xinyiZzz opened a new pull request, #29328:
URL: https://github.com/apache/doris/pull/29328
## Proposed changes
Additional deleted filter condition will be materialized column be at the
end of the block,
after _output_column_by_sel_idx will be erase, we not need to filter it,
so erase it from _columns_to_filter in the first next_batch.
Eg:
`delete from table where a = 10;`
`select b from table;`
a column only effective in segment iterator, the block from query engine
only contain the b column,
so no need to filter a column by expr.
## 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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