Method remove_optimizer_rule

datafusion/core/src/execution/session_state.rs:390–394

Removes an optimizer rule by name, returning `true` if it existed.

(&mut self, name: &str)

    /// Removes an optimizer rule by name, returning `true` if it existed.
    pub(crate) fn remove_optimizer_rule(&mut self, name: &str) -> bool {
        let original_len = self.optimizer.rules.len();
        self.optimizer.rules.retain(|r| r.name() != name);
        self.optimizer.rules.len() < original_len
    }

    /// Registers a [`FunctionFactory`] to handle `CREATE FUNCTION` statements
    pub fn set_function_factory(&mut self, function_factory: Arc<dyn FunctionFactory>) {