Trait OptimizerConfig

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pub trait OptimizerConfig {
    // Required methods
    fn query_execution_start_time(&self) -> Option<DateTime<Utc>>;
    fn alias_generator(&self) -> &Arc<AliasGenerator>;
    fn options(&self) -> Arc<ConfigOptions>;

    // Provided method
    fn function_registry(&self) -> Option<&dyn FunctionRegistry> { ... }
}

Expand description

Options to control the DataFusion Optimizer.

Required Methods§

Source

fn query_execution_start_time(&self) -> Option<DateTime<Utc>>

Return the time at which the query execution started. This time is used as the value for now(). If None, time-dependent functions like now() will not be simplified during optimization.

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