soumyakanti3578 commented on code in PR #5196:
URL: https://github.com/apache/hive/pull/5196#discussion_r1927755159
##########
ql/src/test/results/clientpositive/llap/pcs.q.out:
##########
@@ -1286,16 +1293,18 @@ PREHOOK: type: QUERY
PREHOOK: Input: default@pcs_t1
PREHOOK: Input: default@pcs_t1@ds=2000-04-08
PREHOOK: Input: default@pcs_t1@ds=2000-04-09
+PREHOOK: Input: default@pcs_t1@ds=2000-04-10
#### A masked pattern was here ####
POSTHOOK: query: explain extended select ds from pcs_t1 where struct(ds, key,
rand(100)) in (struct('2000-04-08',1,0.2), struct('2000-04-09',2,0.3))
POSTHOOK: type: QUERY
POSTHOOK: Input: default@pcs_t1
POSTHOOK: Input: default@pcs_t1@ds=2000-04-08
POSTHOOK: Input: default@pcs_t1@ds=2000-04-09
+POSTHOOK: Input: default@pcs_t1@ds=2000-04-10
#### A masked pattern was here ####
OPTIMIZED SQL: SELECT `ds`
FROM `default`.`pcs_t1`
-WHERE (`ds`, `key`, RAND(100)) IN ( ('2000-04-08', 1, 0.2), ('2000-04-09',
2, 0.3))
+WHERE (`ds`, `key`, RAND(100)) = ('2000-04-08', 1, 0.2) OR (`ds`, `key`,
RAND(100)) = ('2000-04-09', 2, 0.3)
Review Comment:
I am removing the `rand` function from this test as it doesn't seem
necessary. Non deterministic functions prevent the transformation of INs and
BETWEENs to a SEARCH operator, and instead we get an expanded expression like
above. This further prevents partition pruning as seen below.
I am removing the random function from here but adding tests in `search.q`
that shows the behaviour of predicates with non-deterministic function.
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