add preupdate_hook feature to README

This commit is contained in:
Austin Schey 2024-03-30 11:03:09 -05:00
parent fb50d45bdf
commit 64bb1e861f

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@ -123,6 +123,7 @@ features](https://doc.rust-lang.org/cargo/reference/manifest.html#the-features-s
- As the name implies this depends on the `bundled-sqlcipher` feature, and automatically turns it on.
- If turned on, this uses the [`openssl-sys`](https://crates.io/crates/openssl-sys) crate, with the `vendored` feature enabled in order to build and bundle the OpenSSL crypto library.
* `hooks` for [Commit, Rollback](http://sqlite.org/c3ref/commit_hook.html) and [Data Change](http://sqlite.org/c3ref/update_hook.html) notification callbacks.
* `preupdate_hook` for [preupdate](https://sqlite.org/c3ref/preupdate_count.html) notification callbacks. (Implies `hooks`.)
* `unlock_notify` for [Unlock](https://sqlite.org/unlock_notify.html) notification.
* `vtab` for [virtual table](https://sqlite.org/vtab.html) support (allows you to write virtual table implementations in Rust). Currently, only read-only virtual tables are supported.
* `series` exposes [`generate_series(...)`](https://www.sqlite.org/series.html) Table-Valued Function. (Implies `vtab`.)