我正在使用Rails 4.2.4和pg_search 1.0.5.
class Advert < ActiveRecord::Base
include PgSearch
multisearchable :against => [:title, :body]
end
我想按:created_at广告记录的日期订购pg_search结果.从逻辑上讲,在我看来,以下可能会工作(:asc):
> @pgs = PgSearch.multisearch('55948189').order(created_at: :asc)
PgSearch::Document Load (136.1ms) SELECT "pg_search_documents".* FROM "pg_search_documents" INNER JOIN (SELECT "pg_search_documents"."id" AS pg_search_id, (ts_rank((to_tsvector('simple', coalesce("pg_search_documents"."content"::text, ''))), (to_tsquery('simple', ''' ' || '55948189' || ' ''')), 0)) AS rank FROM "pg_search_documents" WHERE (((to_tsvector('simple', coalesce("pg_search_documents"."content"::text, ''))) @@ (to_tsquery('simple', ''' ' || '55948189' || ' '''))))) AS pg_search_ce9b9dd18c5c0023f2116f ON "pg_search_documents"."id" = pg_search_ce9b9dd18c5c0023f2116f.pg_search_id ORDER BY pg_search_ce9b9dd18c5c0023f2116f.rank DESC, "pg_search_documents"."id" ASC, "pg_search_documents"."created_at" …