Question about creating tsvector column or not
rudibroekhuizen opened this issue · 2 comments
rudibroekhuizen commented
Hi, I get really great results using a rum index searching our datasets at naturalis.nl, thanks for your great work!
I have question. In this presentation: https://www.postgresql.eu/events/pgconfeu2018/sessions/session/2116/slides/137/pgconf.eu-2018-fts.pdf it states "no need tsvector column". Can you provide an example command to create a rum index without first creating a tsvector column? Thanks!
obartunov commented
On Wed, Oct 30, 2019 at 2:15 PM Rudi Broekhuizen ***@***.***> wrote:
Hi, I get really great results using a rum index searching our datasets at
naturalis.nl, thanks for your great work!
I have question. In this presentation:
https://www.postgresql.eu/events/pgconfeu2018/sessions/session/2116/slides/137/pgconf.eu-2018-fts.pdf
it states "no need tsvector column". Can you provide an example command to
create a rum index without first creating a tsvector column? Thanks!
You mean slide #75 (see attached) ?
Index can be created without tsvector column for any kind of indexes, but
only RUM index preserves the coordinates to calculate ranks.
Example: create index .... using rum (to_tsvector(.....) ....);
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rudibroekhuizen commented
Ok, thanks for your answer, I will try that!