cdbc_pg/types/
tuple.rs

1use cdbc::decode::Decode;
2use cdbc::error::BoxDynError;
3use crate::types::PgRecordDecoder;
4use crate::{PgHasArrayType, PgTypeInfo, PgValueRef, Postgres};
5use cdbc::types::Type;
6
7macro_rules! impl_type_for_tuple {
8    ($( $idx:ident : $T:ident ),*) => {
9        impl<$($T,)*> Type<Postgres> for ($($T,)*) {
10            #[inline]
11            fn type_info() -> PgTypeInfo {
12                PgTypeInfo::RECORD
13            }
14        }
15
16        impl<$($T,)*> PgHasArrayType for ($($T,)*) {
17            #[inline]
18            fn array_type_info() -> PgTypeInfo {
19                PgTypeInfo::RECORD_ARRAY
20            }
21        }
22
23        impl<'r, $($T,)*> Decode<'r, Postgres> for ($($T,)*)
24        where
25            $($T: 'r,)*
26            $($T: Type<Postgres>,)*
27            $($T: for<'a> Decode<'a, Postgres>,)*
28        {
29            fn decode(value: PgValueRef<'r>) -> Result<Self, BoxDynError> {
30                #[allow(unused)]
31                let mut decoder = PgRecordDecoder::new(value)?;
32
33                $(let $idx: $T = decoder.try_decode()?;)*
34
35                Ok(($($idx,)*))
36            }
37        }
38    };
39}
40
41impl_type_for_tuple!(_1: T1);
42
43impl_type_for_tuple!(_1: T1, _2: T2);
44
45impl_type_for_tuple!(_1: T1, _2: T2, _3: T3);
46
47impl_type_for_tuple!(_1: T1, _2: T2, _3: T3, _4: T4);
48
49impl_type_for_tuple!(_1: T1, _2: T2, _3: T3, _4: T4, _5: T5);
50
51impl_type_for_tuple!(_1: T1, _2: T2, _3: T3, _4: T4, _5: T5, _6: T6);
52
53impl_type_for_tuple!(_1: T1, _2: T2, _3: T3, _4: T4, _5: T5, _6: T6, _7: T7);
54
55impl_type_for_tuple!(
56    _1: T1,
57    _2: T2,
58    _3: T3,
59    _4: T4,
60    _5: T5,
61    _6: T6,
62    _7: T7,
63    _8: T8
64);
65
66impl_type_for_tuple!(
67    _1: T1,
68    _2: T2,
69    _3: T3,
70    _4: T4,
71    _5: T5,
72    _6: T6,
73    _7: T7,
74    _8: T8,
75    _9: T9
76);
cdbc_pg/types/tuple.rs

cdbc_pg/types/
tuple.rs
