datafusion_physical_plan::expressions

Function case

Source 
pub fn case(
    expr: Option<Arc<dyn PhysicalExpr>>,
    when_thens: Vec<(Arc<dyn PhysicalExpr>, Arc<dyn PhysicalExpr>)>,
    else_expr: Option<Arc<dyn PhysicalExpr>>,
) -> Result<Arc<dyn PhysicalExpr>, DataFusionError>
Expand description

Create a CASE expression