Enum postgres::types::Date
[−]
pub enum Date<T> { PosInfinity, NegInfinity, Value(T), }
A wrapper that can be used to represent infinity with Type::Date
types.
Variants
PosInfinity
Represents infinity
, a date that is later than all other dates.
NegInfinity
Represents -infinity
, a date that is earlier than all other dates.
Value(T)
The wrapped date.
Trait Implementations
impl<T> ToSql for Date<T> where T: ToSql
fn to_sql(&self,
ty: &Type,
out: &mut Vec<u8>)
-> Result<IsNull, Box<Error + 'static + Sync + Send>>
ty: &Type,
out: &mut Vec<u8>)
-> Result<IsNull, Box<Error + 'static + Sync + Send>>
Converts the value of self
into the binary format of the specified Postgres Type
, appending it to out
. Read more
fn accepts(ty: &Type) -> bool
Determines if a value of this type can be converted to the specified Postgres Type
. Read more
fn to_sql_checked(&self,
ty: &Type,
out: &mut Vec<u8>)
-> Result<IsNull, Box<Error + 'static + Sync + Send>>
ty: &Type,
out: &mut Vec<u8>)
-> Result<IsNull, Box<Error + 'static + Sync + Send>>
An adaptor method used internally by Rust-Postgres. Read more
impl<T> PartialEq<Date<T>> for Date<T> where T: PartialEq<T>
fn eq(&self, __arg_0: &Date<T>) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &Date<T>) -> bool
This method tests for !=
.
impl<T> Copy for Date<T> where T: Copy
impl<T> Debug for Date<T> where T: Debug
fn fmt(&self, __arg_0: &mut Formatter) -> Result<(), Error>
Formats the value using the given formatter.
impl<T> Clone for Date<T> where T: Clone
fn clone(&self) -> Date<T>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0
Performs copy-assignment from source
. Read more
impl<T> FromSql for Date<T> where T: FromSql
fn from_sql(ty: &Type,
raw: &[u8])
-> Result<Date<T>, Box<Error + 'static + Sync + Send>>
raw: &[u8])
-> Result<Date<T>, Box<Error + 'static + Sync + Send>>
Creates a new value of this type from a buffer of data of the specified Postgres Type
in its binary format. Read more
fn accepts(ty: &Type) -> bool
Determines if a value of this type can be created from the specified Postgres Type
. Read more
fn from_sql_null(ty: &Type) -> Result<Self, Box<Error + 'static + Sync + Send>>
Creates a new value of this type from a NULL
SQL value. Read more
fn from_sql_nullable(ty: &Type,
raw: Option<&[u8]>)
-> Result<Self, Box<Error + 'static + Sync + Send>>
raw: Option<&[u8]>)
-> Result<Self, Box<Error + 'static + Sync + Send>>
A convenience function that delegates to from_sql
and from_sql_null
depending on the value of raw
. Read more