Github user chrajeshbabu commented on a diff in the pull request: https://github.com/apache/phoenix/pull/156#discussion_r58640990 --- Diff: phoenix-core/src/main/java/org/apache/phoenix/iterate/BaseResultIterators.java --- @@ -465,7 +465,14 @@ private static String toString(List<byte[]> gps) { } private List<List<Scan>> getParallelScans() throws SQLException { - return getParallelScans(EMPTY_BYTE_ARRAY, EMPTY_BYTE_ARRAY); + if (scan == null + || (ScanUtil.isLocalIndex(scan) + && Bytes.compareTo(context.getScan().getStartRow(), scan.getStartRow()) == 0 && Bytes + .compareTo(context.getScan().getStopRow(), scan.getStopRow()) == 0)) { + return getParallelScans(EMPTY_BYTE_ARRAY, EMPTY_BYTE_ARRAY); --- End diff -- This check detects whether scan boundaries are equal to context scan boundaries or not. If they are same we are going by getting all parallel scans for the table. Will document it.
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