Refactor PhysicalExprSimplfier to &self instead of &mut self #19212
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This allows it to be Arc'ed, have multiple references, etc. It's a backwards compatible change (aside from producing compiler warnings about unnecessarily mutable variables).
adriangb
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alamb and
xudong963
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xudong963
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This allows it to be Arc'ed, have multiple references, etc. It's a backwards compatible change (aside from producing compiler warnings about unnecessarily mutable variables).
This will help with #19111 where we'll want to re-use a simplifier instance for predicate and projection.