Enum taos_query::common::Value

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pub enum Value {
Show 20 variants
    Null(Ty),
    Bool(bool),
    TinyInt(i8),
    SmallInt(i16),
    Int(i32),
    BigInt(i64),
    Float(f32),
    Double(f64),
    VarChar(String),
    Timestamp(Timestamp),
    NChar(String),
    UTinyInt(u8),
    USmallInt(u16),
    UInt(u32),
    UBigInt(u64),
    Json(Value),
    VarBinary(Vec<u8>),
    Decimal(Decimal),
    Blob(Vec<u8>),
    MediumBlob(Vec<u8>),
}

Variants

`Null(Ty)`

`Bool(bool)`

`TinyInt(i8)`

`SmallInt(i16)`

`Int(i32)`

`BigInt(i64)`

`Float(f32)`

`Double(f64)`

`VarChar(String)`

`Timestamp(Timestamp)`

`NChar(String)`

`UTinyInt(u8)`

`USmallInt(u16)`

`UInt(u32)`

`UBigInt(u64)`

`Json(Value)`

`VarBinary(Vec<u8>)`

`Decimal(Decimal)`

`Blob(Vec<u8>)`

`MediumBlob(Vec<u8>)`

Implementations

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impl Value

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pub const fn ty(&self) -> Ty

The data type of this value.

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pub fn to_borrowed_value(&self) -> BorrowedValue<'_>

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pub const fn is_null(&self) -> bool

Check if the value is null.

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pub fn strict_as_str(&self) -> &str

Only VarChar, NChar, Json could be treated as &str.

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pub fn to_sql_value(&self) -> String

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pub fn to_string(&self) -> Result<String, Utf8Error>

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pub fn to_json_value(&self) -> Value

Trait Implementations

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impl Clone for Value

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fn clone(&self) -> Value

Returns a copy of the value. Read more

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const fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for Value

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl<'de> Deserialize<'de> for Value

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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>where
__D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

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impl<'de, 'v: 'de> Deserializer<'de> for &'v Value

type Error = Error

The error type that can be returned if some error occurs during deserialization. Read more

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fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Require the Deserializer to figure out how to drive the visitor based on what data type is in the input. Read more

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fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a bool value.

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fn deserialize_i8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting an i8 value.

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fn deserialize_u8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a u8 value.

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fn deserialize_i16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting an i16 value.

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fn deserialize_u16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a u16 value.

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fn deserialize_i32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting an i32 value.

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fn deserialize_u32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a u32 value.

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fn deserialize_i64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting an i64 value.

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fn deserialize_u64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a u64 value.

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fn deserialize_f32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a f32 value.

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fn deserialize_f64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a f64 value.

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fn deserialize_char<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a char value.

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fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a unit value.

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fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a byte array and does not benefit from taking ownership of buffered data owned by the Deserializer. Read more

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fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a byte array and would benefit from taking ownership of buffered data owned by the Deserializer. Read more

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fn deserialize_unit_struct<V>(
 self,
 name: &'static str,
 visitor: V
) -> Result<V::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting a unit struct with a particular name. Read more

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fn deserialize_tuple_struct<V>(
 self,
 name: &'static str,
 len: usize,
 visitor: V
) -> Result<V::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting a tuple struct with a particular name and number of fields. Read more

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fn deserialize_tuple<V>(
 self,
 len: usize,
 visitor: V
) -> Result<V::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting a sequence of values and knows how many values there are without looking at the serialized data. Read more

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fn deserialize_identifier<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting the name of a struct field or the discriminant of an enum variant. Read more

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fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type needs to deserialize a value whose type doesn’t matter because it is ignored. Read more

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fn deserialize_str<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a string value and does not benefit from taking ownership of buffered data owned by the Deserializer. Read more

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fn deserialize_string<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a string value and would benefit from taking ownership of buffered data owned by the Deserializer. Read more

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fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting an optional value. Read more

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fn deserialize_newtype_struct<V>(
 self,
 _name: &'static str,
 visitor: V
) -> Result<V::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting a newtype struct with a particular name. Read more

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fn deserialize_map<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a map of key-value pairs.

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fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a sequence of values.

