Enum JoinType 

pub enum JoinType {
    Inner,
    Left,
    Right,
    Full,
    AsOf(Box<AsOfOptions>),
    Semi,
    Anti,
    IEJoin,
    Range,
    Cross,
}

Available on crate feature lazy only.

Variants

Inner

Left

Right

Full

AsOf(Box<AsOfOptions>)

Available on crate feature asof_join only.

Semi

Available on crate feature semi_anti_join only.

Anti

Available on crate feature semi_anti_join only.

IEJoin

Available on crate feature iejoin only.

Inequality join with two arbitrary predicates

Range

Available on crate feature iejoin only.

Inequality join with col ∈ [lo, hi] predicate

Cross

Implementations

impl JoinType

pub fn is_equi(&self) -> bool

pub fn is_semi_anti(&self) -> bool

pub fn is_semi(&self) -> bool

pub fn is_anti(&self) -> bool

pub fn is_asof(&self) -> bool

pub fn is_inner(&self) -> bool

pub fn is_cross(&self) -> bool

pub fn is_ie(&self) -> bool

pub fn is_range(&self) -> bool

pub fn emits_unmatched_left(&self) -> bool

Unmatched rows of the left input appear in the output.

pub fn emits_unmatched_right(&self) -> bool

Unmatched rows of the right input appear in the output.

pub fn supports_non_equi(&self) -> bool

Joins supported in join where with non-equi conditions

pub fn supports_non_equi_options( &self, options: &Option<JoinTypeOptions>, ) -> bool

Whether the physical join implementations can execute this how with the given (already-resolved) match-condition algorithm without silently dropping it.

Trait Implementations

impl Clone for JoinType

fn clone(&self) -> JoinType

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for JoinType

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

Formats the value using the given formatter.

impl Default for JoinType

fn default() -> JoinType

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for JoinType

fn deserialize<__D>( __deserializer: __D, ) -> Result<JoinType, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for JoinType

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

Formats the value using the given formatter.

impl From<JoinType> for JoinArgs

fn from(value: JoinType) -> JoinArgs

Converts to this type from the input type.

impl Hash for JoinType

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

where __H: Hasher,

Feeds this value into the given Hasher.

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

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for JoinType

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for JoinType

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for JoinType