itschrispeck commented on code in PR #11739: URL: https://github.com/apache/pinot/pull/11739#discussion_r1373731706
########## pinot-core/src/main/java/org/apache/pinot/core/operator/transform/function/JsonExtractIndexTransformFunction.java: ########## @@ -0,0 +1,257 @@ +/** + * 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 java.math.BigDecimal; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import org.apache.pinot.core.operator.ColumnContext; +import org.apache.pinot.core.operator.blocks.ValueBlock; +import org.apache.pinot.core.operator.transform.TransformResultMetadata; +import org.apache.pinot.segment.spi.index.reader.JsonIndexReader; +import org.apache.pinot.spi.data.FieldSpec.DataType; +import org.roaringbitmap.RoaringBitmap; + + +/** + * The <code>JsonExtractIndexTransformFunction</code> provides the same behavior as JsonExtractScalar, with the + * implementation changed to read values from the JSON index. For large JSON blobs this can be faster than parsing + * GBs of JSON at query time. For small JSON blobs/highly filtered input this is generally slower than the *scalar + * implementation. + */ +public class JsonExtractIndexTransformFunction extends BaseTransformFunction { + public static final String FUNCTION_NAME = "jsonExtractIndex"; + + private TransformFunction _jsonFieldTransformFunction; + private String _jsonPathString; + private TransformResultMetadata _resultMetadata; + private JsonIndexReader _jsonIndexReader; + private Object _defaultValue; + private Map<Object, RoaringBitmap> _postingListCache; Review Comment: renamed this var, the javadoc where it is initialized has the information -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
