Enum sql_ast::ast::ColumnOption

pub enum ColumnOption {
    Null,
    NotNull,
    Default(Expr),
    Unique {
        is_primary: bool,
    },
    ForeignKey {
        foreign_table: ObjectName,
        referred_columns: Vec<Ident>,
    },
    Check(Expr),
}

ColumnOptions are modifiers that follow a column definition in a CREATE TABLE statement.

Variants

Null

NULL

NotNull

NOT NULL

Default(Expr)

DEFAULT <restricted-expr>

Unique

{ PRIMARY KEY | UNIQUE }

Fields of Unique

is_primary: bool

ForeignKey

A referential integrity constraint ([FOREIGN KEY REFERENCES <foreign_table> (<referred_columns>)).

Fields of ForeignKey

foreign_table: ObjectNamereferred_columns: Vec<Ident>

Check(Expr)

Trait Implementations

impl Clone for ColumnOption

fn clone(&self) -> ColumnOption

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnOption

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

Formats the value using the given formatter.

impl Display for ColumnOption

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

Formats the value using the given formatter.

impl Hash for ColumnOption

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl PartialEq<ColumnOption> for ColumnOption

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

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

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

This method tests for !=.

impl Eq for ColumnOption

impl StructuralEq for ColumnOption

impl StructuralPartialEq for ColumnOption