Struct WindowExecutor

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pub struct WindowExecutor { /* private fields */ }

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Execute window functions over a dataset

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impl WindowExecutor

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pub fn new() -> Self

Create a new window executor

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pub fn execute( &mut self, rows: &[HashMap<String, ValueWord>], window_expr: &WindowExpr, evaluator: Option<&dyn ExpressionEvaluator>, ctx: &mut ExecutionContext, ) -> Result<Vec<ValueWord>>

Execute a window function over rows

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impl Default for WindowExecutor

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fn default() -> Self

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

Auto Trait Implementations§

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impl UnwindSafe for WindowExecutor

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

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where T: ?Sized,

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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

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impl<T> From<T> for T

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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Calls U::from(self).

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where F: FnOnce(&Self) -> bool,

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