Origin for each line in rsstg.sql from check-in 21d16a0993:

61df933942 2020-11-18    1: create table rsstg_updates (owner integer, update jsonb);
61df933942 2020-11-18    2: 
61df933942 2020-11-18    3: create unique index rsstg_updates__id on rsstg_updates(update->>'update_id');
61df933942 2020-11-18    4: 
61df933942 2020-11-18    5: -- create table rsstg_users (id integer);
61df933942 2020-11-18    6: create table rsstg_channel (
61df933942 2020-11-18    7: 	channel_id bigint primary key,
61df933942 2020-11-18    8: 	username text);
61df933942 2020-11-18    9: create unique index rsstg_channel__username on rsstg_channel(username);
61df933942 2020-11-18   10: 
61df933942 2020-11-18   11: create table rsstg_source (
61df933942 2020-11-18   12: 	source_id serial,
61df933942 2020-11-18   13: 	channel_id integer not null,
61df933942 2020-11-18   14: 	url text not null,
61df933942 2020-11-18   15: 	last_fetch timestamptz,
61df933942 2020-11-18   16: 	last_scrape timestamptz default now(),
61df933942 2020-11-18   17: 	enabled boolean default false,
61df933942 2020-11-18   18: 	iv_hash text,
61df933942 2020-11-18   19: 	owner bigint not null);
61df933942 2020-11-18   20: create unique index rsstg_source__source_id on rsstg_source(source_id);
61df933942 2020-11-18   21: create unique index rsstg_source__channel_id__owner on rsstg_source(channel_id, owner);
61df933942 2020-11-18   22: create index rsstg_source__owner on rsstg_source(owner);
61df933942 2020-11-18   23: 
61df933942 2020-11-18   24: create table rsstg_post (
61df933942 2020-11-18   25: 	source_id integer not null,
61df933942 2020-11-18   26: 	date int not null,
61df933942 2020-11-18   27: 	url text not null,
61df933942 2020-11-18   28: 	hour smallint generated always as (extract('hour' from  posted)) stored,
61df933942 2020-11-18   29: 	FOREIGN KEY (source_id) REFERENCES rsstg_source(source_id)
61df933942 2020-11-18   30: );
61df933942 2020-11-18   31: create unique index rsstg_post__url on rsstg_post(url);
61df933942 2020-11-18   32: create index rsstg_post__hour on rsstg_post(hour);
0191d490fe 2020-11-18   33: create index rsstg_post__posted_hour on rsstg_post(posted,hour);
61df933942 2020-11-18   34: 
61df933942 2020-11-18   35: create or replace view rsstg_order as
21d16a0993 2020-11-18   36: 	select source_id, coalesce(last_scrape + make_interval(0,0,0,0,0,(60 / (coalesce(activity, 1)/7 + 1) )::integer), now() - interval '1 minute') as next_fetch
61df933942 2020-11-18   37: 		from rsstg_source natural left join
61df933942 2020-11-18   38: 		(select source_id, count(*) as activity
61df933942 2020-11-18   39: 			from rsstg_post where 
61df933942 2020-11-18   40: 				hour = extract('hour' from now())
0191d490fe 2020-11-18   41: 				and posted > now() - interval '7 days'
61df933942 2020-11-18   42: 			group by source_id) as act
61df933942 2020-11-18   43: 		where enabled
61df933942 2020-11-18   44: 		order by next_fetch;