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variance

drizzle::core::expr

Function variance 

Source 
pub fn variance<'a, V, E>(
    expr: E,
) -> SQLExpr<'a, V, <<E as Expr<'a, V>>::SQLType as StatisticalAggregatePolicy<<V as SQLParam>::DialectMarker>>::VarSamp, Null, Agg>
where
    V: SQLParam + 'a,
    E: Expr<'a, V>,
    <E as Expr<'a, V>>::SQLType: StatisticalAggregatePolicy<<V as SQLParam>::DialectMarker>,
Expand description

VARIANCE - PostgreSQL alias for sample variance (VAR_SAMP).