mymeiyi opened a new pull request, #31146:
URL: https://github.com/apache/doris/pull/31146
## Proposed changes
If table schame is changed, and recover partition which is in original
schema, the read/write to the recovered partition can get exception as:
```
mysql> insert into recover_with_schema_change0 values(4, 'a', '2022-01-02');
ERROR 1105 (HY000): errCode = 2, detailMessage =
(127.0.0.1)[CANCELLED][INTERNAL_ERROR]partition's index is not equal with
schema's, part_index=279201, schema_index=279218
0# doris::Status doris::Status::Error<6, true, long&,
long&>(std::basic_string_view<char, std::char_traits<char> >, long&, long&) at
/mnt/disk2/meiyi/clion_workspace/doris_master2/be/src/common/status.h:382
1# doris::Status doris::Status::InternalError<true, long&,
long&>(std::basic_string_view<char, std::char_traits<char> >, long&, long&) at
/mnt/disk
```
```
mysql> select * from tbl1;
ERROR 1105 (HY000): errCode = 2, detailMessage = Unexpected exception: null
java.lang.NullPointerException: null
at
org.apache.doris.planner.OlapScanNode.distributionPrune(OlapScanNode.java:715)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.planner.OlapScanNode.computeTabletInfo(OlapScanNode.java:1134)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.planner.OlapScanNode.createScanRangeLocations(OlapScanNode.java:992)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.planner.OlapScanNode.finalize(OlapScanNode.java:621)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.planner.OriginalPlanner.createPlanFragments(OriginalPlanner.java:208)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.planner.OriginalPlanner.plan(OriginalPlanner.java:102)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.qe.StmtExecutor.analyzeAndGenerateQueryPlan(StmtExecutor.java:1245)
~[doris-fe.jar:1.2-SNAPSHOT]
```
so should forbid it.
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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