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Proposed changes

Issue Number: close #xxx

Unify `prepare` and `open` in `Operator`.
…e#41555)

For plan `local exchange (hash shuffle) -> union -> colocated agg`, we
must ensure local exchange use the same hash algorithm as MPP shuffling.

This problem is covered by our test cases but only can be reproduced on
multiple BEs so no case is added in this PR.
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@Gabriel39
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run buildall

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run buildall

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run buildall

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@dataroaring dataroaring left a comment

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LGTM

@dataroaring dataroaring merged commit 54b4fa3 into apache:branch-3.0 Oct 15, 2024
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3 participants