LogReturnsFunction

sql_cli::sql::functions::financial

Struct LogReturnsFunction

pub struct LogReturnsFunction;

Expand description

LOG_RETURNS function - calculates logarithmic returns Log Returns = ln(price[t] / price[t-1])

Trait Implementations§

impl SqlFunction for LogReturnsFunction

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 LogReturnsFunction

impl RefUnwindSafe for LogReturnsFunction

impl Send for LogReturnsFunction

impl Sync for LogReturnsFunction

impl Unpin for LogReturnsFunction

impl UnwindSafe for LogReturnsFunction

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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Returns the argument unchanged.

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where U: TryFrom<T>,

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

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