sqlx_postgres/types/
tuple.rs

1use crate::decode::Decode;
2use crate::error::BoxDynError;
3use crate::types::PgRecordDecoder;
4use crate::types::Type;
5use crate::{PgHasArrayType, PgTypeInfo, PgValueRef, Postgres};
6
7macro_rules! impl_type_for_tuple {
8    ($( $idx:ident : $T:ident ),*) => {
9        impl<$($T,)*> Type<Postgres> for ($($T,)*) {
10
11
12            #[inline]
13            fn type_info() -> PgTypeInfo {
14                PgTypeInfo::RECORD
15            }
16        }
17
18        impl<$($T,)*> PgHasArrayType for ($($T,)*) {
19
20
21            #[inline]
22            fn array_type_info() -> PgTypeInfo {
23                PgTypeInfo::RECORD_ARRAY
24            }
25        }
26
27        impl<'r, $($T,)*> Decode<'r, Postgres> for ($($T,)*)
28        where
29            $($T: 'r,)*
30            $($T: Type<Postgres>,)*
31            $($T: for<'a> Decode<'a, Postgres>,)*
32        {
33
34
35            fn decode(value: PgValueRef<'r>) -> Result<Self, BoxDynError> {
36                #[allow(unused)]
37                let mut decoder = PgRecordDecoder::new(value)?;
38
39                $(let $idx: $T = decoder.try_decode()?;)*
40
41                Ok(($($idx,)*))
42            }
43        }
44    };
45}
46
47impl_type_for_tuple!(_1: T1);
48
49impl_type_for_tuple!(_1: T1, _2: T2);
50
51impl_type_for_tuple!(_1: T1, _2: T2, _3: T3);
52
53impl_type_for_tuple!(_1: T1, _2: T2, _3: T3, _4: T4);
54
55impl_type_for_tuple!(_1: T1, _2: T2, _3: T3, _4: T4, _5: T5);
56
57impl_type_for_tuple!(_1: T1, _2: T2, _3: T3, _4: T4, _5: T5, _6: T6);
58
59impl_type_for_tuple!(_1: T1, _2: T2, _3: T3, _4: T4, _5: T5, _6: T6, _7: T7);
60
61impl_type_for_tuple!(
62    _1: T1,
63    _2: T2,
64    _3: T3,
65    _4: T4,
66    _5: T5,
67    _6: T6,
68    _7: T7,
69    _8: T8
70);
71
72impl_type_for_tuple!(
73    _1: T1,
74    _2: T2,
75    _3: T3,
76    _4: T4,
77    _5: T5,
78    _6: T6,
79    _7: T7,
80    _8: T8,
81    _9: T9
82);
sqlx_postgres/types/tuple.rs

sqlx_postgres/types/
tuple.rs
