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new 38ce61da403 [Fix](variant) filter with variant access may lead to to
parition/tablet prune fall through (#32560) (#32680)
38ce61da403 is described below
commit 38ce61da403afa084079a3c23b0b7522831c59c9
Author: lihangyu <[email protected]>
AuthorDate: Fri Mar 22 18:03:08 2024 +0800
[Fix](variant) filter with variant access may lead to to parition/tablet
prune fall through (#32560) (#32680)
Query like `select * from ut_p partitions(p2) where cast(var['a'] as int)
> 0` will fall through parition/tablet prunning since it's plan like
```
mysql> explain analyzed plan select * from ut_p where id = 3 and
cast(var['a'] as int) = 789;
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Explain String(Nereids Planner)
|
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| LogicalResultSink[26] ( outputExprs=[id#0, var#1] )
|
| +--LogicalProject[25] ( distinct=false, projects=[id#0, var#1],
excepts=[] )
|
| +--LogicalFilter[24] ( predicates=((cast(var#4 as INT) = 789) AND
(id#0 = 3)) )
|
| +--LogicalFilter[23] ( predicates=(0 = __DORIS_DELETE_SIGN__#2) )
|
| +--LogicalProject[22] ( distinct=false, projects=[id#0, var#1,
__DORIS_DELETE_SIGN__#2, __DORIS_VERSION_COL__#3, element_at(var#1, 'a') AS
`var`#4], excepts=[] ) |
| +--LogicalOlapScan (
qualified=regression_test_variant_p0.ut_p, indexName=<index_not_selected>,
selectedIndexId=10145, preAgg=ON ) |
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
6 rows in set (0.01 sec)
```
with an extra LogicalProject on top of LogicalOlapScan, so we should handle
such case to prune parition/tablet
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