jam-cloud/db/up/sms_index_optimize.sql

-- check that the music_sessions does not currently have an active_music_sessions
CREATE OR REPLACE FUNCTION sms_index (my_user_id VARCHAR, my_locidispid BIGINT, my_audio_latency INTEGER, session_id VARCHAR, include_pending BOOLEAN DEFAULT FALSE) RETURNS VOID STRICT VOLATILE AS $$
  BEGIN
    -- output table to hold tagged music sessions with latency
    CREATE TEMPORARY TABLE sms_music_session_tmp (music_session_id VARCHAR(64) NOT NULL, tag INTEGER, latency INTEGER) ON COMMIT DROP;

    IF session_id = 'any' THEN
      -- populate sms_music_session_tmp as all music sessions
      -- XXX: we should pass in enough info to match pagination/query to reduce the impact of this step
      INSERT INTO sms_music_session_tmp SELECT DISTINCT id, NULL::INTEGER AS tag, NULL::INTEGER AS latency
        FROM music_sessions
        WHERE  (scheduled_start IS NULL OR scheduled_start > (NOW() - (interval '15 minute')))
        AND canceled = FALSE AND description != 'Jam Track Session'
        AND id NOT IN (SELECT id FROM active_music_sessions);

      -- tag accepted rsvp as 1
      UPDATE sms_music_session_tmp q SET tag = 1 FROM rsvp_slots s, rsvp_requests_rsvp_slots rrs, rsvp_requests r WHERE
        q.music_session_id = s.music_session_id AND
        s.id = rrs.rsvp_slot_id AND
        rrs.rsvp_request_id = r.id AND
        r.user_id = my_user_id AND
        rrs.chosen = TRUE AND
        q.tag is NULL;

      -- tag invitation as 2
      UPDATE sms_music_session_tmp q SET tag = 2 FROM invitations i WHERE
        q.music_session_id = i.music_session_id AND
        i.receiver_id = my_user_id AND
        q.tag IS NULL;

      -- musician access as 3
      UPDATE sms_music_session_tmp q SET tag = 3 FROM music_sessions m WHERE
        q.music_session_id = m.id AND
        m.open_rsvps = TRUE AND
        q.tag IS NULL;

      -- delete anything not tagged
      DELETE FROM sms_music_session_tmp WHERE tag IS NULL;

    ELSE
      INSERT INTO sms_music_session_tmp SELECT DISTINCT id, NULL::INTEGER AS tag, NULL::INTEGER AS latency
        FROM music_sessions
        WHERE  music_sessions.id = session_id;
    END IF;

    -- output table to hold users involved in the sms_music_session_tmp sessions and their latency
    CREATE TEMPORARY TABLE sms_users_tmp (music_session_id VARCHAR(64), user_id VARCHAR(64) NOT NULL, full_score INTEGER, audio_latency INTEGER, internet_score INTEGER) ON COMMIT DROP;

    IF my_audio_latency > -1 THEN

      IF include_pending THEN
        -- populate sms_users_tmp with users that have an approved RSVP for sessions in the sms_music_session_tmp table, accompanied with full latency and music session
        INSERT INTO sms_users_tmp SELECT DISTINCT q.music_session_id, users.id, s.full_score AS full_score, s.a_audio_latency, s.score
        FROM sms_music_session_tmp q
        INNER JOIN rsvp_slots               ON rsvp_slots.music_session_id = q.music_session_id
        INNER JOIN rsvp_requests_rsvp_slots ON rsvp_requests_rsvp_slots.rsvp_slot_id = rsvp_slots.id
        INNER JOIN rsvp_requests            ON rsvp_requests.id = rsvp_requests_rsvp_slots.rsvp_request_id
        INNER JOIN users                    ON rsvp_requests.user_id = users.id
        LEFT OUTER JOIN current_scores s    ON s.a_userid = users.id
        WHERE
          s.b_userid = my_user_id;

