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refactor(database)!: decouple SQLs from backend logic and cache stmts

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This decouples SQLs from handler logic, makes it easier for auditing and
caching. It also enables the possibility to switch or support multiple
database backends.
This commit is contained in:
oxalica 2024-09-21 07:28:41 -04:00
parent b955d32099
commit fafd2de2e3
11 changed files with 769 additions and 669 deletions
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18
blahd/schema.sql
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@ -17,12 +17,6 @@ CREATE TABLE IF NOT EXISTS `user_act_key` (
PRIMARY KEY (`uid`, `act_key`)
) STRICT, WITHOUT ROWID;
CREATE VIEW IF NOT EXISTS `valid_user_act_key` AS
SELECT `act_key`, `user`.*
FROM `user_act_key`
JOIN `user` USING (`uid`)
WHERE unixepoch() < `expire_time`;
-- The highest bit of `rid` will be set for peer chat room.
-- So simply comparing it against 0 can filter them out.
CREATE TABLE IF NOT EXISTS `room` (
@ -43,6 +37,10 @@ CREATE UNIQUE INDEX IF NOT EXISTS `ix_peer_chat` ON `room`
(`peer1`, `peer2`)
WHERE `rid` < 0;
-- RoomAttrs::PUBLIC_READABLE
CREATE INDEX IF NOT EXISTS `ix_public_room` ON `room` (`rid`)
WHERE `attrs` & 1 != 0;
CREATE TABLE IF NOT EXISTS `room_member` (
`rid` INTEGER NOT NULL REFERENCES `room` ON DELETE CASCADE,
`uid` INTEGER NOT NULL REFERENCES `user` ON DELETE RESTRICT,
@ -68,3 +66,11 @@ CREATE TABLE IF NOT EXISTS `msg` (
) STRICT;
CREATE INDEX IF NOT EXISTS `room_latest_msg` ON `msg` (`rid` ASC, `cid` DESC);
-- Temporary views.
CREATE TEMP VIEW `valid_user_act_key` AS
SELECT `act_key`, `user`.*
FROM `user_act_key`
JOIN `user` USING (`uid`)
WHERE unixepoch() < `expire_time`;