remove DecodeOwned

sqlx-core/src/decode.rs

@@ -10,14 +10,3 @@ where
 {
     fn decode(value: <DB as HasRawValue<'de>>::RawValue) -> crate::Result<DB, Self>;
 }
-
-/// A type that can be decoded without borrowing from the connection.
-pub trait DecodeOwned<DB: Database>: for<'de> Decode<'de, DB> {}
-
-impl<DB, T> DecodeOwned<DB> for T
-where
-    DB: Database,
-    T: 'static,
-    T: for<'de> Decode<'de, DB>,
-{
-}

sqlx-core/src/postgres/types/array.rs

@@ -1,7 +1,7 @@
 //! Encoding and decoding of Postgres arrays.
 
 use crate::database::Database;
-use crate::decode::{Decode, DecodeOwned};
+use crate::decode::Decode;
 use crate::encode::Encode;
 use crate::postgres::database::Postgres;
 use crate::postgres::types::raw::{PgArrayDecoder, PgArrayEncoder};
@@ -37,7 +37,7 @@ where
 impl<'de, T> Decode<'de, Postgres> for Vec<T>
 where
     T: 'de,
-    T: DecodeOwned<Postgres>,
+    T: for<'arr> Decode<'arr, Postgres>,
     [T]: Type<Postgres>,
     T: Type<Postgres>,
 {

sqlx-core/src/postgres/types/raw/array.rs

@@ -1,4 +1,4 @@
-use crate::decode::DecodeOwned;
+use crate::decode::Decode;
 use crate::encode::{Encode, IsNull};
 use crate::io::{Buf, BufMut};
 use crate::postgres::types::raw::sequence::PgSequenceDecoder;
@@ -91,7 +91,7 @@ pub(crate) struct PgArrayDecoder<'de, T> {
 
 impl<'de, T> PgArrayDecoder<'de, T>
 where
-    T: DecodeOwned<Postgres>,
+    T: for<'arr> Decode<'arr, Postgres>,
     T: Type<Postgres>,
 {
     pub(crate) fn new(value: Option<PgValue<'de>>) -> crate::Result<Postgres, Self> {
@@ -157,8 +157,7 @@ where
 
 impl<'de, T> Iterator for PgArrayDecoder<'de, T>
 where
-    T: 'de,
+    T: for<'arr> Decode<'arr, Postgres>,
-    T: DecodeOwned<Postgres>,
     T: Type<Postgres>,
 {
     type Item = crate::Result<Postgres, T>;

sqlx-core/src/postgres/types/raw/record.rs

@@ -1,4 +1,4 @@
-use crate::decode::DecodeOwned;
+use crate::decode::Decode;
 use crate::encode::{Encode, IsNull};
 use crate::io::Buf;
 use crate::postgres::types::raw::sequence::PgSequenceDecoder;
@@ -78,7 +78,7 @@ impl<'de> PgRecordDecoder<'de> {
     #[inline]
     pub fn decode<T>(&mut self) -> crate::Result<Postgres, T>
     where
-        T: DecodeOwned<Postgres>,
+        T: for<'rec> Decode<'rec, Postgres>,
         T: Type<Postgres>,
     {
         self.0

sqlx-core/src/postgres/types/raw/sequence.rs

@@ -1,4 +1,4 @@
-use crate::decode::DecodeOwned;
+use crate::decode::Decode;
 use crate::io::Buf;
 use crate::postgres::{PgValue, Postgres};
 use crate::types::Type;
@@ -37,7 +37,7 @@ impl<'de> PgSequenceDecoder<'de> {
 
     pub(crate) fn decode<T>(&mut self) -> crate::Result<Postgres, Option<T>>
     where
-        T: DecodeOwned<Postgres>,
+        T: for<'seq> Decode<'seq, Postgres>,
         T: Type<Postgres>,
     {
         match self.value {

sqlx-core/src/postgres/types/record.rs

@@ -1,4 +1,4 @@
-use crate::decode::{Decode, DecodeOwned};
+use crate::decode::Decode;
 use crate::postgres::protocol::TypeId;
 use crate::postgres::row::PgValue;
 use crate::postgres::types::raw::PgRecordDecoder;
@@ -40,7 +40,7 @@ macro_rules! impl_pg_record_for_tuple {
         where
             $($T: 'de,)+
             $($T: Type<Postgres>,)+
-            $($T: DecodeOwned<Postgres>,)+
+            $($T: for<'tup> Decode<'tup, Postgres>,)+
         {
             fn decode(value: Option<PgValue<'de>>) -> crate::Result<Postgres, Self> {
                 let mut decoder = PgRecordDecoder::new(value)?;

sqlx-core/src/runtime.rs

@@ -1,3 +1,5 @@
+#![allow(unused_imports)]
+
 #[cfg(not(any(feature = "runtime-tokio", feature = "runtime-async-std")))]
 compile_error!("one of 'runtime-async-std' or 'runtime-tokio' features must be enabled");