kangkaisen commented on a change in pull request #5165:
URL: https://github.com/apache/incubator-doris/pull/5165#discussion_r549913788
##########
File path:
fe/fe-core/src/main/java/org/apache/doris/planner/SingleNodePlanner.java
##########
@@ -86,7 +86,7 @@
private final PlannerContext ctx_;
private final ArrayList<ScanNode> scanNodes = Lists.newArrayList();
- private Map<UUID, List<ScanNode>> selectStmtToScanNodes =
Maps.newHashMap();
+ private Map<Analyzer, List<ScanNode>> selectStmtToScanNodes =
Maps.newHashMap();
Review comment:
No.
For SQL
```
select id, t1 from(
select id, a as t1 from t
union all
select id, aaa as t1 from t
) k2;
```
The analyzer instances for `select id, a as t1 from t` and `select id, aaa
as t1 from t` are different.
Such as, The analyzer instances for `select id, a as t1 from t` is 6177,
which ancestors are[6219,6220,6221],
The analyzer instances for `select id, aaa as t1 from t` is 6225, which
ancestors are[6247,6220,6221].
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