ReverseFunction

sql_cli::sql::functions::string_fun

Struct ReverseFunction

pub struct ReverseFunction;

Expand description

REVERSE(string) - Reverses a string

Trait Implementations§

impl SqlFunction for ReverseFunction

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 ReverseFunction

impl RefUnwindSafe for ReverseFunction

impl Send for ReverseFunction

impl Sync for ReverseFunction

impl Unpin for ReverseFunction

impl UnwindSafe for ReverseFunction

Blanket Implementations§

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

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Gets the TypeId of self. Read more

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where T: ?Sized,

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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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