Implement Support for GIS Queries

core/build.gradle

@@ -63,7 +63,14 @@ dependencies {
 
     api group: "io.activej", name: "activej-serializer", version: activej_serializer_version
 
+    // GIS
+    api group: "org.locationtech.jts", name: "jts-core", version: jts_version // Eclipse Public License 2.0 && Eclipse Distribution License 1.0 (BSD-3 Clause)
+    api group: "org.locationtech.jts.io", name: "jts-io-common", version: jts_version // Eclipse Public License 2.0 && Eclipse Distribution License 1.0 (BSD-3 Clause)
+    api group: "org.locationtech.proj4j", name: "proj4j", version: proj4j_version // Apache 2.0
+    api group: "org.locationtech.proj4j", name: "proj4j-epsg", version: proj4j_version // Apache 2.0
+
     // --- Test Compile ---
+    testImplementation group: 'org.junit.jupiter', name: 'junit-jupiter', version: junit_jupiter_version
     testRuntimeOnly(group: 'org.junit.jupiter', name: 'junit-jupiter-engine', version: junit_jupiter_version)
     testImplementation group: "org.hamcrest", name: "hamcrest-core", version: hamcrest_core_version  // BSD 3-clause
 }

core/src/main/java/org/polypheny/db/algebra/constant/FunctionCategory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2019-2021 The Polypheny Project
+ * Copyright 2019-2024 The Polypheny Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,6 +18,7 @@
 
 import static org.polypheny.db.algebra.constant.FunctionCategory.Property.DISTANCE_FUNCTION;
 import static org.polypheny.db.algebra.constant.FunctionCategory.Property.FUNCTION;
+import static org.polypheny.db.algebra.constant.FunctionCategory.Property.GEO_FUNCTION;
 import static org.polypheny.db.algebra.constant.FunctionCategory.Property.MULTIMEDIA_FUNCTION;
 import static org.polypheny.db.algebra.constant.FunctionCategory.Property.SPECIFIC;
 import static org.polypheny.db.algebra.constant.FunctionCategory.Property.TABLE_FUNCTION;
@@ -44,7 +45,8 @@ public enum FunctionCategory {
     USER_DEFINED_TABLE_SPECIFIC_FUNCTION( "TABLE_UDF_SPECIFIC", "User-defined table function with SPECIFIC name", USER_DEFINED, TABLE_FUNCTION, SPECIFIC ),
     MATCH_RECOGNIZE( "MATCH_RECOGNIZE", "MATCH_RECOGNIZE function", TABLE_FUNCTION ),
     DISTANCE( "DISTANCE", "distance function", DISTANCE_FUNCTION ),
-    MULTIMEDIA( "MULTIMEDIA", "Multimedia function", MULTIMEDIA_FUNCTION );
+    MULTIMEDIA( "MULTIMEDIA", "Multimedia function", MULTIMEDIA_FUNCTION ),
+    GEOMETRY( "GEOMETRY", "Geo function", GEO_FUNCTION );
 
     private final EnumSet<Property> properties;
 
@@ -71,6 +73,11 @@ public boolean isMultimedia() {
     }
 
 
+    public boolean isGeo() {
+        return properties.contains( GEO_FUNCTION );
+    }
+
+
     public boolean isTableFunction() {
         return properties.contains( TABLE_FUNCTION );
     }
@@ -97,7 +104,7 @@ public boolean isUserDefinedNotSpecificFunction() {
      * Property of a SqlFunctionCategory.
      */
     enum Property {
-        USER_DEFINED, TABLE_FUNCTION, SPECIFIC, FUNCTION, DISTANCE_FUNCTION, MULTIMEDIA_FUNCTION
+        USER_DEFINED, TABLE_FUNCTION, SPECIFIC, FUNCTION, DISTANCE_FUNCTION, MULTIMEDIA_FUNCTION, GEO_FUNCTION
     }
 }
 

core/src/main/java/org/polypheny/db/algebra/constant/Kind.java

@@ -117,6 +117,11 @@ public enum Kind {
      */
     DISTANCE,
 
+    /**
+     * GEO functions.
+     */
+    GEO,
+
     /**
      * POSITION Function
      */
@@ -1233,7 +1238,6 @@ public enum Kind {
 
     /**
      * DDL statement not handled above.
-     *
      */
     OTHER_DDL,
 

core/src/main/java/org/polypheny/db/algebra/enumerable/EnumerableProjectRule.java

@@ -12,23 +12,6 @@
  * 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.
- *
- * This file incorporates code covered by the following terms:
- *
- * 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.polypheny.db.algebra.enumerable;

core/src/main/java/org/polypheny/db/algebra/enumerable/EnumerableRules.java

@@ -124,8 +124,6 @@ private EnumerableRules() {
 
     public static final EnumerableScanRule ENUMERABLE_TABLE_SCAN_RULE = new EnumerableScanRule( AlgFactories.LOGICAL_BUILDER );
 
-    public static final EnumerableTableFunctionScanRule ENUMERABLE_TABLE_FUNCTION_SCAN_RULE = new EnumerableTableFunctionScanRule( AlgFactories.LOGICAL_BUILDER );
-
     public static final EnumerableTransformerRule ENUMERABLE_TRANSFORMER_RULE = new EnumerableTransformerRule();
 
     public static final EnumerableLpgMatchRule ENUMERABLE_GRAPH_MATCH_RULE = new EnumerableLpgMatchRule( AlgFactories.LOGICAL_BUILDER );

core/src/main/java/org/polypheny/db/algebra/enumerable/JavaTupleFormat.java

@@ -274,4 +274,3 @@ public Expression comparer() {
      */
     public abstract Expression field( Expression expression, int field, Type fromType, Type fieldType );
 }
-