pub trait ScalarFunction: Send + Sync {
// Required method
fn scalar<'a>(
&'a self,
ctx: ScalarFunctionContext<'a>,
) -> Result<ColumnData>;
}pub trait ScalarFunction: Send + Sync {
// Required method
fn scalar<'a>(
&'a self,
ctx: ScalarFunctionContext<'a>,
) -> Result<ColumnData>;
}