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    Type:Task 
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    Resolution: Fixed
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    Priority:L3 - Default 
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    Affects Version/s: None
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    Component/s: engine
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    None
Problem
- With CAM-11620&CAM-11621an unnecessary left join over the historic process instance table was introduced
- This makes executing the query more costly
Solution
Remove unnecessary left join from queries.
AT
Remove unnecessary left join in variable & detail query for historic instance permissions