Re: Index of expression over table row or column - Mailing list pgsql-docs

Hi, thanks both for the reply.

> The description for pg_index.indkey uses the phrasing “an expression over the table columns” and this should be made
tomatch.
 

Thanks David for showing me that existing documentation, I agree we should make them match.

Regarding Tom’s reply, IMHO, “LOWER(last_name || ' ' || first_name)” is still an expression over table columns? Would
youlike to elaborate on it a bit?
 

Regards, Steve.