LPadFunction

sql_cli::sql::functions::string_utils

Struct LPadFunction

pub struct LPadFunction;

Expand description

LPAD function - Left pad a string to a certain length

Trait Implementations§

impl SqlFunction for LPadFunction

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 LPadFunction

impl RefUnwindSafe for LPadFunction

impl Send for LPadFunction

impl Sync for LPadFunction

impl Unpin for LPadFunction

impl UnwindSafe for LPadFunction

Blanket Implementations§

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

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impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

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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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