Struct Where 

pub struct Where {
    pub conditions: Vec<Expr>,
}

WHERE a AND b AND c

Conditions accumulate and are always joined with AND. OR is built inside a single condition — expr::or — because a clause that could switch its own connective would make append_where mean something different depending on call order.

Fields

conditions: Vec<Expr>

The conditions, in the order they were appended.

Implementations

impl Where

pub fn append_where(&mut self, condition: impl IntoExpr)

Append one condition.

pub fn is_empty(&self) -> bool

Whether the clause is absent.

Trait Implementations

impl Clone for Where

fn clone(&self) -> Where

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Where

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

Formats the value using the given formatter.

impl Default for Where

fn default() -> Where

Returns the “default value” for a type.

impl Expression for Where

fn write_sql(&self, w: &mut SqlWriter<'_>)

Append this fragment to w.

impl HasWhere for Where

fn where_mut(&mut self) -> &mut Where

The WHERE clause to modify.