pub enum SampleMethod {
Bernoulli,
System,
}Expand description
TABLESAMPLE sampling method
Variants§
Bernoulli
BERNOULLI - each row has independent probability
System
SYSTEM - faster but less random (block-level sampling)
Trait Implementations§
Source§impl Clone for SampleMethod
impl Clone for SampleMethod
Source§fn clone(&self) -> SampleMethod
fn clone(&self) -> SampleMethod
Returns a duplicate 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 SampleMethod
impl Debug for SampleMethod
Source§impl<'de> Deserialize<'de> for SampleMethod
impl<'de> Deserialize<'de> for SampleMethod
Source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
Source§impl PartialEq for SampleMethod
impl PartialEq for SampleMethod
Source§impl Serialize for SampleMethod
impl Serialize for SampleMethod
impl Copy for SampleMethod
impl Eq for SampleMethod
impl StructuralPartialEq for SampleMethod
Auto Trait Implementations§
impl Freeze for SampleMethod
impl RefUnwindSafe for SampleMethod
impl Send for SampleMethod
impl Sync for SampleMethod
impl Unpin for SampleMethod
impl UnwindSafe for SampleMethod
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more