create table instagram
(
	id varchar(256) not null
		constraint instagram_pk
			primary key,
	lastpost varchar(256) default '' not null,
	ctime timestamp with time zone default current_timestamp not null,
	mtime timestamp with time zone default current_timestamp not null
);

create table line_ig_rt
(
	line varchar(100) not null
		constraint line_ig_rt_line_group_id_fk
			references line_group
				on delete cascade,
	ig varchar(256) not null
		constraint line_ig_rt_instagram_id_fk
			references instagram
				on delete cascade,
	tmpl varchar(512) default '' not null,
	constraint line_ig_rt_pk
		primary key (line, ig)
);