Struct ColumnLayout 

pub struct ColumnLayout {
    pub name: String,
    pub kind: String,
    pub pages: u64,
    pub memberships: u64,
    pub sieves: u64,
    pub dictionary: u64,
}

Where one column’s bytes went, taken from the directory rather than by reading pages.

Fields

name: String

The column’s name, so a report does not have to carry the field list beside this.

kind: String

The type, spelled the way the catalog spells it.

pages: u64

Every stripe’s page of this column added up, which is the encoded data itself.

memberships: u64

Every stripe’s exact code membership page for this column.

sieves: u64

Every stripe’s membership sieve page for this column.

dictionary: u64

The table wide dictionary of this column, if it has one.

Implementations

impl ColumnLayout

pub fn total(&self) -> u64

Everything this column costs, which is what the file would lose if the column went.

Trait Implementations

impl Clone for ColumnLayout

fn clone(&self) -> ColumnLayout

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnLayout

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

Formats the value using the given formatter.