use super::*;
impl<'a, 'de> Deserializer<'de> for DeRow<'a> {
type Error = crate::de::PgDeError;
fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
if self.cols.is_empty() {
visitor.visit_unit()
} else if self.cols.len() == 1 {
let col = self.cols[0];
match col.type_() {
unsupported => Err(PgDeError::UnsupportedType(unsupported.to_owned())),
}
} else {
unimplemented!("deserialize_any (many columns: {:#?})", self.cols)
}
}
::serde::forward_to_deserialize_any! {
i128
u128
char str
bytes byte_buf
enum
identifier
ignored_any
}
fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
visitor.visit_unit()
}
fn deserialize_unit_struct<V>(
self,
_name: &'static str,
visitor: V,
) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
visitor.visit_unit()
}
fn deserialize_tuple<V>(self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_tuple(self, len: {:?}, ...) [V::Value = {}]",
len,
std::any::type_name::<V::Value>()
);
visitor.visit_seq(DeRowTuple::new(&self, None, len))
}
fn deserialize_tuple_struct<V>(
self,
name: &'static str,
len: usize,
visitor: V,
) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_tuple_struct(self, name: {:?} len: {:?}, ...) [V::Value = {}]",
name,
len,
std::any::type_name::<V::Value>()
);
visitor.visit_seq(DeRowTuple::new(&self, Some(name), len))
}
fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_seq(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
self.require_single_column::<V::Value, V>()?
.deserialize_seq(visitor)
}
fn deserialize_struct<V>(
self,
name: &'static str,
fields: &'static [&'static str],
visitor: V,
) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_struct(self, name: {:?}, fields: {:?}, ...) [V::Value = {}]",
name,
fields,
std::any::type_name::<V::Value>()
);
let ma = DeRowStruct::new(&self, name, fields);
visitor.visit_map(ma)
}
fn deserialize_map<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_map(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
let ma = DeRowMap::new(&self);
visitor.visit_map(ma)
}
fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_bool(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
self.require_single_column::<bool, V>()?
.deserialize_bool(visitor)
}
fn deserialize_i8<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_i8(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
self.require_single_column::<i8, V>()?
.deserialize_i8(visitor)
}
fn deserialize_i16<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_i16(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
self.require_single_column::<i16, V>()?
.deserialize_i16(visitor)
}
fn deserialize_i32<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_i32(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
self.require_single_column::<i32, V>()?
.deserialize_i32(visitor)
}
fn deserialize_i64<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_i64(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
self.require_single_column::<i32, V>()?
.deserialize_i64(visitor)
}
fn deserialize_u8<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_u8(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
self.require_single_column::<u8, V>()?
.deserialize_u8(visitor)
}
fn deserialize_u16<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_u16(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
self.require_single_column::<u16, V>()?
.deserialize_u16(visitor)
}
fn deserialize_u32<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_u32(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
self.require_single_column::<u32, V>()?
.deserialize_u32(visitor)
}
fn deserialize_u64<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_u64(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
self.require_single_column::<i32, V>()?
.deserialize_u64(visitor)
}
fn deserialize_f32<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_f32(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
self.require_single_column::<f32, V>()?
.deserialize_f32(visitor)
}
fn deserialize_f64<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_f64(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
self.require_single_column::<f64, V>()?
.deserialize_f64(visitor)
}
fn deserialize_string<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_string(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
self.require_single_column::<String, V>()?
.deserialize_string(visitor)
}
fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_option(self, ...) [V::Value = {}]",
std::any::type_name::<V::Value>()
);
self.require_single_column::<Option<V::Value>, V>()?
.deserialize_option(visitor)
}
fn deserialize_newtype_struct<V>(
self,
name: &'static str,
visitor: V,
) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_newtype_struct(self, name: {:?} ...) [V::Value = {}]",
name,
std::any::type_name::<V::Value>()
);
self.require_single_column::<Option<V::Value>, V>()?
.deserialize_newtype_struct(name, visitor)
}
}