        -- populate sms_users_tmp with invited users for session in the sms_music_session_tmp table, accompanied with full latency and music session
        -- specify NULL for music_session_id, because we don't want RSVP users to affect the AVG computed for each session later
        INSERT INTO sms_users_tmp SELECT NULL, users.id, s.full_score AS full_score, s.a_audio_latency, s.score
        FROM sms_music_session_tmp q
        INNER JOIN invitations              ON invitations.music_session_id = q.music_session_id
        INNER JOIN users                    ON invitations.receiver_id = users.id
        LEFT OUTER JOIN current_scores s    ON s.a_userid = users.id
        WHERE
          s.b_userid = my_user_id AND
          users.id NOT IN (SELECT user_id FROM sms_users_tmp);
      ELSE
        -- populate sms_users_tmp with users that have an approved RSVP for sessions in the sms_music_session_tmp table, accompanied with full latency and music session
        INSERT INTO sms_users_tmp SELECT DISTINCT q.music_session_id, users.id, s.full_score AS full_score, s.a_audio_latency, s.score
        FROM sms_music_session_tmp q
        INNER JOIN rsvp_slots               ON rsvp_slots.music_session_id = q.music_session_id
        INNER JOIN rsvp_requests_rsvp_slots ON rsvp_requests_rsvp_slots.rsvp_slot_id = rsvp_slots.id
        INNER JOIN rsvp_requests            ON rsvp_requests.id = rsvp_requests_rsvp_slots.rsvp_request_id
        INNER JOIN users                    ON rsvp_requests.user_id = users.id
        LEFT OUTER JOIN current_scores s    ON s.a_userid = users.id
        WHERE
          s.b_userid = my_user_id AND
          rsvp_requests_rsvp_slots.chosen = TRUE AND
          rsvp_requests.canceled != TRUE;
      END IF;
    END IF;

    -- calculate the average latency
    UPDATE sms_music_session_tmp q SET latency = (select AVG(u.full_score) FROM sms_users_tmp u WHERE
      q.music_session_id = u.music_session_id);

    RETURN;
  END;
$$ LANGUAGE plpgsql;

-- check that the music_sessions does not currently have an active_music_sessions
CREATE OR REPLACE FUNCTION sms_index_test (my_user_id VARCHAR, my_locidispid BIGINT, my_audio_latency INTEGER, session_id VARCHAR, include_pending BOOLEAN DEFAULT FALSE) RETURNS VOID STRICT VOLATILE AS $$
  BEGIN
    -- output table to hold tagged music sessions with latency
    CREATE TEMPORARY TABLE sms_music_session_tmp (music_session_id VARCHAR(64) NOT NULL, tag INTEGER, latency INTEGER) ON COMMIT DROP;

    IF session_id = 'any' THEN
      -- populate sms_music_session_tmp as all music sessions
      -- XXX: we should pass in enough info to match pagination/query to reduce the impact of this step
      INSERT INTO sms_music_session_tmp SELECT DISTINCT id, NULL::INTEGER AS tag, NULL::INTEGER AS latency
        FROM music_sessions
        WHERE  (scheduled_start IS NULL OR scheduled_start > (NOW() - (interval '15 minute')))
        AND canceled = FALSE AND description != 'Jam Track Session'
        AND id NOT IN (SELECT id FROM active_music_sessions) ;

      -- tag accepted rsvp as 1
      UPDATE sms_music_session_tmp q SET tag = 1 FROM rsvp_slots s, rsvp_requests_rsvp_slots rrs, rsvp_requests r WHERE
        q.music_session_id = s.music_session_id AND
        s.id = rrs.rsvp_slot_id AND
        rrs.rsvp_request_id = r.id AND
        r.user_id = my_user_id AND
        rrs.chosen = TRUE AND
        q.tag is NULL;

      -- tag invitation as 2
      UPDATE sms_music_session_tmp q SET tag = 2 FROM invitations i WHERE
        q.music_session_id = i.music_session_id AND
        i.receiver_id = my_user_id AND
        q.tag IS NULL;

      -- musician access as 3
      UPDATE sms_music_session_tmp q SET tag = 3 FROM music_sessions m WHERE
        q.music_session_id = m.id AND
        m.open_rsvps = TRUE AND
        q.tag IS NULL;

      -- delete anything not tagged
      DELETE FROM sms_music_session_tmp WHERE tag IS NULL;

    ELSE
      INSERT INTO sms_music_session_tmp SELECT DISTINCT id, NULL::INTEGER AS tag, NULL::INTEGER AS latency
        FROM music_sessions
        WHERE  music_sessions.id = session_id;
    END IF;

