Make LogicalPlan::with_new_exprs, deprecate from_plan
#7396
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tshauck
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Sep 4, 2023
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@liukun4515 / @jackwener could I trouble you for a review of this PR? I can no longer merge such PRs without an approval of another committer. Thank you, Andrew |
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Which issue does this PR close?
related to #7359
Rationale for this change
While reviewing a great documentation improvement from @tshauck it took me a while to find the
from_planfunction used to rewrite LogicalPlans. See #7359 (comment)I think this makes it harder to work with the DataFusion codebase unnecessarily.
The reason it took me a while to find I think was
LogicalPlan(it is in a utility module).exprorexprsin its nameThus, given it takes a
&LogicalPlanas its first input I think it makes sense and would be more easily findable as a method onLogicalPlan.It also turns out
from_planforcesExprs to be copied even when most callsites already have a copy of those exprsWhat changes are included in this PR?
from_plantoLogicalPlan::with_new_exprs()from_plannew_with_exprs(see second commit in this PR)Note that
LogicalPlan::new_with_exprstake aVec<Expr>instead of&[Expr]likefrom_planas it needs the owned Exprs anywaysAre these changes tested?
By existing tests
Are there any user-facing changes?
New API, deprecated old one