Commits on Aug 20, 2024

1. Replace jobs_user_guid_index with jobs_user_guid_state_index …

   When the jobs table is large and single users have also a large amount of jobs, which are mostly in state `COMPLETED`,
   postgres might decide to not use the index on `user_guid` column and scan the table with other methods, which are much slower.
   This commit removes the index on user_guid column and adds a new partial index on user_guid and state where state is either
   `POLLING` or `PROCESSING`. This keeps the index much smaller and improves the query performance drastically.
   
   MySQL does not support partial indexes.

   

   svkrieger committed Aug 20, 2024
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