larrry wrote > Hi, > > I would like to create a GIN index on a set of JSON documents. Right now > I'm storing the data in a JSONB column. The current index looks like this: > > CREATE INDEX document_payload_idx > ON document > USING gin > (payload jsonb_path_ops); > > The index is pretty small, but the actual data takes up a *lot* of space. > Is there a way to get Postgres to index the table *as if* the JSON were > there, but not actually put the data in the table? I could either store > the > docs elsewhere and keep a reference, or compress them and put them in the > table in compressed form as a blob. > > Thanks much for your help. > > Larry No idea if this works but maybe you can store the compressed data and then write the index expression like: USING gin (unzip(payload) jsonb_path_ops) The unzip function would need to be custom I think... David J. -- View this message in context: http://postgresql.1045698.n5.nabble.com/Is-it-possible-to-create-an-index-without-keeping-the-indexed-data-in-a-column-tp5813461p5813500.html Sent from the PostgreSQL - general mailing list archive at Nabble.com.
