relax lifetime bound of query types (#1142)

postgres/src/driver/codec/encode.rs

@@ -72,13 +72,13 @@ impl<'s> Encode for &'s Statement {
     }
 }
 
-impl<C> sealed::Sealed for StatementCreate<'_, C> {}
+impl<C> sealed::Sealed for StatementCreate<'_, '_, C> {}
 
-impl<'s, C> Encode for StatementCreate<'s, C>
+impl<'c, C> Encode for StatementCreate<'_, 'c, C>
 where
     C: Prepare,
 {
-    type Output = StatementCreateResponse<'s, C>;
+    type Output = StatementCreateResponse<'c, C>;
 
     #[inline]
     fn encode<const SYNC_MODE: bool>(self, buf: &mut BytesMut) -> Result<Self::Output, Error> {
@@ -87,13 +87,13 @@ where
     }
 }
 
-impl<C> sealed::Sealed for StatementCreateBlocking<'_, C> {}
+impl<C> sealed::Sealed for StatementCreateBlocking<'_, '_, C> {}
 
-impl<'s, C> Encode for StatementCreateBlocking<'s, C>
+impl<'c, C> Encode for StatementCreateBlocking<'_, 'c, C>
 where
     C: Prepare,
 {
-    type Output = StatementCreateResponseBlocking<'s, C>;
+    type Output = StatementCreateResponseBlocking<'c, C>;
 
     #[inline]
     fn encode<const SYNC_MODE: bool>(self, buf: &mut BytesMut) -> Result<Self::Output, Error> {
@@ -147,14 +147,14 @@ where
     }
 }
 
-impl<C, P> sealed::Sealed for StatementUnnamedQuery<'_, P, C> {}
+impl<C, P> sealed::Sealed for StatementUnnamedQuery<'_, '_, P, C> {}
 
-impl<'s, C, P> Encode for StatementUnnamedQuery<'s, P, C>
+impl<'c, C, P> Encode for StatementUnnamedQuery<'_, 'c, P, C>
 where
     C: Prepare,
     P: AsParams,
 {
-    type Output = IntoRowStreamGuard<'s, C>;
+    type Output = IntoRowStreamGuard<'c, C>;
 
     #[inline]
     fn encode<const SYNC_MODE: bool>(self, buf: &mut BytesMut) -> Result<Self::Output, Error> {

postgres/src/execute/async_impl.rs

@@ -76,10 +76,9 @@ where
     }
 }
 
-impl<'c, 's, C> Execute<'c, C> for StatementNamed<'s>
+impl<'c, C> Execute<'c, C> for StatementNamed<'_>
 where
     C: Prepare + 'c,
-    's: 'c,
 {
     type ExecuteOutput = ResultFuture<IntoGuardedFuture<'c, C>>;
     type QueryOutput = Self::ExecuteOutput;
@@ -116,11 +115,10 @@ where
     }
 }
 
-impl<'s, 'c, C, P> Execute<'c, C> for StatementUnnamedBind<'s, P>
+impl<'c, C, P> Execute<'c, C> for StatementUnnamedBind<'_, P>
 where
     C: Prepare + 'c,
     P: AsParams,
-    's: 'c,
 {
     type ExecuteOutput = ResultFuture<RowAffected>;
     type QueryOutput = Ready<Result<RowStreamGuarded<'c, C>, Error>>;

postgres/src/execute/sync_impl.rs

@@ -49,10 +49,9 @@ where
     }
 }
 
-impl<'c, 's, C> ExecuteBlocking<'c, C> for StatementNamed<'s>
+impl<'c, C> ExecuteBlocking<'c, C> for StatementNamed<'_>
 where
     C: Prepare + 'c,
-    's: 'c,
 {
     type ExecuteOutput = Result<StatementGuarded<'c, C>, Error>;
     type QueryOutput = Self::ExecuteOutput;
@@ -72,7 +71,7 @@ where
 impl<'s, C, P> ExecuteBlocking<'_, C> for StatementQuery<'s, P>
 where
     C: Query,
-    P: AsParams + 's,
+    P: AsParams,
 {
     type ExecuteOutput = Result<u64, Error>;
     type QueryOutput = Result<RowStream<'s>, Error>;
@@ -89,11 +88,10 @@ where
     }
 }
 
