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Review request for hive and Ashutosh Chauhan. Repository: hive-git Description ------- Current fix HIVE-9053 addresses the correctness issue. The solution can be improved further when several table scans share a physical path. Diffs ----- ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/NullScanTaskDispatcher.java 79c7b8b ql/src/test/results/clientpositive/metadataonly1.q.out 24cd9fb ql/src/test/results/clientpositive/optimize_nullscan.q.out f968a24 ql/src/test/results/clientpositive/tez/metadataonly1.q.out b8f1e11 ql/src/test/results/clientpositive/tez/optimize_nullscan.q.out 2d07968 Diff: https://reviews.apache.org/r/29081/diff/ Testing ------- Thanks, pengcheng xiong
