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use crate::decode::Decode;
use crate::encode::{Encode, IsNull};
use crate::error::BoxDynError;
use crate::postgres::{
PgArgumentBuffer, PgHasArrayType, PgTypeInfo, PgValueFormat, PgValueRef, Postgres,
};
use crate::types::Type;
impl Type<Postgres> for bool {
fn type_info() -> PgTypeInfo {
PgTypeInfo::BOOL
}
}
impl PgHasArrayType for bool {
fn array_type_info() -> PgTypeInfo {
PgTypeInfo::BOOL_ARRAY
}
}
impl Encode<'_, Postgres> for bool {
fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> IsNull {
buf.push(*self as u8);
IsNull::No
}
}
impl Decode<'_, Postgres> for bool {
fn decode(value: PgValueRef<'_>) -> Result<Self, BoxDynError> {
Ok(match value.format() {
PgValueFormat::Binary => value.as_bytes()?[0] != 0,
PgValueFormat::Text => match value.as_str()? {
"t" => true,
"f" => false,
s => {
return Err(format!("unexpected value {:?} for boolean", s).into());
}
},
})
}
}