Enum PartitionBound 

pub enum PartitionBound {
    Default,
    Hash {
        modulus: i32,
        remainder: i32,
    },
    List(Vec<Option<String>>),
    Range {
        lower: Vec<RangeDatum>,
        upper: Vec<RangeDatum>,
    },
}

The bound of a partition, relpartbound.

Variants

Default

DEFAULT.

Hash

FOR VALUES WITH (MODULUS m, REMAINDER r).

Fields

modulus: i32

The modulus.

remainder: i32

The remainder.

List(Vec<Option<String>>)

FOR VALUES IN (...): each constant in the form of the analyzer, or None for NULL.

Range

FOR VALUES FROM (...) TO (...).

Fields

lower: Vec<RangeDatum>

The lower bound, one datum for each key column.

upper: Vec<RangeDatum>

The upper bound, one datum for each key column.

Trait Implementations

impl Clone for PartitionBound

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PartitionBound

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

Formats the value using the given formatter.

impl Eq for PartitionBound

impl PartialEq for PartitionBound

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for PartitionBound