[GitHub] [incubator-pinot] jtao15 commented on a change in pull request #6975: Merge rollup executor enhancement

[GitBox <gi...@apache.org>]

jtao15 commented on a change in pull request #6975:
URL: https://github.com/apache/incubator-pinot/pull/6975#discussion_r644326007



##########
File path: pinot-core/src/main/java/org/apache/pinot/core/segment/processing/framework/MergeRollupSegmentProcessorFramework.java
##########
@@ -0,0 +1,183 @@
+/**
+ * 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.segment.processing.framework;
+
+import com.google.common.base.Preconditions;
+import java.io.File;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import org.apache.commons.io.FileUtils;
+import org.apache.pinot.core.common.MinionConstants;
+import org.apache.pinot.core.segment.processing.collector.CollectorConfig;
+import org.apache.pinot.core.segment.processing.collector.CollectorFactory;
+import org.apache.pinot.core.segment.processing.collector.ValueAggregatorFactory;
+import org.apache.pinot.spi.config.table.TableConfig;
+import org.apache.pinot.spi.data.Schema;
+
+
+/**
+ * Merge rollup segment processor framework takes a list of segments and concatenates/rolls up segments based on
+ * the configuration.
+ *
+ * TODO:
+ *   1. Add the support for roll-up
+ *   2. Add the support to make result segments time aligned
+ *   3. Add merge/roll-up prefixes for result segments
+ */
+public class MergeRollupSegmentProcessorFramework {
+  private List<File> _originalIndexDirs;
+  private final File _workingDir;
+  private final String _inputSegmentDir;
+  private final String _outputSegmentDir;
+  private final SegmentProcessorConfig _segmentProcessorConfig;
+
+  private MergeRollupSegmentProcessorFramework(TableConfig tableConfig, Schema schema, String mergeType,

Review comment:
       Done




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