diff --git a/sqlx-core/src/types/bstr.rs b/sqlx-core/src/types/bstr.rs
index db1e8f6e..976357d3 100644
--- a/sqlx-core/src/types/bstr.rs
+++ b/sqlx-core/src/types/bstr.rs
@@ -5,7 +5,7 @@ use crate::encode::{Encode, IsNull};
 use crate::error::BoxDynError;
 use crate::types::Type;
 
-pub use bstr::{BString, ByteSlice};
+pub use bstr::{BString, BStr, ByteSlice};
 
 impl<DB> Type<DB> for BString
 where
@@ -31,12 +31,22 @@ where
     }
 }
 
+impl<'q, DB: Database> Encode<'q, DB> for &'q BStr
+where
+    DB: Database,
+    &'q [u8]: Encode<'q, DB>,
+{
+    fn encode_by_ref(&self, buf: &mut <DB as HasArguments<'q>>::ArgumentBuffer) -> IsNull {
+        <&[u8] as Encode<DB>>::encode(self.as_bytes(), buf)
+    }
+}
+
 impl<'q, DB: Database> Encode<'q, DB> for BString
 where
     DB: Database,
-    [u8]: Encode<'q, DB>,
+    Vec<u8>: Encode<'q, DB>,
 {
     fn encode_by_ref(&self, buf: &mut <DB as HasArguments<'q>>::ArgumentBuffer) -> IsNull {
-        <[u8] as Encode<DB>>::encode_by_ref(self.as_bytes(), buf)
+        <Vec<u8> as Encode<DB>>::encode(self.as_bytes().to_vec(), buf)
     }
 }
diff --git a/sqlx-core/src/types/git2.rs b/sqlx-core/src/types/git2.rs
index f4fd576a..38964103 100644
--- a/sqlx-core/src/types/git2.rs
+++ b/sqlx-core/src/types/git2.rs
@@ -34,9 +34,9 @@ where
 impl<'q, DB: Database> Encode<'q, DB> for Oid
 where
     DB: Database,
-    [u8]: Encode<'q, DB>,
+    Vec<u8>: Encode<'q, DB>,
 {
     fn encode_by_ref(&self, buf: &mut <DB as HasArguments<'q>>::ArgumentBuffer) -> IsNull {
-        <[u8] as Encode<DB>>::encode_by_ref(self.as_bytes(), buf)
+        <Vec<u8> as Encode<DB>>::encode(self.as_bytes().to_vec(), buf)
     }
 }
diff --git a/sqlx-core/src/types/mod.rs b/sqlx-core/src/types/mod.rs
index 76c49fb1..cf1e3563 100644
--- a/sqlx-core/src/types/mod.rs
+++ b/sqlx-core/src/types/mod.rs
@@ -22,11 +22,11 @@ use crate::database::Database;
 
 #[cfg(feature = "bstr")]
 #[cfg_attr(docsrs, doc(cfg(feature = "bstr")))]
-mod bstr;
+pub mod bstr;
 
 #[cfg(feature = "git2")]
 #[cfg_attr(docsrs, doc(cfg(feature = "git2")))]
-mod git2;
+pub mod git2;
 
 #[cfg(feature = "json")]
 #[cfg_attr(docsrs, doc(cfg(feature = "json")))]