Enum Function 

pub enum Function {
    Lower,
    Upper,
    Length,
    Coalesce,
    Concat,
    Substr,
    Replace,
    Trim,
}

Scalar functions with the same meaning on every relational backend.

Variants

Lower

LOWER(text).

Upper

UPPER(text).

Length

Length in characters.

Coalesce

First non-NULL argument.

Concat

Concatenation; NULL arguments count as empty text.

Substr

SUBSTR(text, start [, length]) with a 1-based start.

Replace

REPLACE(text, from, to).

Trim

Remove leading and trailing spaces.

Trait Implementations

impl Clone for Function

fn clone(&self) -> Function

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Function

impl Debug for Function

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

Formats the value using the given formatter.

impl Eq for Function

impl PartialEq for Function

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Function