t3rmin4t0r commented on a change in pull request #656: HIVE-21742 :
Vectorization: CASE result type casting
URL: https://github.com/apache/hive/pull/656#discussion_r289582808
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File path: ql/src/test/results/clientpositive/perf/spark/query80.q.out
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@@ -782,7 +782,7 @@ STAGE PLANS:
1 Map 33
Statistics: Num rows: 231917759 Data size: 31534108438 Basic
stats: COMPLETE Column stats: NONE
Select Operator
- expressions: _col15 (type: string), _col5 (type:
decimal(7,2)), CASE WHEN (_col9 is not null) THEN (_col9) ELSE (0) END (type:
decimal(12,2)), (_col6 - CASE WHEN (_col10 is not null) THEN (_col10) ELSE (0)
END) (type: decimal(13,2))
+ expressions: _col15 (type: string), _col5 (type:
decimal(7,2)), CASE WHEN (_col9 is not null) THEN (_col9) ELSE (CAST( 0 AS
decimal(7,2))) END (type: decimal(7,2)), (_col6 - CASE WHEN (_col10 is not
null) THEN (_col10) ELSE (CAST( 0 AS decimal(7,2))) END) (type: decimal(8,2))
Review comment:
Also, inside it is 7,2, outside it is 8,2?
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