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Question

Filtering in projection definition?

  • Apr 1, 2020 10:39 PM UTC
  • 1 reply
  • 4 views

DreaBrandford

There is a possibility to have a projection with a filter/ 'where' condition ?
Asked during BDC session The Shortest Path to Vertica - Best Practices for Data Warehouse Migration & ETL
@marcothesane @Maurizio

1 reply

ChuckB
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  • Apr 2, 2020 3:57 PM UTC

No, projection definitions don't support WHERE. But if you sort the data on the WHERE clause, predicates are fast, and it will run as if the other data is not there!