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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 [u8] {
fn type_info() -> PgTypeInfo {
PgTypeInfo::BYTEA
}
}
impl Type<Postgres> for Vec<u8> {
fn type_info() -> PgTypeInfo {
<[u8] as Type<Postgres>>::type_info()
}
}
impl Type<Postgres> for [&'_ [u8]] {
fn type_info() -> PgTypeInfo {
PgTypeInfo::BYTEA_ARRAY
}
}
impl Type<Postgres> for [Vec<u8>] {
fn type_info() -> PgTypeInfo {
<[&[u8]] as Type<Postgres>>::type_info()
}
}
impl Type<Postgres> for Vec<&'_ [u8]> {
fn type_info() -> PgTypeInfo {
<[&[u8]] as Type<Postgres>>::type_info()
}
}
impl Type<Postgres> for Vec<Vec<u8>> {
fn type_info() -> PgTypeInfo {
<[&[u8]] as Type<Postgres>>::type_info()
}
}
impl Encode<'_, Postgres> for &'_ [u8] {
fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> IsNull {
buf.extend_from_slice(self);
IsNull::No
}
}
impl Encode<'_, Postgres> for Vec<u8> {
fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> IsNull {
<&[u8] as Encode<Postgres>>::encode(self, buf)
}
}
impl<'r> Decode<'r, Postgres> for &'r [u8] {
fn decode(value: PgValueRef<'r>) -> Result<Self, BoxDynError> {
match value.format() {
PgValueFormat::Binary => value.as_bytes(),
PgValueFormat::Text => {
Err("unsupported decode to `&[u8]` of BYTEA in a simple query; use a prepared query or decode to `Vec<u8>`".into())
}
}
}
}
impl Decode<'_, Postgres> for Vec<u8> {
fn decode(value: PgValueRef<'_>) -> Result<Self, BoxDynError> {
Ok(match value.format() {
PgValueFormat::Binary => value.as_bytes()?.to_owned(),
PgValueFormat::Text => {
hex::decode(&value.as_str()?[2..])?
}
})
}
}