Prepare a 2.2.8 release

This commit prepares a 2.2.8 release that includes the following
changes:

* diesel-rs#4472
* diesel-rs#4484
* diesel-rs#4486
* diesel-rs#4480

CHANGELOG.md

@@ -10,6 +10,15 @@ Increasing the minimal supported Rust version will always be coupled at least wi
 
 ## Unreleased
 
+## [2.2.8] 2025-02-21
+
+### Fixed
+
+* Allow `#[diesel(check_for_backend(_))]` to check fields with `#[diesel(embed)]` annotations
+* Adjust a custom compile error message
+* Fix a bug that restricted the number of allowed columns in `COPY FROM` statements to 12
+* Expose some SqliteValue helper functions
+
 ## [2.2.7] 2025-01-31
 
 ### Fixed
@@ -2179,3 +2188,4 @@ queries or set `PIPES_AS_CONCAT` manually.
 [2.2.5]: https://github.com/diesel-rs/diesel/compare/v2.2.4...v2.2.5
 [2.2.6]: https://github.com/diesel-rs/diesel/compare/v2.2.5...v2.2.6
 [2.2.7]: https://github.com/diesel-rs/diesel/compare/v2.2.6...v2.2.7
+[2.2.8]: https://github.com/diesel-rs/diesel/compare/v2.2.7...v2.2.8

diesel/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "diesel"
-version = "2.2.7"
+version = "2.2.8"
 license = "MIT OR Apache-2.0"
 description = "A safe, extensible ORM and Query Builder for PostgreSQL, SQLite, and MySQL"
 readme = "README.md"

diesel/src/sqlite/connection/sqlite_value.rs

@@ -108,7 +108,7 @@ impl<'row, 'stmt, 'query> SqliteValue<'row, 'stmt, 'query> {
     /// If the underlying value is not a string sqlite will convert it
     /// into a string and return that value instead.
     ///
-    /// Use the [`value_type()`] function to determine the actual
+    /// Use the [`value_type()`](Self::value_type()) function to determine the actual
     /// type of the value.
     ///
     /// See <https://www.sqlite.org/c3ref/value_blob.html> for details
@@ -121,7 +121,7 @@ impl<'row, 'stmt, 'query> SqliteValue<'row, 'stmt, 'query> {
     /// If the underlying value is not a blob sqlite will convert it
     /// into a blob and return that value instead.
     ///
-    /// Use the [`value_type()`] function to determine the actual
+    /// Use the [`value_type()`](Self::value_type()) function to determine the actual
     /// type of the value.
     ///
     /// See <https://www.sqlite.org/c3ref/value_blob.html> for details
@@ -148,7 +148,7 @@ impl<'row, 'stmt, 'query> SqliteValue<'row, 'stmt, 'query> {
     /// If the underlying value is not an integer sqlite will convert it
     /// into an integer and return that value instead.
     ///
-    /// Use the [`value_type()`] function to determine the actual
+    /// Use the [`value_type()`](Self::value_type()) function to determine the actual
     /// type of the value.
     ///
     /// See <https://www.sqlite.org/c3ref/value_blob.html> for details
@@ -161,7 +161,7 @@ impl<'row, 'stmt, 'query> SqliteValue<'row, 'stmt, 'query> {
     /// If the underlying value is not a string sqlite will convert it
     /// into a string and return that value instead.
     ///
-    /// Use the [`value_type()`] function to determine the actual
+    /// Use the [`value_type()`](Self::value_type()) function to determine the actual
     /// type of the value.
     ///
     /// See <https://www.sqlite.org/c3ref/value_blob.html> for details
@@ -174,7 +174,7 @@ impl<'row, 'stmt, 'query> SqliteValue<'row, 'stmt, 'query> {
     /// If the underlying value is not a string sqlite will convert it
     /// into a string and return that value instead.
     ///
-    /// Use the [`value_type()`] function to determine the actual
+    /// Use the [`value_type()`](Self::value_type()) function to determine the actual
     /// type of the value.
     ///
     /// See <https://www.sqlite.org/c3ref/value_blob.html> for details
@@ -234,7 +234,7 @@ mod tests {
     use crate::*;
 
     #[expect(clippy::approx_constant)] // we really want to use 3.14
-    #[diesel_test_helper::test]
+    #[test]
     fn can_convert_all_values() {
         let mut conn = SqliteConnection::establish(":memory:").unwrap();
 

diesel_cli/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "diesel_cli"
-version = "2.2.7"
+version = "2.2.8"
 license = "MIT OR Apache-2.0"
 description = "Provides the CLI for the Diesel crate"
 readme = "README.md"

diesel_derives/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "diesel_derives"
-version = "2.2.3"
+version = "2.2.4"
 license = "MIT OR Apache-2.0"
 description = "You should not use this crate directly, it is internal to Diesel."
 documentation = "https://diesel.rs/guides/"