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fn deserialize_enum<V>(
 self,
 name: &'static str,
 variants: &'static [&'static str],
 visitor: V
) -> Result<V::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting an enum value with a particular name and possible variants. Read more

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fn deserialize_struct<V>(
 self,
 name: &'static str,
 fields: &'static [&'static str],
 visitor: V
) -> Result<V::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting a struct with a particular name and fields. Read more

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fn deserialize_i128<V>(
 self,
 visitor: V
) -> Result<<V as Visitor<'de>>::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting an i128 value. Read more

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fn deserialize_u128<V>(
 self,
 visitor: V
) -> Result<<V as Visitor<'de>>::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting an u128 value. Read more

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fn is_human_readable(&self) -> bool

Determine whether Deserialize implementations should expect to deserialize their human-readable form. Read more

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impl<'de, 'b: 'de> Deserializer<'de> for Value

type Error = Error

The error type that can be returned if some error occurs during deserialization. Read more

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fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Require the Deserializer to figure out how to drive the visitor based on what data type is in the input. Read more

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fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a bool value.

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fn deserialize_i8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting an i8 value.

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fn deserialize_u8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a u8 value.

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fn deserialize_i16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting an i16 value.

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fn deserialize_u16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a u16 value.

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fn deserialize_i32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting an i32 value.

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fn deserialize_u32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a u32 value.

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fn deserialize_i64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting an i64 value.

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fn deserialize_u64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a u64 value.

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fn deserialize_f32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a f32 value.

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fn deserialize_f64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a f64 value.

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fn deserialize_char<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a char value.

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fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a unit value.

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fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a byte array and does not benefit from taking ownership of buffered data owned by the Deserializer. Read more

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fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a byte array and would benefit from taking ownership of buffered data owned by the Deserializer. Read more

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fn deserialize_unit_struct<V>(
 self,
 name: &'static str,
 visitor: V
) -> Result<V::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting a unit struct with a particular name. Read more

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fn deserialize_tuple_struct<V>(
 self,
 name: &'static str,
 len: usize,
 visitor: V
) -> Result<V::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting a tuple struct with a particular name and number of fields. Read more

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fn deserialize_tuple<V>(
 self,
 len: usize,
 visitor: V
) -> Result<V::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting a sequence of values and knows how many values there are without looking at the serialized data. Read more

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fn deserialize_identifier<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting the name of a struct field or the discriminant of an enum variant. Read more

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fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type needs to deserialize a value whose type doesn’t matter because it is ignored. Read more

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fn deserialize_str<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a string value and does not benefit from taking ownership of buffered data owned by the Deserializer. Read more

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fn deserialize_string<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a string value and would benefit from taking ownership of buffered data owned by the Deserializer. Read more

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fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting an optional value. Read more

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fn deserialize_newtype_struct<V>(
 self,
 _name: &'static str,
 visitor: V
) -> Result<V::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting a newtype struct with a particular name. Read more

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fn deserialize_map<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a map of key-value pairs.

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fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

Hint that the Deserialize type is expecting a sequence of values.

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fn deserialize_enum<V>(
 self,
 name: &'static str,
 variants: &'static [&'static str],
 visitor: V
) -> Result<V::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting an enum value with a particular name and possible variants. Read more

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fn deserialize_struct<V>(
 self,
 name: &'static str,
 fields: &'static [&'static str],
 visitor: V
) -> Result<V::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting a struct with a particular name and fields. Read more

source

fn deserialize_i128<V>(
 self,
 visitor: V
) -> Result<<V as Visitor<'de>>::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting an i128 value. Read more

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fn deserialize_u128<V>(
 self,
 visitor: V
) -> Result<<V as Visitor<'de>>::Value, Self::Error>where
 V: Visitor<'de>,

Hint that the Deserialize type is expecting an u128 value. Read more

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fn is_human_readable(&self) -> bool

Determine whether Deserialize implementations should expect to deserialize their human-readable form. Read more

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impl Display for Value

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl<'de, 'v> EnumAccess<'de> for &'v Value

type Error = Error

The error type that can be returned if some error occurs during deserialization. Read more

type Variant = UnitOnly

The Visitor that will be used to deserialize the content of the enum variant. Read more

