Von: Efi
Is there any difference performance wise between the FILTER version and the CASE WHEN version?
View ArticleVon: David Fetter
Clarity and speed. The planner knows about FILTER, so it has what it needs to make it faster.
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Von: Slava Moudry
Thanks! This is really great. David, can you elaborate a bit on planner optimizations for FILTER. Would it use data stats on columns or can it pull data using index-only scan?
View ArticleVon: David Fetter
Check the git commit logs for FILTER. The initial mechanics of the optimization are there.
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