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use crate::any::Any;
use crate::arguments::Arguments;
use crate::encode::Encode;
use crate::types::Type;
#[derive(Default)]
pub struct AnyArguments<'q> {
values: Vec<Box<dyn Encode<'q, Any> + Send + 'q>>,
}
impl<'q> Arguments<'q> for AnyArguments<'q> {
type Database = Any;
fn reserve(&mut self, additional: usize, _size: usize) {
self.values.reserve(additional);
}
fn add<T>(&mut self, value: T)
where
T: 'q + Send + Encode<'q, Self::Database> + Type<Self::Database>,
{
self.values.push(Box::new(value));
}
}
pub struct AnyArgumentBuffer<'q>(pub(crate) AnyArgumentBufferKind<'q>);
pub(crate) enum AnyArgumentBufferKind<'q> {
#[cfg(feature = "postgres")]
Postgres(
crate::postgres::PgArguments,
std::marker::PhantomData<&'q ()>,
),
#[cfg(feature = "mysql")]
MySql(
crate::mysql::MySqlArguments,
std::marker::PhantomData<&'q ()>,
),
#[cfg(feature = "sqlite")]
Sqlite(crate::sqlite::SqliteArguments<'q>),
#[cfg(feature = "mssql")]
Mssql(
crate::mssql::MssqlArguments,
std::marker::PhantomData<&'q ()>,
),
}
#[cfg(feature = "sqlite")]
#[allow(irrefutable_let_patterns)]
impl<'q> From<AnyArguments<'q>> for crate::sqlite::SqliteArguments<'q> {
fn from(args: AnyArguments<'q>) -> Self {
let mut buf = AnyArgumentBuffer(AnyArgumentBufferKind::Sqlite(Default::default()));
for value in args.values {
let _ = value.encode_by_ref(&mut buf);
}
if let AnyArgumentBufferKind::Sqlite(args) = buf.0 {
args
} else {
unreachable!()
}
}
}
#[cfg(feature = "mysql")]
#[allow(irrefutable_let_patterns)]
impl<'q> From<AnyArguments<'q>> for crate::mysql::MySqlArguments {
fn from(args: AnyArguments<'q>) -> Self {
let mut buf = AnyArgumentBuffer(AnyArgumentBufferKind::MySql(
Default::default(),
std::marker::PhantomData,
));
for value in args.values {
let _ = value.encode_by_ref(&mut buf);
}
if let AnyArgumentBufferKind::MySql(args, _) = buf.0 {
args
} else {
unreachable!()
}
}
}
#[cfg(feature = "mssql")]
#[allow(irrefutable_let_patterns)]
impl<'q> From<AnyArguments<'q>> for crate::mssql::MssqlArguments {
fn from(args: AnyArguments<'q>) -> Self {
let mut buf = AnyArgumentBuffer(AnyArgumentBufferKind::Mssql(
Default::default(),
std::marker::PhantomData,
));
for value in args.values {
let _ = value.encode_by_ref(&mut buf);
}
if let AnyArgumentBufferKind::Mssql(args, _) = buf.0 {
args
} else {
unreachable!()
}
}
}
#[cfg(feature = "postgres")]
#[allow(irrefutable_let_patterns)]
impl<'q> From<AnyArguments<'q>> for crate::postgres::PgArguments {
fn from(args: AnyArguments<'q>) -> Self {
let mut buf = AnyArgumentBuffer(AnyArgumentBufferKind::Postgres(
Default::default(),
std::marker::PhantomData,
));
for value in args.values {
let _ = value.encode_by_ref(&mut buf);
}
if let AnyArgumentBufferKind::Postgres(args, _) = buf.0 {
args
} else {
unreachable!()
}
}
}