Enum ColumnConstraint 

pub enum ColumnConstraint {
    PrimaryKey {
        span: Range<usize>,
    },
    NotNull {
        span: Range<usize>,
    },
    Nullable {
        span: Range<usize>,
    },
    Unique {
        span: Range<usize>,
    },
    Default(Expression, Range<usize>),
    Check(Expression, Range<usize>),
    AutoIncrement {
        span: Range<usize>,
    },
}

Represents a constraint on a column.

Variants

PrimaryKey

PRIMARY KEY constraint.

Fields

span: Range<usize>

NotNull

NOT NULL constraint.

Fields

span: Range<usize>

Nullable

NULL constraint.

Fields

span: Range<usize>

Unique

UNIQUE constraint.

Fields

span: Range<usize>

Default(Expression, Range<usize>)

DEFAULT constraint with an expression.

Check(Expression, Range<usize>)

CHECK constraint with an expression.

AutoIncrement

AUTOINCREMENT constraint.

Fields

span: Range<usize>

Trait Implementations

impl AsDocument for ColumnConstraint

Available on crate feature oak-pretty-print only.

fn as_document(&self) -> Document<'_>

Converts this type to a document for pretty printing.

impl Clone for ColumnConstraint

fn clone(&self) -> ColumnConstraint

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnConstraint

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ColumnConstraint

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ColumnConstraint

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl ToSource for ColumnConstraint

fn to_source(&self, buffer: &mut SourceBuffer)

Writes the source code representation of this type to the provided buffer.

fn to_source_string(&self) -> String

Converts this type to a source code string.