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0 and -0 should be group to 0 #346

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loneylee opened this issue Mar 8, 2023 · 0 comments

loneylee commented Mar 8, 2023

Use case

select  a,count(*) from (select 0 a union all select -0 a) t group by a

spark result:
0, 2

ch backend result:
0, 1
-0, 1

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