Github user JamesRTaylor commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/239#discussion_r116562713
--- Diff:
phoenix-core/src/main/java/org/apache/phoenix/util/NonAggregateROUtil.java ---
@@ -0,0 +1,355 @@
+package org.apache.phoenix.util;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;
+import org.apache.hadoop.hbase.Cell;
+import org.apache.hadoop.hbase.KeyValue;
+import org.apache.hadoop.hbase.client.Result;
+import org.apache.hadoop.hbase.client.Scan;
+import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
+import org.apache.hadoop.hbase.regionserver.Region;
+import org.apache.hadoop.hbase.regionserver.RegionScanner;
+import org.apache.hadoop.io.WritableUtils;
+import org.apache.phoenix.cache.GlobalCache;
+import org.apache.phoenix.cache.TenantCache;
+import org.apache.phoenix.coprocessor.BaseRegionScanner;
+import org.apache.phoenix.coprocessor.BaseScannerRegionObserver;
+import org.apache.phoenix.coprocessor.HashJoinRegionScanner;
+import org.apache.phoenix.execute.MutationState;
+import org.apache.phoenix.execute.TupleProjector;
+import org.apache.phoenix.expression.Expression;
+import org.apache.phoenix.expression.KeyValueColumnExpression;
+import org.apache.phoenix.expression.OrderByExpression;
+import org.apache.phoenix.expression.SingleCellColumnExpression;
+import org.apache.phoenix.expression.function.ArrayIndexFunction;
+import org.apache.phoenix.hbase.index.covered.update.ColumnReference;
+import org.apache.phoenix.hbase.index.util.ImmutableBytesPtr;
+import org.apache.phoenix.index.IndexMaintainer;
+import org.apache.phoenix.iterate.OffsetResultIterator;
+import org.apache.phoenix.iterate.OrderedResultIterator;
+import org.apache.phoenix.iterate.RegionScannerResultIterator;
+import org.apache.phoenix.iterate.ResultIterator;
+import org.apache.phoenix.join.HashJoinInfo;
+import org.apache.phoenix.memory.MemoryManager;
+import org.apache.phoenix.query.QueryConstants;
+import org.apache.phoenix.schema.KeyValueSchema;
+import org.apache.phoenix.schema.PTable;
+import org.apache.phoenix.schema.ValueBitSet;
+import org.apache.phoenix.schema.tuple.ResultTuple;
+import org.apache.phoenix.schema.tuple.Tuple;
+import org.apache.phoenix.schema.types.PInteger;
+import org.apache.phoenix.util.context.RegionContext;
+import org.apache.phoenix.util.context.RegionSnapshotContext;
+import org.apache.tephra.Transaction;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.io.IOException;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+
+import static
org.apache.phoenix.util.EncodedColumnsUtil.getMinMaxQualifiersFromScan;
+
+public class NonAggregateROUtil extends RegionObserverUtil {
--- End diff --
In general, our Util classes only have static methods. How about a
different naming convention for these that a post fixed with "Factory" instead
of "Util, like NonAggregateRegionScannerFactory?
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