LuciferYang commented on PR #9909:
URL: https://github.com/apache/paimon/pull/9909#issuecomment-5710610167
Removed `close #9883`; the PR now references it without closing, and I noted
the partially-evaluable case (including the same-field `id >= 0 AND CAST(id AS
BIGINT) > 0` shape) stays tracked there.
Agreed that field coverage cannot establish exactness: your CAST example has
`contributingFieldIds = {id}` covering every referenced field yet is still
inexact, because a second conjunct on the same field is unsupported. The
follow-up needs an expression-level exactness signal or residual predicate from
the evaluator, then raw fallback or candidate re-checking to refill the
filtered top-K rather than filtering only the initial K. I will keep that out
of this PR.
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