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Multiple occurrences of query vars in pattern and aggregates #428

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zoren opened this issue Feb 25, 2022 · 2 comments
Open

Multiple occurrences of query vars in pattern and aggregates #428

zoren opened this issue Feb 25, 2022 · 2 comments

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@zoren
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zoren commented Feb 25, 2022

With this query:

(q '[:find (count ?e) .
     :with ?i
     :where [?e :r ?e ?i]]
   [[1 :r 1 10]
    [2 :r 1 11]])

I get 1 with Datomic but 2 in datascript. It appears the test for two occurrences of a query variable is tested too late.
@tonsky
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tonsky commented Feb 28, 2022

Looks like it. Related: #336

@refset
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refset commented Mar 20, 2023

I think this self-unification issue is related too: #240

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@zoren @tonsky @refset