createXY(2.0, 2.0); + GeospatialBound max2 = GeospatialBound.createXY(4.0, 4.0); + BoundingBox box2 = new BoundingBox(min2, max2); + + assertThat(evaluator.intersects(box1, box2)).isTrue(); + assertThat(evaluator.intersects(box2, box1)).isTrue(); + } + + @Test + public void testGeometryBoxesTouchingAtEdgeIntersect() { + Type geometryType = Types.GeometryType.crs84(); + GeospatialPredicateEvaluators.GeospatialPredicateEvaluator evaluator = + GeospatialPredicateEvaluators.create(geometryType); + + GeospatialBound min1 = GeospatialBound.createXY(0.0, 0.0); + GeospatialBound max1 = GeospatialBound.createXY(2.0, 2.0); + BoundingBox box1 = new BoundingBox(min1, max1); + + GeospatialBound min2 = GeospatialBound.createXY(2.0, 0.0); + GeospatialBound max2 = GeospatialBound.createXY(4.0, 2.0); + BoundingBox box2 = new BoundingBox(min2, max2); + + assertThat(evaluator.intersects(box1, box2)).isTrue(); + assertThat(evaluator.intersects(box2, box1)).isTrue(); + } + + @Test + public void testGeometryBoxContainedWithinAnotherIntersects() { + Type geometryType = Types.GeometryType.crs84(); + GeospatialPredicateEvaluators.GeospatialPredicateEvaluator evaluator = + GeospatialPredicateEvaluators.create(geometryType); + + GeospatialBound min1 = GeospatialBound.createXY(0.0, 0.0); + GeospatialBound max1 = GeospatialBound.createXY(10.0, 10.0); + BoundingBox box1 = new BoundingBox(min1, max1); + + GeospatialBound min2 = GeospatialBound.createXY(2.0, 2.0); + GeospatialBound max2 = GeospatialBound.createXY(5.0, 5.0); + BoundingBox box2 = new BoundingBox(min2, max2); + + assertThat(evaluator.intersects(box1, box2)).isTrue(); + assertThat(evaluator.intersects(box2, box1)).isTrue(); + } + + @Test + public void testGeometryBoxesWithZCoordinate() { + Type geometryType = Types.GeometryType.crs84(); + GeospatialPredicateEvaluators.GeospatialPredicateEvaluator evaluator = + GeospatialPredicateEvaluators.create(geometryType); + + // Two boxes with Z coordinates that overlap in X and Y but not in Z + GeospatialBound min1 = GeospatialBound.createXYZ(0.0, 0.0, 0.0); + GeospatialBound max1 = GeospatialBound.createXYZ(2.0, 2.0, 1.0); + BoundingBox box1 = new BoundingBox(min1, max1); + + GeospatialBound min2 = GeospatialBound.createXYZ(1.0, 1.0, 2.0); + GeospatialBound max2 = GeospatialBound.createXYZ(3.0, 3.0, 3.0); + BoundingBox box2 = new BoundingBox(min2, max2); + + GeospatialBound min3 = GeospatialBound.createXYZ(1.0, 1.0, 1.0); + GeospatialBound max3 = GeospatialBound.createXYZ(3.0, 3.0, 3.0); + BoundingBox box3 = new BoundingBox(min3, max3); + + assertThat(evaluator.intersects(box1, box2)).isFalse(); + assertThat(evaluator.intersects(box2, box1)).isFalse(); + assertThat(evaluator.intersects(box1, box3)).isTrue(); + assertThat(evaluator.intersects(box3, box1)).isTrue(); + assertThat(evaluator.intersects(box2, box3)).isTrue(); + assertThat(evaluator.intersects(box3, box2)).isTrue(); + } + + @Test + public void testGeometryBoxesWithMCoordinate() { + Type geometryType = Types.GeometryType.crs84(); + GeospatialPredicateEvaluators.GeospatialPredicateEvaluator evaluator = + GeospatialPredicateEvaluators.create(geometryType); + + // Two boxes with M coordinates that overlap in X and Y but not in M + GeospatialBound min1 = GeospatialBound.createXYM(0.0, 0.0, 0.0); + GeospatialBound max1 = GeospatialBound.createXYM(2.0, 2.0, 1.0); + BoundingBox box1 = new BoundingBox(min1, max1); + + GeospatialBound min2 = GeospatialBound.createXYM(1.0, 1.0, 2.0); + GeospatialBound max2 = GeospatialBound.createXYM(3.0, 3.0, 3.0); + BoundingBox box2 = new BoundingBox(min2, max2); + + GeospatialBound min3 = GeospatialBound.createXYM(1.0, 1.0, 1.0); + GeospatialBound max3 = GeospatialBound.createXYM(3.0, 3.0, 3.0); + BoundingBox box3 = new BoundingBox(min3, max3); + + assertThat(evaluator.intersects(box1, box2)).isFalse(); + assertThat(evaluator.intersects(box2, box1)).isFalse(); + assertThat(evaluator.intersects(box1, box3)).isTrue(); + assertThat(evaluator.intersects(box3, box1)).isTrue(); + assertThat(evaluator.intersects(box2, box3)).isTrue(); + assertThat(evaluator.intersects(box3, box2)).isTrue(); + } + + @Test + public void testGeometryBoxesWithEmptyXRange() { Review Comment: > we can still mix and match geometry and geography bounds when evaluating predicates. agree this is a problem. > One possible approach is adding a member to signify the type of the bounding box, or defining GeometryBoundingBox and GeographyBoundingBox as distinct subtypes defining GeometryBoundingBox and GeographyBoundingBox as distinct subtypes would complicate the min-max predicate evaluation, [as you linked earlier](https://github.com/apache/iceberg/pull/14102/files#diff-089ec58f6b1412f14b2bc46786586fa28ff64e866ac5d1044fb8efc6c21df32aR489-R494). agree with you that it is stricter but a little more complex. Let's keep the current implementation for now and see what others think. I will leave this thread open for visibility. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
