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Code Issues Releases Wiki Activity

Add some better sql comments

pull/10419/head
Eric Eastwood 2021-07-14 01:54:31 -05:00
parent 64aeb7330d
commit ea7c30db88
1 changed files with 8 additions and 5 deletions
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13
synapse/storage/schema/main/delta/61/01insertion_event_lookups.sql
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@ -13,11 +13,8 @@
* limitations under the License. * limitations under the License.
*/ */
-- Add a table that keeps track of "insertion" events back in the history -- Add a table that keeps track of "insertion" events and
-- when we get a "marker" event over the "live" timeline. When navigating the DAG -- their next_chunk_id's so we can navigate to the next chunk of history.
-- and we hit an event which matches `insertion_prev_event_id`, it should backfill
-- the "insertion" event and start navigating from there.
CREATE TABLE IF NOT EXISTS insertion_events( CREATE TABLE IF NOT EXISTS insertion_events(
event_id TEXT NOT NULL, event_id TEXT NOT NULL,
room_id TEXT NOT NULL, room_id TEXT NOT NULL,
@ -29,6 +26,10 @@ CREATE INDEX IF NOT EXISTS insertion_events_insertion_room_id ON insertion_event
CREATE INDEX IF NOT EXISTS insertion_events_event_id ON insertion_events(event_id); CREATE INDEX IF NOT EXISTS insertion_events_event_id ON insertion_events(event_id);
CREATE INDEX IF NOT EXISTS insertion_events_next_chunk_id ON insertion_events(next_chunk_id); CREATE INDEX IF NOT EXISTS insertion_events_next_chunk_id ON insertion_events(next_chunk_id);
-- Add a table that keeps track of all of the events we are inserting between.
-- We use this when navigating the DAG and when we hit an event which matches
-- `insertion_prev_event_id`, it should backfill from the "insertion" event and
-- navigate the historical messages from there.
CREATE TABLE IF NOT EXISTS insertion_event_edges( CREATE TABLE IF NOT EXISTS insertion_event_edges(
event_id TEXT NOT NULL, event_id TEXT NOT NULL,
room_id TEXT NOT NULL, room_id TEXT NOT NULL,
@ -40,6 +41,8 @@ CREATE INDEX IF NOT EXISTS insertion_event_edges_insertion_room_id ON insertion_
CREATE INDEX IF NOT EXISTS insertion_event_edges_event_id ON insertion_event_edges(event_id); CREATE INDEX IF NOT EXISTS insertion_event_edges_event_id ON insertion_event_edges(event_id);
CREATE INDEX IF NOT EXISTS insertion_event_edges_insertion_prev_event_id ON insertion_event_edges(insertion_prev_event_id); CREATE INDEX IF NOT EXISTS insertion_event_edges_insertion_prev_event_id ON insertion_event_edges(insertion_prev_event_id);
-- Add a table that keeps track of how each chunk is labeled. The chunks are
-- connected together based insertion points `next_chunk_id`.
CREATE TABLE IF NOT EXISTS chunk_edges( CREATE TABLE IF NOT EXISTS chunk_edges(
event_id TEXT NOT NULL, event_id TEXT NOT NULL,
room_id TEXT NOT NULL, room_id TEXT NOT NULL,