Struct ColumnCboStats 

pub struct ColumnCboStats {
    pub name: String,
    pub ndv: Option<u64>,
    pub min: Option<String>,
    pub max: Option<String>,
    pub null_count: Option<u64>,
}

Per-column statistics collected by ANALYZE TABLE … FOR COLUMNS.

Fields

name: String

ndv: Option<u64>

Approximate number of distinct values (HLL-based).

min: Option<String>

Rendered minimum value (display form; type-erased on purpose).

max: Option<String>

Rendered maximum value.

null_count: Option<u64>

Trait Implementations

impl Clone for ColumnCboStats

fn clone(&self) -> ColumnCboStats

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnCboStats

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

Formats the value using the given formatter.

impl Default for ColumnCboStats

fn default() -> ColumnCboStats

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ColumnCboStats

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for ColumnCboStats

impl PartialEq for ColumnCboStats

fn eq(&self, other: &ColumnCboStats) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for ColumnCboStats

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ColumnCboStats