Method name

datafusion/optimizer/src/test/udfs.rs:70–77

(&self)

impl ScalarUDFImpl for PlacementTestUDF {
    fn name(&self) -> &str {
        match self.placement {
            ExpressionPlacement::MoveTowardsLeafNodes => "leaf_udf",
            ExpressionPlacement::KeepInPlace => "keep_in_place_udf",
            ExpressionPlacement::Column => "column_udf",
            ExpressionPlacement::Literal => "literal_udf",
        }
    }
    fn signature(&self) -> &Signature {
        &self.signature
    }