pub struct DateSubFunction;
Expand description
A function subtracts an interval value to Timestamp, Date, and return the result. The implementation of datetime type is based on Date64 which is incorrect so this function doesn’t support the datetime type.
Trait Implementations§
source§impl Clone for DateSubFunction
impl Clone for DateSubFunction
source§fn clone(&self) -> DateSubFunction
fn clone(&self) -> DateSubFunction
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for DateSubFunction
impl Debug for DateSubFunction
source§impl Default for DateSubFunction
impl Default for DateSubFunction
source§fn default() -> DateSubFunction
fn default() -> DateSubFunction
Returns the “default value” for a type. Read more
source§impl Display for DateSubFunction
impl Display for DateSubFunction
source§impl Function for DateSubFunction
impl Function for DateSubFunction
source§fn return_type(
&self,
input_types: &[ConcreteDataType],
) -> Result<ConcreteDataType>
fn return_type( &self, input_types: &[ConcreteDataType], ) -> Result<ConcreteDataType>
The returned data type of function execution.
source§fn eval(
&self,
_func_ctx: FunctionContext,
columns: &[VectorRef],
) -> Result<VectorRef>
fn eval( &self, _func_ctx: FunctionContext, columns: &[VectorRef], ) -> Result<VectorRef>
Evaluate the function, e.g. run/execute the function.
Auto Trait Implementations§
impl Freeze for DateSubFunction
impl RefUnwindSafe for DateSubFunction
impl Send for DateSubFunction
impl Sync for DateSubFunction
impl Unpin for DateSubFunction
impl UnwindSafe for DateSubFunction
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source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
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fn borrow_mut(&mut self) -> &mut T
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impl<T> CloneToUninit for Twhere
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source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
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