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macro_rules! not_none {
($bytes:expr) => {
match $bytes {
Some(bytes) => bytes,
None => return Err(Box::new($crate::types::impls::option::UnexpectedNullError {
msg: "Unexpected null for non-null column".to_string(),
})),
}
}
}
#[doc(hidden)]
#[macro_export]
macro_rules! expression_impls {
($($Source:ident -> $Target:ty),+,) => {
$(
impl<'a> $crate::expression::AsExpression<$crate::types::$Source> for $Target {
type Expression = $crate::expression::bound::Bound<$crate::types::$Source, Self>;
fn as_expression(self) -> Self::Expression {
$crate::expression::bound::Bound::new(self)
}
}
impl<'a, 'expr> $crate::expression::AsExpression<$crate::types::$Source> for &'expr $Target {
type Expression = $crate::expression::bound::Bound<$crate::types::$Source, Self>;
fn as_expression(self) -> Self::Expression {
$crate::expression::bound::Bound::new(self)
}
}
impl<'a> $crate::expression::AsExpression<$crate::types::Nullable<$crate::types::$Source>> for $Target {
type Expression = $crate::expression::bound::Bound<$crate::types::Nullable<$crate::types::$Source>, Self>;
fn as_expression(self) -> Self::Expression {
$crate::expression::bound::Bound::new(self)
}
}
impl<'a, 'expr> $crate::expression::AsExpression<$crate::types::Nullable<$crate::types::$Source>> for &'expr $Target {
type Expression = $crate::expression::bound::Bound<$crate::types::Nullable<$crate::types::$Source>, Self>;
fn as_expression(self) -> Self::Expression {
$crate::expression::bound::Bound::new(self)
}
}
impl<'a, DB> $crate::types::ToSql<$crate::types::Nullable<$crate::types::$Source>, DB> for $Target where
DB: $crate::backend::Backend + $crate::types::HasSqlType<$crate::types::$Source>,
$Target: $crate::types::ToSql<$crate::types::$Source, DB>,
{
fn to_sql<W: ::std::io::Write>(&self, out: &mut W) -> Result<$crate::types::IsNull, Box<::std::error::Error+Send+Sync>> {
$crate::types::ToSql::<$crate::types::$Source, DB>::to_sql(self, out)
}
}
)+
}
}
#[doc(hidden)]
#[macro_export]
macro_rules! queryable_impls {
($($Source:ident -> $Target:ty),+,) => {$(
impl<DB> $crate::types::FromSqlRow<$crate::types::$Source, DB> for $Target where
DB: $crate::backend::Backend + $crate::types::HasSqlType<$crate::types::$Source>,
$Target: $crate::types::FromSql<$crate::types::$Source, DB>,
{
fn build_from_row<R: $crate::row::Row<DB>>(row: &mut R) -> Result<Self, Box<::std::error::Error+Send+Sync>> {
$crate::types::FromSql::<$crate::types::$Source, DB>::from_sql(row.take())
}
}
#[cfg(not(feature = "unstable"))]
impl<DB> $crate::types::FromSqlRow<$crate::types::Nullable<$crate::types::$Source>, DB> for Option<$Target> where
DB: $crate::backend::Backend + $crate::types::HasSqlType<$crate::types::$Source>,
Option<$Target>: $crate::types::FromSql<$crate::types::Nullable<$crate::types::$Source>, DB>,
{
fn build_from_row<R: $crate::row::Row<DB>>(row: &mut R) -> Result<Self, Box<::std::error::Error+Send+Sync>> {
$crate::types::FromSql::<$crate::types::Nullable<$crate::types::$Source>, DB>::from_sql(row.take())
}
}
impl<DB> $crate::query_source::Queryable<$crate::types::$Source, DB> for $Target where
DB: $crate::backend::Backend + $crate::types::HasSqlType<$crate::types::$Source>,
$Target: $crate::types::FromSqlRow<$crate::types::$Source, DB>,
{
type Row = Self;
fn build(row: Self::Row) -> Self {
row
}
}
)+}
}
#[doc(hidden)]
#[macro_export]
macro_rules! primitive_impls {
($Source:ident -> (, $($rest:tt)*)) => {
primitive_impls!($Source -> ($($rest)*));
};
($Source:ident -> (sqlite: ($tpe:ident) $($rest:tt)*)) => {
#[cfg(feature = "sqlite")]
impl $crate::types::HasSqlType<$crate::types::$Source> for $crate::sqlite::Sqlite {
fn metadata() -> $crate::sqlite::SqliteType {
$crate::sqlite::SqliteType::$tpe
}
}
primitive_impls!($Source -> ($($rest)*));
};
($Source:ident -> (pg: ($oid:expr, $array_oid:expr) $($rest:tt)*)) => {
#[cfg(feature = "postgres")]
impl $crate::types::HasSqlType<$crate::types::$Source> for $crate::pg::Pg {
fn metadata() -> $crate::pg::PgTypeMetadata {
$crate::pg::PgTypeMetadata {
oid: $oid,
array_oid: $array_oid,
}
}
}
primitive_impls!($Source -> ($($rest)*));
};
($Source:ident -> (mysql: ($tpe:ident) $($rest:tt)*)) => {
#[cfg(feature = "mysql")]
impl $crate::types::HasSqlType<$crate::types::$Source> for $crate::mysql::Mysql {
fn metadata() -> $crate::mysql::MysqlType {
$crate::mysql::MysqlType::$tpe
}
}
primitive_impls!($Source -> ($($rest)*));
};
($Source:ident -> ()) => {
};
($Source:ident -> ($Target:ty, $($rest:tt)+)) => {
primitive_impls!($Source -> $Target);
primitive_impls!($Source -> ($($rest)+));
};
($Source:ident -> $Target:ty) => {
primitive_impls!($Source);
queryable_impls!($Source -> $Target,);
expression_impls!($Source -> $Target,);
};
($Source:ident) => {
impl $crate::types::HasSqlType<$crate::types::$Source> for $crate::backend::Debug {
fn metadata() {}
}
impl $crate::query_builder::QueryId for $crate::types::$Source {
type QueryId = Self;
fn has_static_query_id() -> bool {
true
}
}
impl $crate::types::NotNull for $crate::types::$Source {
}
}
}
macro_rules! debug_to_sql {
($sql_type:ty, $ty:ty) => {
impl $crate::types::ToSql<$sql_type, $crate::backend::Debug> for $ty {
fn to_sql<W: ::std::io::Write>(&self, _: &mut W) -> Result<$crate::types::IsNull, Box<::std::error::Error+Send+Sync>> {
Ok($crate::types::IsNull::No)
}
}
};
}
mod date_and_time;
pub mod floats;
mod integers;
pub mod option;
mod primitives;
mod tuples;