planner: fix tiflash cannot find generated column (#41261)#41345
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ti-chi-bot merged 1 commit intopingcap:release-6.1from Mar 29, 2023
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This is an automated cherry-pick of #41261
Signed-off-by: guo-shaoge shaoge1994@163.com
What problem does this PR solve?
Issue Number: close #40663
Problem Summary: If you create generated column index after create table, planner may add this index into TableScan, which will be pushdown tiflash. But tiflash doesn't know this index column. So got
cannot find columnerror.What is changed and how it works?
For tiflash path, add
GeneratedColumnflag to column info, then tiflash will add an empty placeholder for this column.Check pingcap/tiflash#6796
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