WordCount

sql_cli::sql::functions::text_processing

Struct WordCount

pub struct WordCount;

Expand description

Count words in text

Trait Implementations§

impl SqlFunction for WordCount

fn signature(&self) -> FunctionSignature

Get the function’s signature and metadata

fn evaluate(&self, args: &[DataValue]) -> Result<DataValue>

Evaluate the function with the given arguments

fn validate_args(&self, args: &[DataValue]) -> Result<()>

Validate arguments before evaluation (default implementation checks count)

Auto Trait Implementations§

impl Freeze for WordCount

impl RefUnwindSafe for WordCount

impl Send for WordCount

impl Sync for WordCount

impl Unpin for WordCount

impl UnwindSafe for WordCount

Blanket Implementations§

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

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Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

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

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

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Calls U::from(self).

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

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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type Output = T

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where U: Into<T>,

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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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impl<V, T> VZip<V> for T
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fn vzip(self) -> V

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where S: Into<Dispatch>,

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Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

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