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use crate::decode::Decode; use crate::encode::{Encode, IsNull}; use crate::error::BoxDynError; use crate::postgres::{PgArgumentBuffer, PgTypeInfo, PgValueFormat, PgValueRef, Postgres}; use crate::types::Type; impl Type<Postgres> for bool { fn type_info() -> PgTypeInfo { PgTypeInfo::BOOL } } impl Type<Postgres> for [bool] { fn type_info() -> PgTypeInfo { PgTypeInfo::BOOL_ARRAY } } impl Type<Postgres> for Vec<bool> { fn type_info() -> PgTypeInfo { <[bool] as Type<Postgres>>::type_info() } } 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()); } }, }) } }