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ASF GitHub Bot commented on DRILL-4091: --------------------------------------- Github user cgivre commented on a diff in the pull request: https://github.com/apache/drill/pull/258#discussion_r148172786 --- Diff: contrib/gis/src/main/java/org/apache/drill/exec/expr/fn/impl/gis/STUnionAggregate.java --- @@ -0,0 +1,114 @@ +/** + * 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.drill.exec.expr.fn.impl.gis; + +import javax.inject.Inject; + +import org.apache.drill.exec.expr.DrillAggFunc; +import org.apache.drill.exec.expr.annotations.FunctionTemplate; +import org.apache.drill.exec.expr.annotations.Output; +import org.apache.drill.exec.expr.annotations.Param; +import org.apache.drill.exec.expr.annotations.Workspace; +import org.apache.drill.exec.expr.holders.BigIntHolder; +import org.apache.drill.exec.expr.holders.IntHolder; +import org.apache.drill.exec.expr.holders.NullableVarBinaryHolder; +import org.apache.drill.exec.expr.holders.ObjectHolder; +import org.apache.drill.exec.expr.holders.UInt1Holder; + +import com.esri.core.geometry.SpatialReference; + +import io.netty.buffer.DrillBuf; + +@FunctionTemplate(name = "st_unionaggregate", scope = FunctionTemplate.FunctionScope.POINT_AGGREGATE) +public class STUnionAggregate implements DrillAggFunc { + @Param NullableVarBinaryHolder in; + @Workspace ObjectHolder value; --- End diff -- I believe the ObjectHolder is deprecated. However, it would be worth having a discussion about "undeprecating" it as without it, it is really difficult if not impossible to write aggregate functions. > Support more functions in gis contrib module > -------------------------------------------- > > Key: DRILL-4091 > URL: https://issues.apache.org/jira/browse/DRILL-4091 > Project: Apache Drill > Issue Type: Improvement > Components: Functions - Drill > Reporter: Karol Potocki > Priority: Major > > Support for commonly used gis functions in gis contrib module: relate, > contains, crosses, intersects, touches, difference, disjoint, buffer, union > etc. -- This message was sent by Atlassian JIRA (v6.4.14#64029)