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In the join test reduce_left_join_1
let sql = "select * from t1 left join t2 on t1.t1_id = t2.t2_id where t2.t2_id < 100";
the below sql will be convert to the inner join. But after the #3396 and move the type coercion in the beginning of the optimizer, we will do the cast first for the t2.t2_id < 100, and get the cast(t2.t2_id as int64) < Int64(100).
If with the cast or try_cast, the ReduceOuterJoin will not work.
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Is your feature request related to a problem or challenge? Please describe what you are trying to do.
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(This section helps Arrow developers understand the context and why for this feature, in addition to the what)
In the join test
reduce_left_join_1the below sql will be convert to the
inner join. But after the #3396 and move thetype coercionin the beginning of the optimizer, we will do the cast first for thet2.t2_id < 100, and get thecast(t2.t2_id as int64) < Int64(100).If with the cast or try_cast, the
ReduceOuterJoinwill not work.Describe the solution you'd like
A clear and concise description of what you want to happen.
Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.
Additional context
Add any other context or screenshots about the feature request here.