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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, PgHasArrayType, PgTypeInfo, PgValueFormat, PgValueRef, Postgres,
};
use crate::types::Type;
impl Type<Postgres> for i8 {
fn type_info() -> PgTypeInfo {
PgTypeInfo::CHAR
}
}
impl PgHasArrayType for i8 {
fn array_type_info() -> PgTypeInfo {
PgTypeInfo::CHAR_ARRAY
}
}
impl Encode<'_, Postgres> for i8 {
fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> IsNull {
buf.extend(&self.to_be_bytes());
IsNull::No
}
}
impl Decode<'_, Postgres> for i8 {
fn decode(value: PgValueRef<'_>) -> Result<Self, BoxDynError> {
Ok(value.as_bytes()?.get(0).copied().unwrap_or_default() as i8)
}
}
impl Type<Postgres> for i16 {
fn type_info() -> PgTypeInfo {
PgTypeInfo::INT2
}
}
impl PgHasArrayType for i16 {
fn array_type_info() -> PgTypeInfo {
PgTypeInfo::INT2_ARRAY
}
}
impl Encode<'_, Postgres> for i16 {
fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> IsNull {
buf.extend(&self.to_be_bytes());
IsNull::No
}
}
impl Decode<'_, Postgres> for i16 {
fn decode(value: PgValueRef<'_>) -> Result<Self, BoxDynError> {
Ok(match value.format() {
PgValueFormat::Binary => BigEndian::read_i16(value.as_bytes()?),
PgValueFormat::Text => value.as_str()?.parse()?,
})
}
}
impl Type<Postgres> for i32 {
fn type_info() -> PgTypeInfo {
PgTypeInfo::INT4
}
}
impl PgHasArrayType for i32 {
fn array_type_info() -> PgTypeInfo {
PgTypeInfo::INT4_ARRAY
}
}
impl Encode<'_, Postgres> for i32 {
fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> IsNull {
buf.extend(&self.to_be_bytes());
IsNull::No
}
}
impl Decode<'_, Postgres> for i32 {
fn decode(value: PgValueRef<'_>) -> Result<Self, BoxDynError> {
Ok(match value.format() {
PgValueFormat::Binary => BigEndian::read_i32(value.as_bytes()?),
PgValueFormat::Text => value.as_str()?.parse()?,
})
}
}
impl Type<Postgres> for i64 {
fn type_info() -> PgTypeInfo {
PgTypeInfo::INT8
}
}
impl PgHasArrayType for i64 {
fn array_type_info() -> PgTypeInfo {
PgTypeInfo::INT8_ARRAY
}
}
impl Encode<'_, Postgres> for i64 {
fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> IsNull {
buf.extend(&self.to_be_bytes());
IsNull::No
}
}
impl Decode<'_, Postgres> for i64 {
fn decode(value: PgValueRef<'_>) -> Result<Self, BoxDynError> {
Ok(match value.format() {
PgValueFormat::Binary => BigEndian::read_i64(value.as_bytes()?),
PgValueFormat::Text => value.as_str()?.parse()?,
})
}
}