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Query like match (a:Person) return count(distinct a) has an infinite loop problem #3339

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ted-wq-x opened this issue Apr 22, 2024 · 2 comments · Fixed by #3348
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Query like match (a:Person) return count(distinct a) has an infinite loop problem #3339

ted-wq-x opened this issue Apr 22, 2024 · 2 comments · Fixed by #3348
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@ted-wq-x
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ted-wq-x commented Apr 22, 2024 •
edited by prrao87

DataSet

ldbc sf100

Problem

While the numbers of a exceeded BaseHashTable#maxNumHashSlots, the dead loop appears in the loop outside the method AggregateHashTable::increaseSlotIdx
@ray6080 ray6080 added the bug Something isn't working label Apr 22, 2024
@acquamarin
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Hello!
May i know the query that causes the infinte loop?

Thank you!

@ted-wq-x
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ted-wq-x commented Apr 22, 2024 •
edited by prrao87 

MATCH (a:Person) RETURN COUNT(DISTINCT a)

@acquamarin acquamarin mentioned this issue Apr 23, 2024
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Fix distinct hash table resizing kuzudb/kuzu
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@ray6080 @ted-wq-x @acquamarin