error: #[postgres(transparent)] may only be applied to single field tuple structs
 --> src/compile-fail/invalid-transparent.rs:4:1
  |
4 | / #[postgres(transparent)]
5 | | struct ToSqlTransparentStruct {
6 | |     a: i32
7 | | }
  | |_^

error: #[postgres(transparent)] may only be applied to single field tuple structs
  --> src/compile-fail/invalid-transparent.rs:10:1
   |
10 | / #[postgres(transparent)]
11 | | struct FromSqlTransparentStruct {
12 | |     a: i32
13 | | }
   | |_^

error: #[postgres(transparent)] may only be applied to single field tuple structs
  --> src/compile-fail/invalid-transparent.rs:16:1
   |
16 | / #[postgres(transparent)]
17 | | enum ToSqlTransparentEnum {
18 | |     Foo
19 | | }
   | |_^

error: #[postgres(transparent)] may only be applied to single field tuple structs
  --> src/compile-fail/invalid-transparent.rs:22:1
   |
22 | / #[postgres(transparent)]
23 | | enum FromSqlTransparentEnum {
24 | |     Foo
25 | | }
   | |_^

error: #[postgres(transparent)] may only be applied to single field tuple structs
  --> src/compile-fail/invalid-transparent.rs:28:1
   |
28 | / #[postgres(transparent)]
29 | | struct ToSqlTransparentTwoFieldTupleStruct(i32, i32);
   | |_____________________________________________________^

error: #[postgres(transparent)] may only be applied to single field tuple structs
  --> src/compile-fail/invalid-transparent.rs:32:1
   |
32 | / #[postgres(transparent)]
33 | | struct FromSqlTransparentTwoFieldTupleStruct(i32, i32);
   | |_______________________________________________________^