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                                            qizheng

selection failed with message Some columns of IndexHashJoin_45 cannot find the reference from its child(ren)

fixed by https://github.com/pingcap/tidb/pull/61672

Warning 1356 is returned by querying information_schema.columns when a scalar subquery is used as a column in view definition

Possibly related to the use of sys session after https://github.com/pingcap/tidb/pull/33946.