    -- output table to hold users involved in the sms_music_session_tmp sessions and their latency
    CREATE TEMPORARY TABLE sms_users_tmp (music_session_id VARCHAR(64), user_id VARCHAR(64) NOT NULL, full_score INTEGER, audio_latency INTEGER, internet_score INTEGER) ON COMMIT DROP;

    IF my_audio_latency > -1 THEN

      IF include_pending THEN
        -- populate sms_users_tmp with users that have an approved RSVP for sessions in the sms_music_session_tmp table, accompanied with full latency and music session
        INSERT INTO sms_users_tmp SELECT DISTINCT q.music_session_id, users.id, CAST(NULL AS INTEGER), CAST(NULL AS INTEGER), CAST(NULL AS INTEGER)
        FROM sms_music_session_tmp q
        INNER JOIN rsvp_slots               ON rsvp_slots.music_session_id = q.music_session_id
        INNER JOIN rsvp_requests_rsvp_slots ON rsvp_requests_rsvp_slots.rsvp_slot_id = rsvp_slots.id
        INNER JOIN rsvp_requests            ON rsvp_requests.id = rsvp_requests_rsvp_slots.rsvp_request_id
        INNER JOIN users                    ON rsvp_requests.user_id = users.id;

        -- populate sms_users_tmp with invited users for session in the sms_music_session_tmp table, accompanied with full latency and music session
        -- specify NULL for music_session_id, because we don't want RSVP users to affect the AVG computed for each session later
        INSERT INTO sms_users_tmp SELECT NULL, users.id, CAST(NULL AS INTEGER), CAST(NULL AS INTEGER), CAST(NULL AS INTEGER)
        FROM sms_music_session_tmp q
        INNER JOIN invitations              ON invitations.music_session_id = q.music_session_id
        INNER JOIN users                    ON invitations.receiver_id = users.id
        WHERE
          users.id NOT IN (SELECT user_id FROM sms_users_tmp);
      ELSE
        -- populate sms_users_tmp with users that have an approved RSVP for sessions in the sms_music_session_tmp table, accompanied with full latency and music session
        INSERT INTO sms_users_tmp SELECT DISTINCT q.music_session_id, users.id, CAST(NULL AS INTEGER), CAST(NULL AS INTEGER), CAST(NULL AS INTEGER)
        FROM sms_music_session_tmp q
        INNER JOIN rsvp_slots               ON rsvp_slots.music_session_id = q.music_session_id
        INNER JOIN rsvp_requests_rsvp_slots ON rsvp_requests_rsvp_slots.rsvp_slot_id = rsvp_slots.id
        INNER JOIN rsvp_requests            ON rsvp_requests.id = rsvp_requests_rsvp_slots.rsvp_request_id
        INNER JOIN users                    ON rsvp_requests.user_id = users.id
        WHERE
          rsvp_requests_rsvp_slots.chosen = TRUE AND
          rsvp_requests.canceled != TRUE;
      END IF;
    END IF;

    -- calculate the average latency
    --UPDATE sms_music_session_tmp q SET latency = (select AVG(u.full_score) FROM sms_users_tmp u WHERE
    --  q.music_session_id = u.music_session_id);

    RETURN;
  END;
$$ LANGUAGE plpgsql;

-- XXXX TODO: TURN THESE ON AFTER PRODUCTION IS UPDATED
-- CREATE INDEX index_rsvp_requests_rsvp_slots_on_rsvp_request_id ON rsvp_requests_rsvp_slots USING btree(rsvp_request_id);
-- CREATE INDEX index_rsvp_requests_rsvp_slots_on_rsvp_slot_id ON rsvp_requests_rsvp_slots USING btree(rsvp_slot_id);
-- CREATE INDEX index_rsvp_requests_rsvp_slots_on_chosen ON rsvp_requests_rsvp_slots USING btree(chosen);
-- CREATE INDEX index_rsvp_slots_on_music_session_id ON rsvp_slots USING btree(music_session_id);
-- CREATE INDEX index_rsvp_requests_user_id ON rsvp_requests USING btree(user_id);
-- CREATE INDEX index_rsvp_requests_canceled ON rsvp_requests USING btree(canceled);
-- CREATE INDEX index_invitations_on_receiver_id ON invitations USING btree(receiver_id);
-- CREATE INDEX index_invitations_on_music_session_id ON invitations USING btree(music_session_id);
-- select sms_index_test('062deeba-b917-46e2-bfa3-e829405ca602'::varchar, 26880045373::bigint, 18.911563873291::integer, 'any'::varchar, false::boolean)

