Struct SampleInfo 

pub struct SampleInfo {
    pub total_rows: u64,
    pub sampled_rows: u64,
    pub sampling_ratio: f64,
    pub strategy: SamplingStrategy,
    pub is_representative: bool,
    pub confidence_margin: f64,
}

Information about the sampling process

Fields

total_rows: u64

Total rows in the original table/query

sampled_rows: u64

Number of rows in the sample

sampling_ratio: f64

Sampling ratio (0.0 - 1.0)

strategy: SamplingStrategy

Sampling strategy used

is_representative: bool

Whether the sample is representative

confidence_margin: f64

Estimated confidence interval for statistics

Implementations

impl SampleInfo

pub fn new( total_rows: u64, sampled_rows: u64, strategy: SamplingStrategy, ) -> Self

Create new sample info

pub fn get_warning(&self) -> Option<String>

Get a warning message if the sample might not be representative

pub fn get_recommendations(&self) -> Vec<String>

Get recommended actions for improving sample quality

Trait Implementations

impl Clone for SampleInfo

fn clone(&self) -> SampleInfo

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SampleInfo

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for SampleInfo

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for SampleInfo

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.