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fn variant_seed<V>(
 self,
 seed: V
) -> Result<(V::Value, Self::Variant), Self::Error>where
 V: DeserializeSeed<'de>,

variant is called to identify which variant to deserialize. Read more

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fn variant<V>(self) -> Result<(V, Self::Variant), Self::Error>where
V: Deserialize<'de>,

variant is called to identify which variant to deserialize. Read more

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impl<'de, 'b> EnumAccess<'de> for Value

type Error = Error

The error type that can be returned if some error occurs during deserialization. Read more

type Variant = UnitOnly

The Visitor that will be used to deserialize the content of the enum variant. Read more

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fn variant_seed<V>(
 self,
 seed: V
) -> Result<(V::Value, Self::Variant), Self::Error>where
 V: DeserializeSeed<'de>,

variant is called to identify which variant to deserialize. Read more

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fn variant<V>(self) -> Result<(V, Self::Variant), Self::Error>where
V: Deserialize<'de>,

variant is called to identify which variant to deserialize. Read more

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impl<'de, 'b: 'de> IntoDeserializer<'de, Error> for &'b Value

type Deserializer = &'b Value

The type of the deserializer being converted into.

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fn into_deserializer(self) -> Self::Deserializer

Convert this value into a deserializer.

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impl<'de, 'b: 'de> IntoDeserializer<'de, Error> for Value

type Deserializer = Value

The type of the deserializer being converted into.

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fn into_deserializer(self) -> Self::Deserializer

Convert this value into a deserializer.

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impl PartialEq<Value> for Value

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fn eq(&self, other: &Value) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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const fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

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impl Serialize for Value

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where
S: Serializer,

Serialize this value into the given Serde serializer. Read more

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impl StructuralPartialEq for Value

Auto Trait Implementations

impl RefUnwindSafe for Value

impl Send for Value

impl Sync for Value

impl Unpin for Value

impl UnwindSafe for Value

Blanket Implementations

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impl<T> Any for Twhere
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for Twhere
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> Conv for T

fn conv<T>(self) -> Twhere
Self: Into<T>,

Converts self into T using Into<T>. Read more

impl<T> FmtForward for T

fn fmt_binary(self) -> FmtBinary<Self>where
Self: Binary,

Causes self to use its Binary implementation when Debug-formatted. Read more

fn fmt_display(self) -> FmtDisplay<Self>where
Self: Display,

Causes self to use its Display implementation when Debug-formatted. Read more

fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted. Read more

fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted. Read more

fn fmt_octal(self) -> FmtOctal<Self>where
Self: Octal,

Causes self to use its Octal implementation when Debug-formatted. Read more

fn fmt_pointer(self) -> FmtPointer<Self>where
Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted. Read more

fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted. Read more

fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted. Read more

fn fmt_list(self) -> FmtList<Self>where
&'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for Twhere
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Pipe for Twhere
T: ?Sized,

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R

Pipes by value. This is generally the method you want to use. Read more

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere
R: 'a,

Borrows self and passes that borrow into the pipe function. Read more

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> Rwhere
 Self: Borrow,
 B: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more

fn pipe_borrow_mut<'a, B, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut B) -> R
) -> Rwhere
 Self: BorrowMut,
 B: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> Rwhere
 Self: AsRef,
 U: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> Rwhere
 Self: AsMut,
 U: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function. Read more

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> Rwhere
 Self: Deref<Target = T>,
 T: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.deref() into the pipe function.

fn pipe_deref_mut<'a, T, R>(&'a mut self, func: impl FnOnce(&'a mut T) -> R) -> Rwhere
 Self: DerefMut<Target = T> + Deref,
 T: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function. Read more

impl<T> Tap for T

fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more

fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more

fn tap_borrow(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow,
B: ?Sized,

Immutable access to the Borrow of a value. Read more

fn tap_borrow_mut(self, func: impl FnOnce(&mut B)) -> Selfwhere
Self: BorrowMut,
B: ?Sized,

Mutable access to the BorrowMut of a value. Read more

fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Selfwhere
Self: AsRef<R>,
R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more

fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
Self: AsMut<R>,
R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more

fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Selfwhere
Self: Deref<Target = T>,
T: ?Sized,

Immutable access to the Deref::Target of a value. Read more

fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

Mutable access to the Deref::Target of a value. Read more

fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.

fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds. Read more

fn tap_borrow_dbg(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow,
B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds. Read more

fn tap_borrow_mut_dbg(self, func: impl FnOnce(&mut B)) -> Selfwhere
Self: BorrowMut,
B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds. Read more

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Selfwhere
Self: AsRef<R>,
R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds. Read more