-- CREATE INDEX index_affiliate_traffic_totals_on_day ON affiliate_traffic_totals USING btree(day);
-- CREATE INDEX index_affiliate_traffic_totals_on_affiliate_partner_id ON affiliate_traffic_totals USING btree(affiliate_partner_id);
-- CREATE INDEX index_users_on_affiliate_referral_id ON users USING btree(affiliate_referral_id);
-- CREATE INDEX index_users_on_created_at ON users USING btree(created_at);
-- CREATE INDEX index_share_tokens_on_shareable_id ON share_tokens USING btree(shareable_id);
-- CREATE INDEX index_music_sessions_on_create_type ON music_sessions USING btree(create_type);
-- CREATE INDEX index_music_sessions_on_scheduled_start ON music_sessions USING btree(scheduled_start);
-- CREATE INDEX index_music_sessions_on_canceled ON music_sessions USING btree(canceled);
-- CREATE INDEX index_music_sessions_on_session_removed_at ON music_sessions USING btree(session_removed_at);
-- CREATE INDEX index_music_sessions_on_started_at ON music_sessions USING btree(started_at);


-- update music_sessions set canceled = true WHERE (scheduled_start IS NULL OR scheduled_start > (NOW() - (interval '15 minute'))) AND canceled = FALSE AND description != 'Jam Track Session' AND id NOT IN (SELECT id FROM active_music_sessions) AND id NOT IN (select distinct on(name, user_id) id FROM music_sessions WHERE  (scheduled_start IS NULL OR scheduled_start > (NOW() - (interval '15 minute'))) AND canceled = FALSE AND description != 'Jam Track Session' AND id NOT IN (SELECT id FROM active_music_sessions) order by name, user_id);



-- select distinct on(name, user_id) name, description, scheduled_start FROM music_sessions WHERE  (scheduled_start IS NULL OR scheduled_start > (NOW() - (interval '15 minute'))) AND canceled = FALSE AND description != 'Jam Track Session' AND id NOT IN (SELECT id FROM active_music_sessions) order by name, user_id;

-- get count
-- SELECT count(id) FROM music_sessions WHERE  (scheduled_start IS NULL OR scheduled_start > (NOW() - (interval '15 minute'))) AND canceled = FALSE AND description != 'Jam Track Session' AND id NOT IN (SELECT id FROM active_music_sessions)


SELECT distinct music_sessions.* FROM "music_sessions" LEFT OUTER JOIN
              rsvp_slots
            ON
              music_sessions.id = rsvp_slots.music_session_id AND (music_sessions.canceled = FALSE)

            LEFT OUTER JOIN
              rsvp_requests_rsvp_slots
            ON
              rsvp_requests_rsvp_slots.rsvp_slot_id = rsvp_slots.id
            LEFT OUTER JOIN
              rsvp_requests
            ON rsvp_requests.id = rsvp_requests_rsvp_slots.rsvp_request_id
            LEFT OUTER JOIN
              invitations
            ON
              music_sessions.id = invitations.music_session_id AND invitations.receiver_id = 'aedab51a-14cd-46d1-9828-29eadddd1f53'


              WHERE
              (music_sessions.scheduled_start IS NULL OR (music_sessions.scheduled_start > NOW() - '12 hour'::INTERVAL AND music_sessions.started_at IS NULL) OR (music_sessions.session_removed_at > NOW() - '2 hour'::INTERVAL) OR (music_sessions.started_at IS NOT NULL AND music_sessions.session_removed_at IS NULL)) AND (music_sessions.create_type IS NULL OR (music_sessions.create_type != 'quick-start' AND music_sessions.create_type != 'quick-public')) AND
              ((rsvp_requests.id IS NOT NULL AND rsvp_requests_rsvp_slots.id IS NOT NULL AND rsvp_requests.user_id = 'aedab51a-14cd-46d1-9828-29eadddd1f53' AND rsvp_requests_rsvp_slots.chosen = true) OR (invitations.id IS NOT NULL) OR (music_sessions.user_id = 'aedab51a-14cd-46d1-9828-29eadddd1f53') )   ORDER BY music_sessions.scheduled_start ASC;