Github user cgivre commented on a diff in the pull request: https://github.com/apache/drill/pull/1201#discussion_r180410015 --- Diff: contrib/gis/src/main/java/org/apache/drill/exec/expr/fn/impl/gis/STBuffer.java --- @@ -0,0 +1,65 @@ +/** + * 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.DrillSimpleFunc; +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.holders.Float8Holder; +import org.apache.drill.exec.expr.holders.VarBinaryHolder; + +import io.netty.buffer.DrillBuf; + --- End diff -- Can you please include a sentence describing what this function does? Thanks!