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ColumnStatistics

spiral::scandal::api::objects

Struct ColumnStatistics 

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pub struct ColumnStatistics {
    pub counts_exact: bool,
    pub max_exact: bool,
    pub max_value: Option<Expression>,
    pub min_exact: bool,
    pub min_value: Option<Expression>,
    pub name: String,
    pub nan_count: Option<SafeUnsignedLong>,
    pub null_count: Option<SafeUnsignedLong>,
}
Expand description

Stored bounds and counts for one output column. Values are typed literal expressions; missing values are unknown.

Fields§

§counts_exact: bool

Contract field countsExact.

§max_exact: bool

Contract field maxExact.

§max_value: Option<Expression>

Contract field maxValue.

§min_exact: bool

Contract field minExact.

§min_value: Option<Expression>

Contract field minValue.

§name: String

Contract field name.

§nan_count: Option<SafeUnsignedLong>

Contract field nanCount.

§null_count: Option<SafeUnsignedLong>

Contract field nullCount.

Trait Implementations§

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impl Clone for ColumnStatistics

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for ColumnStatistics

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for ColumnStatistics

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<'de> DeserializeStrict<'de> for ColumnStatistics

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fn deserialize_strict<D: Deserializer<'de>>( deserializer: D, ) -> Result<Self, D::Error>

Deserialize a request value, including strict decoding of its children.
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impl Eq for ColumnStatistics

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impl PartialEq for ColumnStatistics

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl Serialize for ColumnStatistics

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

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for ColumnStatistics

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