Struct msi::Column

pub struct Column { /* fields omitted */ }

A database column.

Methods

impl Column

fn build(name: &str) -> ColumnBuilder

Begins building a new column with the given name.

Examples

let column = msi::Column::build("Foo").nullable().int16();
assert_eq!(column.name(), "Foo");
assert!(column.is_nullable());
assert_eq!(column.coltype(), msi::ColumnType::Int16);

fn name(&self) -> &str

Returns the name of the column.

fn coltype(&self) -> ColumnType

Returns the type of data stored in the column.

fn is_localizable(&self) -> bool

Returns true if values in this column can be localized.

fn is_nullable(&self) -> bool

Returns true if values in this column can be null.

fn is_primary_key(&self) -> bool

Returns true if this is primary key column.

fn value_range(&self) -> Option<(i32, i32)>

Returns the (min, max) integer value range for this column, if any.

fn category(&self) -> Option<ColumnCategory>

Returns the string value category for this column, if any.

fn enum_values(&self) -> Option<&[String]>

Returns the list of valid enum values for this column, if any.

fn is_valid_value(&self, value: &Value) -> bool

Returns true if the given value is valid for this column.

Trait Implementations

impl Clone for Column

fn clone(&self) -> Column

Returns a copy of the value.

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

Performs copy-assignment from source.