Struct datafusion_python::optimizer::analyzer::count_wildcard_rule::CountWildcardRule

pub struct CountWildcardRule {}

Expand description

Rewrite Count(Expr:Wildcard) to Count(Expr:Literal).

Resolves issue: https://github.com/apache/datafusion/issues/5473

Implementations§

impl CountWildcardRule

pub fn new() -> CountWildcardRule

Trait Implementations§

impl AnalyzerRule for CountWildcardRule

fn analyze( &self, plan: LogicalPlan, _: &ConfigOptions, ) -> Result<LogicalPlan, DataFusionError>

Rewrite plan

fn name(&self) -> &str

A human readable name for this analyzer rule

impl Default for CountWildcardRule

fn default() -> CountWildcardRule

Returns the “default value” for a type. Read more

Auto Trait Implementations§

impl Freeze for CountWildcardRule

impl RefUnwindSafe for CountWildcardRule

impl Send for CountWildcardRule

impl Sync for CountWildcardRule

impl Unpin for CountWildcardRule

impl UnwindSafe for CountWildcardRule

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

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