Struct ColumnSummary 

pub struct ColumnSummary {
    pub name: String,
    pub dtype: ColumnDtype,
    pub null_count: u64,
    pub distinct_count: u64,
    pub numeric: Option<NumericDescribe>,
}

Per-column summary returned inside a TableSummary.

Fields

name: String

Column name.

dtype: ColumnDtype

The column’s dtype (recovered from its SQLite declared type).

null_count: u64

Count of NULL cells (row_count - COUNT(col)).

distinct_count: u64

Count of distinct non-null values (COUNT(DISTINCT col)).

numeric: Option<NumericDescribe>

pandas-style describe for numeric columns; None for TEXT.

Trait Implementations

impl Clone for ColumnSummary

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnSummary

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ColumnSummary

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for ColumnSummary

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for ColumnSummary

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 ColumnSummary