ajantha-bhat 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_r349007882
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File path: core/src/main/java/org/apache/carbondata/core/geo/GeoHashImpl.java
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@@ -0,0 +1,171 @@
+/*
+ * 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.geo;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.carbondata.common.exceptions.sql.MalformedCarbonCommandException;
+import org.apache.carbondata.core.constants.CarbonCommonConstants;
+import org.apache.carbondata.core.util.CustomIndex;
+
+/**
+ * GeoHash default implementation
+ */
+public class GeoHashImpl implements CustomIndex<Long, String, List<Long[]>> {
+ /**
+ * Initialize the geohash index handler instance.
+ * @param handlerName
+ * @param properties
+ * @throws Exception
+ */
+ @Override
+ public void init(String handlerName, Map<String, String> properties) throws Exception {
+ String options = properties.get(CarbonCommonConstants.INDEX_HANDLER);
+ if (options == null || options.isEmpty()) {
+ throw new MalformedCarbonCommandException(
+ String.format("%s property is invalid.", CarbonCommonConstants.INDEX_HANDLER));
+ }
+ options = options.toLowerCase();
+ if (!options.contains(handlerName.toLowerCase())) {
+ throw new MalformedCarbonCommandException(
+ String.format("%s property is invalid. %s is not present.",
+ CarbonCommonConstants.INDEX_HANDLER, handlerName));
+ }
+
+ String commonKey = CarbonCommonConstants.INDEX_HANDLER + "." + handlerName + ".";
+ String TYPE = commonKey + "type";
+ String SOURCE_COLUMNS = commonKey + "sourcecolumns";
+ String SOURCE_COLUMN_TYPES = commonKey + "sourcecolumntypes";
+ String TARGET_DATA_TYPE = commonKey + "datatype";
+ String ORIGIN_LATITUDE = commonKey + "originlatitude";
+ String MIN_LONGITUDE = commonKey + "minlongitude";
+ String MAX_LONGITUDE = commonKey + "maxlongitude";
+ String MIN_LATITUDE = commonKey + "minlatitude";
+ String MAX_LATITUDE = commonKey + "maxlatitude";
+ String GRID_SIZE = commonKey + "gridsize";
+ String CONVERSION_RATIO = commonKey + "conversionratio";
+
+
+ String sourceColumnsOption = properties.get(SOURCE_COLUMNS);
+ if (sourceColumnsOption == null) {
+ throw new MalformedCarbonCommandException(
+ String.format("%s property is invalid. %s property is not specified.",
+ CarbonCommonConstants.INDEX_HANDLER, SOURCE_COLUMNS));
+ }
+
+ if (sourceColumnsOption.split(",").length != 2) {
+ throw new MalformedCarbonCommandException(
+ String.format("%s property is invalid. %s property must have 2 columns.",
+ CarbonCommonConstants.INDEX_HANDLER, SOURCE_COLUMNS));
+ }
+
+ String type = properties.get(TYPE);
+ if (type != null && !CarbonCommonConstants.GEOHASH.equalsIgnoreCase(type)) {
+ throw new MalformedCarbonCommandException(
+ String.format("%s property is invalid. %s property must be %s for this class.",
+ CarbonCommonConstants.INDEX_HANDLER, TYPE, CarbonCommonConstants.GEOHASH));
+ }
+
+ properties.put(TYPE, CarbonCommonConstants.GEOHASH);
Review comment:
TYPE is already there in properties, no need to put again
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