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refactor(webapi)!: avoid u64/i64 usage in types except timestamp

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We do not need that many big numbers yet. This should simplify client
implementation without native u64 (eg. JavaScript).

Also put a hard limit on `unseen_cnt` query.
This commit is contained in:
oxalica 2024-09-21 15:12:17 -04:00
parent ad3e422902
commit a7f31e5fad
3 changed files with 19 additions and 18 deletions
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9
blahd/src/database.rs
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@ -19,6 +19,7 @@ mod tests;
const DEFAULT_DATABASE_PATH: &str = "/var/lib/blahd/db.sqlite";
const STMT_CACHE_CAPACITY: usize = 24;
const UNSEEN_CNT_LIMIT: u32 = 999;
static INIT_SQL: &str = include_str!("../schema.sql");
@ -345,7 +346,6 @@ pub trait TransactionOps {
start_rid: Id,
page_len: usize,
) -> Result<Vec<RoomMetadata>> {
// FIXME: Limit `unseen_cnt` counting.
prepare_cached_and_bind!(
self.conn(),
r"
@ -354,10 +354,13 @@ pub trait TransactionOps {
`cid`, `timestamp`, `nonce`, `sig`, `rich_text`,
`last_author`.`id_key`, `msg`.`act_key`,
`peer_user`.`id_key` AS `peer_id_key`,
(SELECT COUNT(*)
(SELECT COUNT(*) FROM (
SELECT 1
FROM `msg` AS `unseen_msg`
WHERE `unseen_msg`.`rid` = `room`.`rid` AND
`last_seen_cid` < `unseen_msg`.`cid`) AS `unseen_cnt`
`last_seen_cid` < `unseen_msg`.`cid`
LIMIT :UNSEEN_CNT_LIMIT
)) AS `unseen_cnt`
FROM `room_member` INDEXED BY `ix_member_room`
JOIN `room` USING (`rid`)
LEFT JOIN `msg` USING (`rid`)