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
Self: AsMut<R>,
R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds. Read more

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Selfwhere
Self: Deref<Target = T>,
T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds. Read more

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds. Read more

source

impl<T> ToOwned for Twhere
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

source

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

source

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

source

impl<T> ToString for Twhere
T: Display + ?Sized,

source

default fn to_string(&self) -> String

Converts the given value to a String. Read more

impl<T> TryConv for T

fn try_conv<T>(self) -> Result<T, Self::Error>where
Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more

source

impl<T, U> TryFrom for Twhere
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

source

impl<T, U> TryInto for Twhere
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

source

Enum taos_query::common::Value

Variants

Null(Ty)

Bool(bool)

TinyInt(i8)

SmallInt(i16)

Int(i32)

BigInt(i64)

Float(f32)

Double(f64)

VarChar(String)

Timestamp(Timestamp)

NChar(String)

UTinyInt(u8)

USmallInt(u16)

UInt(u32)

UBigInt(u64)

Json(Value)

VarBinary(Vec<u8>)

Decimal(Decimal)

Blob(Vec<u8>)

MediumBlob(Vec<u8>)

Implementations

impl Value

pub const fn ty(&self) -> Ty

pub fn to_borrowed_value(&self) -> BorrowedValue<'_>

pub const fn is_null(&self) -> bool

pub fn strict_as_str(&self) -> &str

pub fn to_sql_value(&self) -> String

pub fn to_string(&self) -> Result<String, Utf8Error>

pub fn to_json_value(&self) -> Value

Trait Implementations

impl Clone for Value

fn clone(&self) -> Value

const fn clone_from(&mut self, source: &Self)

impl Debug for Value

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl<'de> Deserialize<'de> for Value

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where __D: Deserializer<'de>,

impl<'de, 'v: 'de> Deserializer<'de> for &'v Value

type Error = Error

fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_i8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_u8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_i16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_u16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_i32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_u32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_i64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_u64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_f32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_f64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_char<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_unit_struct<V>( self, name: &'static str, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_tuple_struct<V>( self, name: &'static str, len: usize, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_tuple<V>( self, len: usize, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_identifier<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_str<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_string<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_newtype_struct<V>( self, _name: &'static str, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_map<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_enum<V>( self, name: &'static str, variants: &'static [&'static str], visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_struct<V>( self, name: &'static str, fields: &'static [&'static str], visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_i128<V>( self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_u128<V>( self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error>where V: Visitor<'de>,

fn is_human_readable(&self) -> bool

impl<'de, 'b: 'de> Deserializer<'de> for Value

type Error = Error

fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_i8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_u8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

fn deserialize_i16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where V: Visitor<'de>,

`Null(Ty)`

`Bool(bool)`

`TinyInt(i8)`

`SmallInt(i16)`

`Int(i32)`

`BigInt(i64)`

`Float(f32)`

`Double(f64)`

`VarChar(String)`

`Timestamp(Timestamp)`

`NChar(String)`

`UTinyInt(u8)`

`USmallInt(u16)`

`UInt(u32)`

`UBigInt(u64)`

`Json(Value)`

`VarBinary(Vec<u8>)`

`Decimal(Decimal)`

`Blob(Vec<u8>)`

`MediumBlob(Vec<u8>)`

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>where
__D: Deserializer<'de>,

fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_i8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_u8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_i16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_u16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_i32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_u32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_i64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_u64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_f32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_f64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_char<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_unit_struct<V>(
self,
name: &'static str,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_tuple_struct<V>(
self,
name: &'static str,
len: usize,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_tuple<V>(
self,
len: usize,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_identifier<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_str<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_string<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_newtype_struct<V>(
self,
_name: &'static str,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_map<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_enum<V>(
self,
name: &'static str,
variants: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_struct<V>(
self,
name: &'static str,
fields: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_i128<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_u128<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_i8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_u8<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_i16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_u16<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_i32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_u32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_i64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_u64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_f32<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_f64<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_char<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_unit_struct<V>(
self,
name: &'static str,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_tuple_struct<V>(
self,
name: &'static str,
len: usize,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_tuple<V>(
self,
len: usize,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_identifier<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_str<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_string<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_newtype_struct<V>(
self,
_name: &'static str,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_map<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,

fn deserialize_enum<V>(
self,
name: &'static str,
variants: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,