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ci: update Rust to 1.80.0

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link2xt
2024-07-26 19:59:11 +00:00
parent b9b9ed197e
commit 3b040fd4b5
9 changed files with 24 additions and 18 deletions
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8
src/sql.rs
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@@ -350,12 +350,12 @@ impl Sql {
///
/// 1. As mentioned above, SQLite's locking mechanism is non-async and sleeps in a loop.
/// 2. If there are other write transactions, we block the db connection until
/// upgraded. If some reader comes then, it has to get the next, less used connection with a
/// worse per-connection page cache (SQLite allows one write and any number of reads in parallel).
/// upgraded. If some reader comes then, it has to get the next, less used connection with a
/// worse per-connection page cache (SQLite allows one write and any number of reads in parallel).
/// 3. If a transaction is blocked for more than `busy_timeout`, it fails with SQLITE_BUSY.
/// 4. If upon a successful upgrade to a write transaction the db has been modified,
/// the transaction has to be rolled back and retried, which means extra work in terms of
/// CPU/battery.
/// the transaction has to be rolled back and retried, which means extra work in terms of
/// CPU/battery.
///
/// The only pro of making write transactions DEFERRED w/o the external locking would be some
/// parallelism between them.