use super::*;
impl<'a, 'de> Deserializer<'de> for PgAny<'a> {
type Error = crate::de::PgDeError;
fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
#[cfg(feature = "debug-logs")]
log::trace!(
"deserialize_any::<{}>(...) [V::Value = {}]",
std::any::type_name::<V>(),
std::any::type_name::<V::Value>()
);
match self.pg_type {
PgType::BOOL => self.deserialize_bool(visitor),
PgType::BOOL_ARRAY => self.deserialize_seq(visitor),
PgType::INT2 => self.deserialize_i16(visitor),
PgType::INT2_ARRAY => self.deserialize_seq(visitor),
PgType::INT4 => self.deserialize_i32(visitor),
PgType::INT4_ARRAY => self.deserialize_seq(visitor),
PgType::INT8 => self.deserialize_i64(visitor),
PgType::INT8_ARRAY => self.deserialize_seq(visitor),
PgType::TEXT => self.deserialize_string(visitor),
PgType::TEXT_ARRAY => self.deserialize_seq(visitor),
PgType::VARCHAR => self.deserialize_string(visitor),
PgType::VARCHAR_ARRAY => self.deserialize_seq(visitor),
PgType::BPCHAR => self.deserialize_string(visitor),
PgType::BPCHAR_ARRAY => self.deserialize_seq(visitor),
PgType::FLOAT4 => self.deserialize_f32(visitor),
PgType::FLOAT4_ARRAY => self.deserialize_seq(visitor),
PgType::FLOAT8 => self.deserialize_f64(visitor),
PgType::FLOAT8_ARRAY => self.deserialize_seq(visitor),
PgType::JSON => {
let js_value = <JsValue as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)?;
let de = DeJsValue::new(js_value);
de.deserialize_any(visitor)
}
PgType::JSONB => {
let js_value = <JsValue as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)?;
let de = DeJsValue::new(js_value);
de.deserialize_any(visitor)
}
PgType::JSONB_ARRAY => self.deserialize_seq(visitor),
PgType::JSON_ARRAY => self.deserialize_seq(visitor),
unsupported => Err(PgDeError::UnsupportedType(unsupported)),
}
}
::serde::forward_to_deserialize_any! {
i128
u128
char str
bytes byte_buf
tuple
tuple_struct
map
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_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>()
);
let () = util::ensure_pg_type(&self.pg_type, &[PgType::BOOL])?;
visitor.visit_bool(
<bool as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)?,
)
}
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>()
);
Err(PgDeError::Unimplemented(
"pg_any::deserialize_i8",
std::any::type_name::<V::Value>(),
))
}
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>()
);
let value = match self.pg_type {
PgType::INT2 => <i16 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)?,
unsupported => Err(PgDeError::UnsupportedType(unsupported.to_owned()))?,
};
visitor.visit_i16(value)
}
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>()
);
let value = match self.pg_type {
PgType::INT2 => <i16 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)? as i32,
PgType::INT4 => <i32 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)?,
unsupported => Err(PgDeError::UnsupportedType(unsupported.to_owned()))?,
};
visitor.visit_i32(value)
}
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>()
);
let value = match self.pg_type {
PgType::INT2 => <i16 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)? as i64,
PgType::INT4 => <i32 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)? as i64,
PgType::INT8 => <i64 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)?,
unsupported => Err(PgDeError::UnsupportedType(unsupported.to_owned()))?,
};
visitor.visit_i64(value)
}
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>()
);
Err(PgDeError::Unimplemented(
"pg_any::deserialize_u8",
std::any::type_name::<V::Value>(),
))
}
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>()
);
let value = match self.pg_type {
PgType::INT2 => <i16 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)? as u16,
unsupported => Err(PgDeError::UnsupportedType(unsupported.to_owned()))?,
};
visitor.visit_u16(value)
}
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>()
);
let value = match self.pg_type {
PgType::INT2 => <i16 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)? as u32,
PgType::INT4 => <i32 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)? as u32,
unsupported => Err(PgDeError::UnsupportedType(unsupported.to_owned()))?,
};
visitor.visit_u32(value)
}
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>()
);
let value = match self.pg_type {
PgType::INT2 => <i16 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)? as u64,
PgType::INT4 => <i32 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)? as u64,
PgType::INT8 => <i64 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)? as u64,
unsupported => Err(PgDeError::UnsupportedType(unsupported.to_owned()))?,
};
visitor.visit_u64(value)
}
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>()
);
let value = match self.pg_type {
PgType::FLOAT4 => <f32 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)?,
unsupported => Err(PgDeError::UnsupportedType(unsupported.to_owned()))?,
};
visitor.visit_f32(value)
}
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>()
);
let value = match self.pg_type {
PgType::FLOAT4 => <f32 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)? as f64,
PgType::FLOAT8 => <f64 as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)?,
unsupported => Err(PgDeError::UnsupportedType(unsupported.to_owned()))?,
};
visitor.visit_f64(value)
}
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>()
);
let () = util::ensure_pg_type(
&self.pg_type,
&[PgType::VARCHAR, PgType::BPCHAR, PgType::TEXT],
)?;
visitor.visit_string(
<String as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)?,
)
}
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>()
);
let pg_any_opt = <Option<Self> as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)?;
if let Some(pg_any) = pg_any_opt {
visitor.visit_some(pg_any)
} else {
visitor.visit_none()
}
}
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>()
);
visitor.visit_newtype_struct(self)
}
fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
let elements = <Vec<Option<PgAny>> as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)?
.into_iter()
.map(PgAnyOpt::from);
let sa = DeSeqOfPgAnyOpt { elements };
visitor.visit_seq(sa)
}
fn deserialize_struct<V>(
self,
name: &'static str,
fields: &'static [&'static str],
visitor: V,
) -> Result<V::Value, Self::Error>
where
V: Visitor<'de>,
{
let () = util::ensure_pg_type(&self.pg_type, &[PgType::JSON, PgType::JSONB])?;
let js_value = <JsValue as PgFromSql>::from_sql(&self.pg_type, self.raw_data)
.map_err(PgDeError::cast_error)?;
let de = DeJsValue::new(js_value);
de.deserialize_struct(name, fields, visitor)
}
}