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bytes.rs
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bytes.rs
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use std::borrow::Cow;
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::Blob)
}
fn compatible(ty: &SqliteTypeInfo) -> bool {
matches!(ty.0, DataType::Blob | DataType::Text)
}
}
impl<'q> Encode<'q, Sqlite> for &'q [u8] {
fn encode_by_ref(&self, args: &mut Vec<SqliteArgumentValue<'q>>) -> IsNull {
args.push(SqliteArgumentValue::Blob(Cow::Borrowed(self)));
IsNull::No
}
}
impl<'r> Decode<'r, Sqlite> for &'r [u8] {
fn decode(value: SqliteValueRef<'r>) -> Result<Self, BoxDynError> {
Ok(value.blob())
}
}
impl Type<Sqlite> for Box<[u8]> {
fn type_info() -> SqliteTypeInfo {
<&[u8] as Type<Sqlite>>::type_info()
}
fn compatible(ty: &SqliteTypeInfo) -> bool {
<&[u8] as Type<Sqlite>>::compatible(ty)
}
}
impl Encode<'_, Sqlite> for Box<[u8]> {
fn encode(self, args: &mut Vec<SqliteArgumentValue<'_>>) -> IsNull {
args.push(SqliteArgumentValue::Blob(Cow::Owned(self.into_vec())));
IsNull::No
}
fn encode_by_ref(&self, args: &mut Vec<SqliteArgumentValue<'_>>) -> IsNull {
args.push(SqliteArgumentValue::Blob(Cow::Owned(self.clone().into_vec())));
IsNull::No
}
}
impl Decode<'_, Sqlite> for Box<[u8]> {
fn decode(value: SqliteValueRef<'_>) -> Result<Self, BoxDynError> {
Ok(Box::from(value.blob()))
}
}
impl Type<Sqlite> for Vec<u8> {
fn type_info() -> SqliteTypeInfo {
<&[u8] as Type<Sqlite>>::type_info()
}
fn compatible(ty: &SqliteTypeInfo) -> bool {
<&[u8] as Type<Sqlite>>::compatible(ty)
}
}
impl<'q> Encode<'q, Sqlite> for Vec<u8> {
fn encode(self, args: &mut Vec<SqliteArgumentValue<'q>>) -> IsNull {
args.push(SqliteArgumentValue::Blob(Cow::Owned(self)));
IsNull::No
}
fn encode_by_ref(&self, args: &mut Vec<SqliteArgumentValue<'q>>) -> IsNull {
args.push(SqliteArgumentValue::Blob(Cow::Owned(self.clone())));
IsNull::No
}
}
impl<'r> Decode<'r, Sqlite> for Vec<u8> {
fn decode(value: SqliteValueRef<'r>) -> Result<Self, BoxDynError> {
Ok(value.blob().to_owned())
}
}