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Description

currently, we do typecoercion twice. First one in bind stage, second one after subquery unnest.
The reason is we cannot do type coersion on SubqueryExpr and reserve it when it convert to apply and join.

Solution

do typecoercion on subqueryExpr when binding and remove the second type coercion.

Are you willing to submit PR?

• Yes I am willing to submit a PR!

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