Jackie-Jiang commented on a change in pull request #5444: URL: https://github.com/apache/incubator-pinot/pull/5444#discussion_r432060103
########## File path: pinot-core/src/main/java/org/apache/pinot/core/operator/docidsets/AndDocIdSet.java ########## @@ -0,0 +1,156 @@ +/** + * 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.docidsets; + +import java.util.ArrayList; +import java.util.List; +import org.apache.pinot.common.utils.Pairs.IntPair; +import org.apache.pinot.core.common.BlockDocIdIterator; +import org.apache.pinot.core.operator.dociditerators.AndDocIdIterator; +import org.apache.pinot.core.operator.dociditerators.BitmapBasedDocIdIterator; +import org.apache.pinot.core.operator.dociditerators.RangelessBitmapDocIdIterator; +import org.apache.pinot.core.operator.dociditerators.ScanBasedDocIdIterator; +import org.apache.pinot.core.operator.dociditerators.SortedDocIdIterator; +import org.apache.pinot.core.util.SortedRangeIntersection; +import org.roaringbitmap.buffer.ImmutableRoaringBitmap; +import org.roaringbitmap.buffer.MutableRoaringBitmap; + + +/** + * The FilterBlockDocIdSet to perform AND on all child FilterBlockDocIdSets. + * <p>The AndBlockDocIdSet will construct the BlockDocIdIterator based on the BlockDocIdIterators from the child + * FilterBlockDocIdSets: + * <ul> + * <li> + * When there are at least one index-base BlockDocIdIterators (SortedDocIdIterator or BitmapBasedDocIdIterator) and Review comment: It uses a bitmap to perform AND for all index-based BlockDocIdIterators, and use ScanBasedDocIdIterator.applyAnd(docIds) to resolve the scan-based BlockDocIdIterators. After all, there will be one RangelessBitmapDocIdIterator on top of the result bitmap. ---------------------------------------------------------------- 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. 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
