pub struct Statistics {
    pub null_count: Box<dyn Array>,
    pub distinct_count: Box<dyn Array>,
    pub min_value: Box<dyn Array>,
    pub max_value: Box<dyn Array>,
}
Available on crate feature io_parquet only.
Expand description

Arrow-deserialized parquet Statistics of a file

Fields

null_count: Box<dyn Array>

number of nulls. This is a UInt64Array for non-nested types

distinct_count: Box<dyn Array>

number of dictinct values. This is a UInt64Array for non-nested types

min_value: Box<dyn Array>

Minimum

max_value: Box<dyn Array>

Maximum

Trait Implementations

Formats the value using the given formatter. Read more

This method tests for self and other values to be equal, and is used by ==. Read more

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.