Function datafusion_physical_expr::expressions::cast

pub fn cast(
    expr: Arc<dyn PhysicalExpr>,
    input_schema: &Schema,
    cast_type: DataType,
) -> Result<Arc<dyn PhysicalExpr>, DataFusionError>

Return a PhysicalExpression representing expr casted to cast_type, if any casting is needed.

Note that such casts may lose type information