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uint.rs
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99 lines (81 loc) · 2.71 KB
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use crate::arguments::SqliteArgumentsBuffer;
use crate::decode::Decode;
use crate::encode::{Encode, IsNull};
use crate::error::BoxDynError;
use crate::type_info::DataType;
use crate::types::Type;
use crate::{Sqlite, SqliteArgumentValue, SqliteTypeInfo, SqliteValueRef};
impl Type<Sqlite> for u8 {
fn type_info() -> SqliteTypeInfo {
SqliteTypeInfo(DataType::Int4)
}
fn compatible(ty: &SqliteTypeInfo) -> bool {
matches!(ty.0, DataType::Int4 | DataType::Integer)
}
}
impl Encode<'_, Sqlite> for u8 {
fn encode_by_ref(&self, args: &mut SqliteArgumentsBuffer) -> Result<IsNull, BoxDynError> {
args.push(SqliteArgumentValue::Int(*self as i32));
Ok(IsNull::No)
}
}
impl<'r> Decode<'r, Sqlite> for u8 {
fn decode(value: SqliteValueRef<'r>) -> Result<Self, BoxDynError> {
// NOTE: using `sqlite3_value_int64()` here because `sqlite3_value_int()` silently truncates
// which leads to bugs, e.g.:
// https://github.com/launchbadge/sqlx/issues/3179
// Similar bug in Postgres: https://github.com/launchbadge/sqlx/issues/3161
Ok(value.int64()?.try_into()?)
}
}
impl Type<Sqlite> for u16 {
fn type_info() -> SqliteTypeInfo {
SqliteTypeInfo(DataType::Int4)
}
fn compatible(ty: &SqliteTypeInfo) -> bool {
matches!(ty.0, DataType::Int4 | DataType::Integer)
}
}
impl Encode<'_, Sqlite> for u16 {
fn encode_by_ref(&self, args: &mut SqliteArgumentsBuffer) -> Result<IsNull, BoxDynError> {
args.push(SqliteArgumentValue::Int(*self as i32));
Ok(IsNull::No)
}
}
impl<'r> Decode<'r, Sqlite> for u16 {
fn decode(value: SqliteValueRef<'r>) -> Result<Self, BoxDynError> {
Ok(value.int64()?.try_into()?)
}
}
impl Type<Sqlite> for u32 {
fn type_info() -> SqliteTypeInfo {
SqliteTypeInfo(DataType::Integer)
}
fn compatible(ty: &SqliteTypeInfo) -> bool {
matches!(ty.0, DataType::Int4 | DataType::Integer)
}
}
impl Encode<'_, Sqlite> for u32 {
fn encode_by_ref(&self, args: &mut SqliteArgumentsBuffer) -> Result<IsNull, BoxDynError> {
args.push(SqliteArgumentValue::Int64(*self as i64));
Ok(IsNull::No)
}
}
impl<'r> Decode<'r, Sqlite> for u32 {
fn decode(value: SqliteValueRef<'r>) -> Result<Self, BoxDynError> {
Ok(value.int64()?.try_into()?)
}
}
impl Type<Sqlite> for u64 {
fn type_info() -> SqliteTypeInfo {
SqliteTypeInfo(DataType::Integer)
}
fn compatible(ty: &SqliteTypeInfo) -> bool {
matches!(ty.0, DataType::Int4 | DataType::Integer)
}
}
impl<'r> Decode<'r, Sqlite> for u64 {
fn decode(value: SqliteValueRef<'r>) -> Result<Self, BoxDynError> {
Ok(value.int64()?.try_into()?)
}
}