[jira] [Assigned] (CARBONDATA-3373) Optimize scenes with in numbers in SQL

[Akash R Nilugal (Jira)]

     [ https://issues.apache.org/jira/browse/CARBONDATA-3373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

kumar vishal reassigned CARBONDATA-3373:
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    Assignee: kumar vishal

> Optimize scenes with in numbers in SQL
> --------------------------------------
>
>                 Key: CARBONDATA-3373
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-3373
>             Project: CarbonData
>          Issue Type: Improvement
>          Components: core
>            Reporter: zhxiaoping
>            Assignee: kumar vishal
>            Priority: Critical
>          Time Spent: 14h 50m
>  Remaining Estimate: 0h
>
> when sql with 'in numbers'  and spark.sql.codegen.wholeStage is false，the query is slow, 
> the reason is that canbonscan row level filter's time complexity is O(n^2), we can replace list with hashset to improve query performance
> sql example: select * from xx where filed in (1,2,3,4,5,6)
>  

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