Struct VarLenContext 

pub struct VarLenContext { /* private fields */ }

The context of a variable-length column: its underlying type, size and optional collation.

Implementations

impl VarLenContext

pub fn new(type: VarLenType, len: usize, collation: Option<Collation>) -> Self

Create a new variable-length context from a type, length and optional collation.

pub fn type(&self) -> VarLenType

Get the var len context’s r#type.

pub fn len(&self) -> usize

Get the var len context’s len.

pub fn is_empty(&self) -> bool

true if the column reserves no length.

pub fn collation(&self) -> Option<Collation>

Get the var len context’s collation.

Trait Implementations

impl Clone for VarLenContext

fn clone(&self) -> VarLenContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for VarLenContext

impl Debug for VarLenContext

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

Formats the value using the given formatter.

impl Eq for VarLenContext

impl PartialEq for VarLenContext

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for VarLenContext