sqlx_mysql/types/
bool.rs

1use crate::decode::Decode;
2use crate::encode::{Encode, IsNull};
3use crate::error::BoxDynError;
4use crate::types::Type;
5use crate::{
6    protocol::text::{ColumnFlags, ColumnType},
7    MySql, MySqlTypeInfo, MySqlValueRef,
8};
9
10impl Type<MySql> for bool {
11    fn type_info() -> MySqlTypeInfo {
12        // MySQL has no actual `BOOLEAN` type, the type is an alias of `TINYINT(1)`
13        MySqlTypeInfo {
14            flags: ColumnFlags::BINARY | ColumnFlags::UNSIGNED,
15            max_size: Some(1),
16            r#type: ColumnType::Tiny,
17        }
18    }
19
20    fn compatible(ty: &MySqlTypeInfo) -> bool {
21        matches!(
22            ty.r#type,
23            ColumnType::Tiny
24                | ColumnType::Short
25                | ColumnType::Long
26                | ColumnType::Int24
27                | ColumnType::LongLong
28                | ColumnType::Bit
29        )
30    }
31}
32
33impl Encode<'_, MySql> for bool {
34    fn encode_by_ref(&self, buf: &mut Vec<u8>) -> Result<IsNull, BoxDynError> {
35        <i8 as Encode<MySql>>::encode(*self as i8, buf)
36    }
37}
38
39impl Decode<'_, MySql> for bool {
40    fn decode(value: MySqlValueRef<'_>) -> Result<Self, BoxDynError> {
41        Ok(<i8 as Decode<MySql>>::decode(value)? != 0)
42    }
43}
sqlx_mysql/types/bool.rs

sqlx_mysql/types/
bool.rs
