Struct RowCountEstimate 

pub struct RowCountEstimate {
    pub count: u64,
    pub exact: bool,
    pub method: CountMethod,
    pub count_time_ms: u128,
}

Result of a quick row count operation.

Fields

count: u64

The estimated or exact row count.

exact: bool

Whether the count is exact or an estimate.

method: CountMethod

How the count was obtained.

count_time_ms: u128

Time taken in milliseconds.

Trait Implementations

impl Clone for RowCountEstimate

fn clone(&self) -> RowCountEstimate

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RowCountEstimate

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for RowCountEstimate

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for RowCountEstimate

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

where __S: Serializer,

Serialize this value into the given Serde serializer.