chore(mysql): provide a trivial conversion from EOF to OK

sqlx-mysql/src/protocol/eof.rs

@@ -2,6 +2,7 @@ use bytes::{Buf, Bytes};
 use sqlx_core::io::Deserialize;
 use sqlx_core::Result;
 
+use super::{Info, OkPacket};
 use crate::protocol::{Capabilities, Status};
 
 #[allow(clippy::module_name_repetitions)]
@@ -29,3 +30,15 @@ impl Deserialize<'_, Capabilities> for EofPacket {
         Ok(Self { status, warnings })
     }
 }
+
+impl From<EofPacket> for OkPacket {
+    fn from(eof: EofPacket) -> Self {
+        Self {
+            affected_rows: 0,
+            info: Info::default(),
+            last_insert_id: 0,
+            status: eof.status,
+            warnings: eof.warnings,
+        }
+    }
+}