sqlx_postgres/types/
bool.rs1use crate::decode::Decode;
2use crate::encode::{Encode, IsNull};
3use crate::error::BoxDynError;
4use crate::types::Type;
5use crate::{PgArgumentBuffer, PgHasArrayType, PgTypeInfo, PgValueFormat, PgValueRef, Postgres};
6
7impl Type<Postgres> for bool {
8 fn type_info() -> PgTypeInfo {
9 PgTypeInfo::BOOL
10 }
11}
12
13impl PgHasArrayType for bool {
14 fn array_type_info() -> PgTypeInfo {
15 PgTypeInfo::BOOL_ARRAY
16 }
17}
18
19impl Encode<'_, Postgres> for bool {
20 fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> Result<IsNull, BoxDynError> {
21 buf.push(*self as u8);
22
23 Ok(IsNull::No)
24 }
25}
26
27impl Decode<'_, Postgres> for bool {
28 fn decode(value: PgValueRef<'_>) -> Result<Self, BoxDynError> {
29 Ok(match value.format() {
30 PgValueFormat::Binary => value.as_bytes()?[0] != 0,
31
32 PgValueFormat::Text => match value.as_str()? {
33 "t" => true,
34 "f" => false,
35
36 s => {
37 return Err(format!("unexpected value {s:?} for boolean").into());
38 }
39 },
40 })
41 }
42}