pg_search를 사용하여 관련 모델을 검색하려고 합니다.검색을 실행하면 "PG::Error:" 오류가 발생합니다.오류:열 plan.name이 존재하지 않습니다.""계획" 모델에서 검색을 실행 중이며 "장소"와 "이름" 열의 연결을 검색하려고 합니다.이들을 연결하는 has_many :through 모델은 다형성입니다.어떻게 든 SQL 쿼리가 두 가지를 결합하고 오류가 발생합니다.나는 Associated_against 마이그레이션(rails g pg_search:migration:associated_against)을 실행하고 문서를 샅샅이 뒤져 오류가 있는 다른 사람들을 찾았지만 아무 것도 나오지 않았습니다. 내가 뭔가를 간과하고 있는 것임에 틀림없습니다.plan.rb에서 Associated_against 행만 제거하면 (더 광범위한 검색 결과 없이) 올바르게 실행됩니다.어떤 도움이라도 주시면 감사하겠습니다!
계획.rb:
class Plan < ActiveRecord::Base
belongs_to :user
has_many :plan_places, :dependent => :destroy
has_many :places, through: :plan_places, source: :plan
include PgSearch
pg_search_scope :search, :against => [:title, :summary],
associated_against: { places: [:name, :address]},
using: {tsearch: {dictionary: "english"}},
ignoring: :accents
def self.text_query(query)
if query.present?
search(query)
else
scoped
end
end
end
장소.rb:
class Place < ActiveRecord::Base
has_many :plan_places, as: :sortable #polymorphic -- could this be the issue??
has_many :plans, through: :plan_places
include PgSearch
multisearchable :against => [:name, :address]
pg_search_scope :search, against: [:name, :address],
using: {tsearch: {dictionary: "english"}},
ignoring: :accents
def self.text_query(query)
if query.present?
search(query)
else
scoped
end
end
end
제어 장치:
def index
query = params[:query]
@plans = Plan.text_query(query)
end
전체 오류 메시지:
PG::Error: ERROR: column plans.name does not exist
LINE 1: ...OUTER JOIN (SELECT "plans"."id" AS id, string_agg("plans"."n...
^
: SELECT "plans".*, ((ts_rank((to_tsvector('english', unaccent(coalesce("plans"."title"::text, ''))) || to_tsvector('english', unaccent(coalesce("plans"."summary"::text, ''))) || to_tsvector('english', unaccent(coalesce(pg_search_ef8b0c36567cc241900c73.pg_search_1d546fcf34c118d2a7b8f6::text, ''))) || to_tsvector('english', unaccent(coalesce(pg_search_ef8b0c36567cc241900c73.pg_search_f3147101e01c522d780049::text, '')))), (to_tsquery('english', ''' ' || unaccent('giraffe') || ' ''')), 0))) AS pg_search_rank FROM "plans" LEFT OUTER JOIN (SELECT "plans"."id" AS id, string_agg("plans"."name"::text, ' ') AS pg_search_1d546fcf34c118d2a7b8f6, string_agg("plans"."address"::text, ' ') AS pg_search_f3147101e01c522d780049 FROM "plans" INNER JOIN "plan_places" ON "plan_places"."plan_id" = "plans"."id" INNER JOIN "plans" "places_plans" ON "places_plans"."id" = "plan_places"."plan_id" GROUP BY "plans"."id") pg_search_ef8b0c36567cc241900c73 ON pg_search_ef8b0c36567cc241900c73.id = "plans"."id" WHERE (((to_tsvector('english', unaccent(coalesce("plans"."title"::text, ''))) || to_tsvector('english', unaccent(coalesce("plans"."summary"::text, ''))) || to_tsvector('english', unaccent(coalesce(pg_search_ef8b0c36567cc241900c73.pg_search_1d546fcf34c118d2a7b8f6::text, ''))) || to_tsvector('english', unaccent(coalesce(pg_search_ef8b0c36567cc241900c73.pg_search_f3147101e01c522d780049::text, '')))) @@ (to_tsquery('english', ''' ' || unaccent('giraffe') || ' ''')))) ORDER BY pg_search_rank DESC, "plans"."id" ASC, created_at DESC