Struct diesel::sql_types::Float
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pub struct Float;
Trait Implementations
impl Add for Float
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type Rhs = Float
The SQL type which can be added to this one
type Output = Float
The SQL type of the result of adding Rhs
to Self
impl Sub for Float
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type Rhs = Float
The SQL type which can be subtracted from this one
type Output = Float
The SQL type of the result of subtracting Rhs
from Self
impl Mul for Float
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type Rhs = Float
The SQL type which this can be multiplied by
type Output = Float
The SQL type of the result of multiplying Self
by Rhs
impl Div for Float
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type Rhs = Float
The SQL type which this one can be divided by
type Output = Float
The SQL type of the result of dividing Self
by Rhs
impl SqlOrd for Float
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impl Foldable for Float
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type Sum = Nullable<Float>
The SQL type of sum(this_type)
type Avg = Nullable<Double>
The SQL type of avg(this_type)
impl QueryId for Float
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type QueryId = Float
A type which uniquely represents Self
in a SQL query. Read more
const HAS_STATIC_QUERY_ID: bool
HAS_STATIC_QUERY_ID: bool = true
Can the SQL generated by Self
be uniquely identified by its type? Read more
fn query_id() -> Option<TypeId>
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Returns the type id of Self::QueryId
if Self::HAS_STATIC_QUERY_ID
. Returns None
otherwise. Read more
impl NotNull for Float
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impl SingleValue for Float
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impl HasSqlType<Float> for Sqlite
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fn metadata(_: &()) -> SqliteType
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Fetch the metadata for the given type Read more
fn row_metadata(
out: &mut Vec<Self::TypeMetadata>,
lookup: &Self::MetadataLookup
)
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out: &mut Vec<Self::TypeMetadata>,
lookup: &Self::MetadataLookup
)
Fetch the metadata for a tuple representing an entire row Read more
impl HasSqlType<Float> for Mysql
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fn metadata(_: &()) -> MysqlType
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Fetch the metadata for the given type Read more
fn row_metadata(
out: &mut Vec<Self::TypeMetadata>,
lookup: &Self::MetadataLookup
)
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out: &mut Vec<Self::TypeMetadata>,
lookup: &Self::MetadataLookup
)
Fetch the metadata for a tuple representing an entire row Read more
impl HasSqlType<Float> for Pg
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fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata
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Fetch the metadata for the given type Read more
fn row_metadata(
out: &mut Vec<Self::TypeMetadata>,
lookup: &Self::MetadataLookup
)
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out: &mut Vec<Self::TypeMetadata>,
lookup: &Self::MetadataLookup
)
Fetch the metadata for a tuple representing an entire row Read more
impl Debug for Float
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fn fmt(&self, __arg_0: &mut Formatter) -> Result
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Formats the value using the given formatter. Read more
impl Clone for Float
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fn clone(&self) -> Float
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl Copy for Float
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impl Default for Float
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impl FromSql<Float, Sqlite> for f32
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impl<DB: Backend<RawValue = [u8]>> FromSql<Float, DB> for f32
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impl<DB: Backend> ToSql<Float, DB> for f32
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impl<'expr> AsExpression<Float> for &'expr f32
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type Expression = Bound<Float, Self>
The expression being returned
fn as_expression(self) -> Self::Expression
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Perform the conversion
impl<'expr2, 'expr> AsExpression<Float> for &'expr2 &'expr f32
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type Expression = Bound<Float, Self>
The expression being returned
fn as_expression(self) -> Self::Expression
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Perform the conversion
impl AsExpression<Float> for f32
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type Expression = Bound<Float, Self>
The expression being returned
fn as_expression(self) -> Self::Expression
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Perform the conversion