VenuReddy2103 commented on a change in pull request #3436: [CARBONDATA-3548]Geospatial Support: Modified to create and load the table with a nonschema dimension sort column. And added InPolygon UDF
URL:
https://github.com/apache/carbondata/pull/3436#discussion_r373037031
##########
File path: core/src/main/java/org/apache/carbondata/core/scan/expression/geo/PolygonExpression.java
##########
@@ -0,0 +1,118 @@
+/*
+ * 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.carbondata.core.scan.expression.geo;
+
+import java.util.List;
+
+import org.apache.carbondata.common.annotations.InterfaceAudience;
+import org.apache.carbondata.core.metadata.datatype.DataTypes;
+import org.apache.carbondata.core.scan.expression.ColumnExpression;
+import org.apache.carbondata.core.scan.expression.Expression;
+import org.apache.carbondata.core.scan.expression.ExpressionResult;
+import org.apache.carbondata.core.scan.expression.LiteralExpression;
+import org.apache.carbondata.core.scan.expression.conditional.GreaterThanEqualToExpression;
+import org.apache.carbondata.core.scan.expression.conditional.LessThanEqualToExpression;
+import org.apache.carbondata.core.scan.expression.exception.FilterIllegalMemberException;
+import org.apache.carbondata.core.scan.expression.exception.FilterUnsupportedException;
+import org.apache.carbondata.core.scan.expression.logical.AndExpression;
+import org.apache.carbondata.core.scan.expression.logical.OrExpression;
+import org.apache.carbondata.core.scan.expression.logical.RangeExpression;
+import org.apache.carbondata.core.scan.expression.logical.TrueExpression;
+import org.apache.carbondata.core.scan.filter.intf.ExpressionType;
+import org.apache.carbondata.core.scan.filter.intf.RowIntf;
+import org.apache.carbondata.core.util.CustomIndex;
+
+/**
+ * InPolygon expression processor. It inputs the InPolygon string to the GeoHash implementation's
+ * query method, gets the list of ranges of GeoHash IDs to filter as an output. And then, multiple
+ * range expressions are build from those list of ranges.
+ */
+@InterfaceAudience.Internal
+public class PolygonExpression extends Expression {
+ private String polygon;
+ private String columnName;
+ private CustomIndex<Long, String, List<Long[]>> handler;
+ private List<Long[]> ranges;
+
+ public PolygonExpression(String polygon, String columnName, CustomIndex handler) {
+ this.polygon = polygon;
+ this.handler = handler;
+ this.columnName = columnName;
+ }
+
+ /**
+ * This method builds the GeoHash range expressions from the list of ranges of GeoHash IDs.
Review comment:
Done
----------------------------------------------------------------
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.
For queries about this service, please contact Infrastructure at:
[hidden email]
With regards,
Apache Git Services
Locked