-impl<'s, 'c, C, P> ExecuteBlocking<'c, C> for StatementUnnamedBind<'s, P>
+impl<'c, C, P> ExecuteBlocking<'c, C> for StatementUnnamedBind<'_, P>
 where
     C: Prepare + 'c,
-    P: AsParams + 'c,
-    's: 'c,
+    P: AsParams,
 {
     type ExecuteOutput = Result<u64, Error>;
     type QueryOutput = Result<RowStreamGuarded<'c, C>, Error>;

postgres/src/statement.rs

@@ -195,15 +195,15 @@ impl StatementNamed<'_> {
     }
 }
 
-pub(crate) struct StatementCreate<'a, C> {
+pub(crate) struct StatementCreate<'a, 'c, C> {
     pub(crate) name: String,
     pub(crate) stmt: &'a str,
     pub(crate) types: &'a [Type],
-    pub(crate) cli: &'a C,
+    pub(crate) cli: &'c C,
 }
 
-impl<'a, C> From<(StatementNamed<'a>, &'a C)> for StatementCreate<'a, C> {
-    fn from((stmt, cli): (StatementNamed<'a>, &'a C)) -> Self {
+impl<'a, 'c, C> From<(StatementNamed<'a>, &'c C)> for StatementCreate<'a, 'c, C> {
+    fn from((stmt, cli): (StatementNamed<'a>, &'c C)) -> Self {
         Self {
             name: StatementNamed::name(),
             stmt: stmt.stmt,
@@ -213,15 +213,15 @@ impl<'a, C> From<(StatementNamed<'a>, &'a C)> for StatementCreate<'a, C> {
     }
 }
 
-pub(crate) struct StatementCreateBlocking<'a, C> {
+pub(crate) struct StatementCreateBlocking<'a, 'c, C> {
     pub(crate) name: String,
     pub(crate) stmt: &'a str,
     pub(crate) types: &'a [Type],
-    pub(crate) cli: &'a C,
+    pub(crate) cli: &'c C,
 }
 
-impl<'a, C> From<(StatementNamed<'a>, &'a C)> for StatementCreateBlocking<'a, C> {
-    fn from((stmt, cli): (StatementNamed<'a>, &'a C)) -> Self {
+impl<'a, 'c, C> From<(StatementNamed<'a>, &'c C)> for StatementCreateBlocking<'a, 'c, C> {
+    fn from((stmt, cli): (StatementNamed<'a>, &'c C)) -> Self {
         Self {
             name: StatementNamed::name(),
             stmt: stmt.stmt,
@@ -273,15 +273,15 @@ pub struct StatementUnnamedBind<'a, P> {
     params: P,
 }
 
-pub(crate) struct StatementUnnamedQuery<'a, P, C> {
+pub(crate) struct StatementUnnamedQuery<'a, 'c, P, C> {
     pub(crate) stmt: &'a str,
     pub(crate) types: &'a [Type],
     pub(crate) params: P,
-    pub(crate) cli: &'a C,
+    pub(crate) cli: &'c C,
 }
 
-impl<'a, P, C> From<(StatementUnnamedBind<'a, P>, &'a C)> for StatementUnnamedQuery<'a, P, C> {
-    fn from((bind, cli): (StatementUnnamedBind<'a, P>, &'a C)) -> Self {
+impl<'a, 'c, P, C> From<(StatementUnnamedBind<'a, P>, &'c C)> for StatementUnnamedQuery<'a, 'c, P, C> {
+    fn from((bind, cli): (StatementUnnamedBind<'a, P>, &'c C)) -> Self {
         Self {
             stmt: bind.stmt,
             types: bind.types,