[GitHub] [carbondata] Indhumathi27 commented on pull request #4076: [CARBONDATA-4107] Added mvExists property for MV fact table and added lock while touchMDTFile

Posted by GitBox on Jan 18, 2021; 12:46pm
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/GitHub-carbondata-Indhumathi27-opened-a-new-pull-request-4076-WIP-Added-mvExists-property-in-MV-facte-tp105379p105440.html


Indhumathi27 commented on pull request #4076:
URL: https://github.com/apache/carbondata/pull/4076#issuecomment-762229135


   > @Indhumathi27 if the number of mv tables is less than 10 (configurable), maybe we can list all tables; if-else we can store database information only.
   
   actually, here we are reading MV schemas. Mv schemas for a fact table can be present in any db (join scenarios).. so, we need to know the database also. So, we have to store Database_Name.MV_Name in fact table, which can increase fact table size. Still, you want to store mv tables in fact table?


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