Ivan Voras <ivoras@xxxxxxxxxxx> writes: > I have a table with the following structure: > ... > raw_data | citext | not null > ... > "documents_raw_data_trgm" gin (raw_data gin_trgm_ops) > I'd like to use pg_trgm for matching substrings case-insensitively, but > it doesn't seem to use the index: You're outsmarting yourself by using citext as the column datatype. That causes "ilike" to be interpreted as a citext-specific operator, which is not a member of the gin_trgm_ops operator class, so it doesn't match this index. I wonder whether we really need that citext-specific operator at all ... but in the meantime, if you need the column to be citext for some other reason, I'd suggest making a gin index on raw_data::text and then writing the query as raw_data::text ilike '%zagreb%'. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
