feat(core): lift Send bound for arguments to Arguments::add

Execute already required Send so this just makes it fail earlier

sqlx-core/src/arguments.rs

@@ -15,7 +15,7 @@ pub trait Arguments<'q>: Send + Sized + Default {
     /// Add the value to the end of the arguments.
     fn add<T>(&mut self, value: T)
     where
-        T: 'q + Encode<'q, Self::Database> + Type<Self::Database>;
+        T: 'q + Send + Encode<'q, Self::Database> + Type<Self::Database>;
 }
 
 pub trait IntoArguments<'q, DB: HasArguments<'q>>: Sized + Send {

sqlx-core/src/query.rs

@@ -58,7 +58,7 @@ impl<'q, DB: Database> Query<'q, DB, <DB as HasArguments<'q>>::Arguments> {
     ///
     /// There is no validation that the value is of the type expected by the query. Most SQL
     /// flavors will perform type coercion (Postgres will return a database error).
-    pub fn bind<T: 'q + Encode<'q, DB> + Type<DB>>(mut self, value: T) -> Self {
+    pub fn bind<T: 'q + Send + Encode<'q, DB> + Type<DB>>(mut self, value: T) -> Self {
         if let Some(arguments) = &mut self.arguments {
             arguments.add(value);
         }

sqlx-core/src/query_as.rs

@@ -41,7 +41,7 @@ impl<'q, DB: Database, O> QueryAs<'q, DB, O, <DB as HasArguments<'q>>::Arguments
     /// Bind a value for use with this SQL query.
     ///
     /// See [`Query::bind`](crate::query::Query::bind).
-    pub fn bind<T: 'q + Encode<'q, DB> + Type<DB>>(mut self, value: T) -> Self {
+    pub fn bind<T: 'q + Send + Encode<'q, DB> + Type<DB>>(mut self, value: T) -> Self {
         self.inner = self.inner.bind(value);
         self
     }

sqlx-core/src/query_scalar.rs

@@ -37,7 +37,7 @@ impl<'q, DB: Database, O> QueryScalar<'q, DB, O, <DB as HasArguments<'q>>::Argum
     /// Bind a value for use with this SQL query.
     ///
     /// See [`Query::bind`](crate::query::Query::bind).
-    pub fn bind<T: 'q + Encode<'q, DB> + Type<DB>>(mut self, value: T) -> Self {
+    pub fn bind<T: 'q + Send + Encode<'q, DB> + Type<DB>>(mut self, value: T) -> Self {
         self.inner = self.inner.bind(value);
         self
     }