DROP FOREIGN TABLE public.dataset_es;
CREATE FOREIGN TABLE public.dataset_es
(
    id bigint NOT NULL,
    title character varying(255),
    status integer,
    category character varying(255),
    description text,
    download_times bigint,
    license character varying(255),
    task character varying(255),
    release_id bigint,
    user_id bigint,
    repo_id bigint,
    created_unix bigint,
    updated_unix bigint,
    file_name text
)SERVER multicorn_es
OPTIONS
    (
        host '192.168.207.94',
        port '9200',
        index 'user_es-index',
        rowid_column 'id',
        default_sort '_id'
    )
;
DELETE FROM public.dataset_es;
 INSERT INTO public.dataset_es(
	    id, 
        title, 
        status, 
        category, 
        description, 
        download_times, 
        license, task, 
        release_id, 
        user_id, 
        repo_id, 
        created_unix, 
        updated_unix,file_name)
	    SELECT 
        id, 
        title, 
        status, 
        category, 
        description, 
        download_times, 
        license, 
        task, 
        release_id, 
        user_id, 
        repo_id, 
        created_unix, 
        updated_unix,(select array_to_string(array_agg(name order by created_unix desc),',') from public.attachment a where a.dataset_id=b.id)
        FROM public.dataset b;

CREATE OR REPLACE FUNCTION public.insert_dataset_data() RETURNS trigger AS 
$def$
    BEGIN
        INSERT INTO public.dataset_es(
	    id, 
        title, 
        status, 
        category, 
        description, 
        download_times, 
        license, task, 
        release_id, 
        user_id, 
        repo_id, 
        created_unix, 
        updated_unix)
	    VALUES (
        NEW.id, 
        NEW.title, 
        NEW.status, 
        NEW.category, 
        NEW.description, 
        NEW.download_times, 
        NEW.license, 
        NEW.task, 
        NEW.release_id, 
        NEW.user_id, 
        NEW.repo_id, 
        NEW.created_unix, 
        NEW.updated_unix
        );
 RETURN NEW;
    END;
$def$ 
LANGUAGE plpgsql;

DROP TRIGGER  IF EXISTS es_insert_dataset on public.dataset;

CREATE TRIGGER es_insert_dataset
    AFTER INSERT ON public.dataset
    FOR EACH ROW EXECUTE PROCEDURE insert_dataset_data();


CREATE OR REPLACE FUNCTION public.udpate_dataset_file_name_delete() RETURNS trigger AS 
$def$
    BEGIN
	   update public.dataset_es  SET file_name=(select array_to_string(array_agg(name order by created_unix desc),',') from public.attachment where dataset_id=OLD.dataset_id) where id=OLD.dataset_id;
       return NEW;
    END;
$def$ 
LANGUAGE plpgsql;

DROP TRIGGER IF EXISTS es_udpate_dataset_file_name_delete on public.attachment;
CREATE TRIGGER es_udpate_dataset_file_name_delete
    AFTER DELETE ON public.attachment
    FOR EACH ROW EXECUTE PROCEDURE udpate_dataset_file_name_delete();


CREATE OR REPLACE FUNCTION public.update_dataset() RETURNS trigger AS 
$def$
    BEGIN
	   UPDATE public.dataset_es 
       SET description=NEW.description, 
       title=NEW.title,
       category=NEW.category,
       file_name=(select array_to_string(array_agg(name order by created_unix desc),',') from public.attachment where dataset_id=NEW.id)
       where id=NEW.id;
       return new;
    END
$def$ 
LANGUAGE plpgsql;

DROP TRIGGER  IF EXISTS es_update_dataset on public.dataset;

CREATE TRIGGER es_update_dataset
    AFTER UPDATE  ON public.dataset
    FOR EACH ROW EXECUTE PROCEDURE update_dataset();


CREATE OR REPLACE FUNCTION public.delete_dataset() RETURNS trigger AS 
$def$
    declare
    BEGIN
	   DELETE FROM public.dataset_es  where id=OLD.id;
       return new;
    END
$def$ 
LANGUAGE plpgsql;

DROP TRIGGER IF EXISTS es_delete_dataset on public.dataset;
CREATE TRIGGER es_delete_dataset
    AFTER DELETE ON public.dataset
    FOR EACH ROW EXECUTE PROCEDURE delete_dataset();