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use byteorder::{BigEndian, ByteOrder};
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 f32 {
fn type_info() -> PgTypeInfo {
PgTypeInfo::FLOAT4
}
}
impl Type<Postgres> for [f32] {
fn type_info() -> PgTypeInfo {
PgTypeInfo::FLOAT4_ARRAY
}
}
impl Type<Postgres> for Vec<f32> {
fn type_info() -> PgTypeInfo {
<[f32] as Type<Postgres>>::type_info()
}
}
impl Encode<'_, Postgres> for f32 {
fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> IsNull {
buf.extend(&self.to_be_bytes());
IsNull::No
}
}
impl Decode<'_, Postgres> for f32 {
fn decode(value: PgValueRef<'_>) -> Result<Self, BoxDynError> {
Ok(match value.format() {
PgValueFormat::Binary => BigEndian::read_f32(value.as_bytes()?),
PgValueFormat::Text => value.as_str()?.parse()?,
})
}
}
impl Type<Postgres> for f64 {
fn type_info() -> PgTypeInfo {
PgTypeInfo::FLOAT8
}
}
impl Type<Postgres> for [f64] {
fn type_info() -> PgTypeInfo {
PgTypeInfo::FLOAT8_ARRAY
}
}
impl Type<Postgres> for Vec<f64> {
fn type_info() -> PgTypeInfo {
<[f64] as Type<Postgres>>::type_info()
}
}
impl Encode<'_, Postgres> for f64 {
fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> IsNull {
buf.extend(&self.to_be_bytes());
IsNull::No
}
}
impl Decode<'_, Postgres> for f64 {
fn decode(value: PgValueRef<'_>) -> Result<Self, BoxDynError> {
Ok(match value.format() {
PgValueFormat::Binary => BigEndian::read_f64(value.as_bytes()?),
PgValueFormat::Text => value.as_str()?.parse()?,
})
}
}