Jackie-Jiang commented on a change in pull request #8264: URL: https://github.com/apache/pinot/pull/8264#discussion_r831432053
########## File path: pinot-core/src/main/java/org/apache/pinot/core/operator/transform/function/IsNotNullTransformFunction.java ########## @@ -0,0 +1,101 @@ +/** + * 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.pinot.core.operator.transform.function; + +import com.google.common.base.Preconditions; +import java.util.Arrays; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import org.apache.pinot.core.operator.blocks.ProjectionBlock; +import org.apache.pinot.core.operator.transform.TransformResultMetadata; +import org.apache.pinot.segment.spi.datasource.DataSource; +import org.apache.pinot.segment.spi.index.reader.NullValueVectorReader; +import org.roaringbitmap.PeekableIntIterator; + + +public class IsNotNullTransformFunction extends BaseTransformFunction { Review comment: Is the concern more about performance or readability? I prefer extracting the common methods when it is not very small (less than 5 lines) so that future changes do not need to go to multiple places. But I'm okay either way because as you said there are only 2 classes ########## File path: pinot-core/src/main/java/org/apache/pinot/core/operator/transform/function/TransformFunctionFactory.java ########## @@ -165,6 +165,9 @@ private TransformFunctionFactory() { // tuple selection put(canonicalize(TransformFunctionType.LEAST.getName().toLowerCase()), LeastTransformFunction.class); put(canonicalize(TransformFunctionType.GREATEST.getName().toLowerCase()), GreatestTransformFunction.class); + put(canonicalize(TransformFunctionType.IS_NULL.getName().toLowerCase()), IsNullTransformFunction.class); Review comment: (minor) Add a new category for them as they are not tuple selection -- 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. To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org