sqlx_postgres/types/
str.rs

1use crate::decode::Decode;
2use crate::encode::{Encode, IsNull};
3use crate::error::BoxDynError;
4use crate::types::array_compatible;
5use crate::types::Type;
6use crate::{PgArgumentBuffer, PgHasArrayType, PgTypeInfo, PgValueRef, Postgres};
7use std::borrow::Cow;
8use std::rc::Rc;
9use std::sync::Arc;
10
11impl Type<Postgres> for str {
12    fn type_info() -> PgTypeInfo {
13        PgTypeInfo::TEXT
14    }
15
16    fn compatible(ty: &PgTypeInfo) -> bool {
17        [
18            PgTypeInfo::TEXT,
19            PgTypeInfo::NAME,
20            PgTypeInfo::BPCHAR,
21            PgTypeInfo::VARCHAR,
22            PgTypeInfo::UNKNOWN,
23            PgTypeInfo::with_name("citext"),
24        ]
25        .contains(ty)
26    }
27}
28
29impl Type<Postgres> for String {
30    fn type_info() -> PgTypeInfo {
31        <&str as Type<Postgres>>::type_info()
32    }
33
34    fn compatible(ty: &PgTypeInfo) -> bool {
35        <&str as Type<Postgres>>::compatible(ty)
36    }
37}
38
39impl PgHasArrayType for &'_ str {
40    fn array_type_info() -> PgTypeInfo {
41        PgTypeInfo::TEXT_ARRAY
42    }
43
44    fn array_compatible(ty: &PgTypeInfo) -> bool {
45        array_compatible::<&str>(ty)
46    }
47}
48
49impl PgHasArrayType for Cow<'_, str> {
50    fn array_type_info() -> PgTypeInfo {
51        <&str as PgHasArrayType>::array_type_info()
52    }
53
54    fn array_compatible(ty: &PgTypeInfo) -> bool {
55        <&str as PgHasArrayType>::array_compatible(ty)
56    }
57}
58
59impl PgHasArrayType for Box<str> {
60    fn array_type_info() -> PgTypeInfo {
61        <&str as PgHasArrayType>::array_type_info()
62    }
63
64    fn array_compatible(ty: &PgTypeInfo) -> bool {
65        <&str as PgHasArrayType>::array_compatible(ty)
66    }
67}
68
69impl PgHasArrayType for String {
70    fn array_type_info() -> PgTypeInfo {
71        <&str as PgHasArrayType>::array_type_info()
72    }
73
74    fn array_compatible(ty: &PgTypeInfo) -> bool {
75        <&str as PgHasArrayType>::array_compatible(ty)
76    }
77}
78
79impl Encode<'_, Postgres> for &'_ str {
80    fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> Result<IsNull, BoxDynError> {
81        buf.extend(self.as_bytes());
82
83        Ok(IsNull::No)
84    }
85}
86
87impl<'r> Decode<'r, Postgres> for &'r str {
88    fn decode(value: PgValueRef<'r>) -> Result<Self, BoxDynError> {
89        value.as_str()
90    }
91}
92
93impl Decode<'_, Postgres> for String {
94    fn decode(value: PgValueRef<'_>) -> Result<Self, BoxDynError> {
95        Ok(value.as_str()?.to_owned())
96    }
97}
98
99forward_encode_impl!(Arc<str>, &str, Postgres);
100forward_encode_impl!(Rc<str>, &str, Postgres);
101forward_encode_impl!(Cow<'_, str>, &str, Postgres);
102forward_encode_impl!(Box<str>, &str, Postgres);
103forward_encode_impl!(String, &str, Postgres);
sqlx_postgres/types/str.rs

sqlx_postgres/types/
str.rs
