Struct Count

pub struct Count<'a> { /* private fields */ }

Returns the number of rows that matches a specified criteria.

Trait Implementations

impl<'a> Clone for Count<'a>

fn clone(&self) -> Count<'a>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for Count<'a>

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

Formats the value using the given formatter.

impl<'a> From<Count<'a>> for Function<'a>

fn from(value: Count<'a>) -> Self

Converts to this type from the input type.

impl<'a> PartialEq for Count<'a>

fn eq(&self, other: &Count<'a>) -> bool

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'a> StructuralPartialEq for Count<'a>