Enum prql_compiler::ir::rq::ExprKind

pub enum ExprKind {
    ColumnRef(CId),
    Literal(Literal),
    SString(Vec<InterpolateItem<Expr>>),
    Case(Vec<SwitchCase<Expr>>),
    Operator {
        name: String,
        args: Vec<Expr>,
    },
    Param(String),
    Array(Vec<Expr>),
}

Variants

ColumnRef(CId)

Literal(Literal)

SString(Vec<InterpolateItem<Expr>>)

Case(Vec<SwitchCase<Expr>>)

Operator

Fields

name: String

args: Vec<Expr>

Param(String)

Placeholder for expressions provided after compilation.

Array(Vec<Expr>)

Implementations

impl ExprKind

pub fn is_column_ref(&self) -> bool

Returns true if this is a ExprKind::ColumnRef, otherwise false

pub fn as_column_ref_mut(&mut self) -> Option<&mut CId>

Optionally returns mutable references to the inner fields if this is a ExprKind::ColumnRef, otherwise None

pub fn as_column_ref(&self) -> Option<&CId>

Optionally returns references to the inner fields if this is a ExprKind::ColumnRef, otherwise None

pub fn into_column_ref(self) -> Result<CId, ExprKind>

Returns the inner fields if this is a ExprKind::ColumnRef, otherwise returns back the enum in the Err case of the result

pub fn is_literal(&self) -> bool

Returns true if this is a ExprKind::Literal, otherwise false

pub fn as_literal_mut(&mut self) -> Option<&mut Literal>

Optionally returns mutable references to the inner fields if this is a ExprKind::Literal, otherwise None

pub fn as_literal(&self) -> Option<&Literal>

Optionally returns references to the inner fields if this is a ExprKind::Literal, otherwise None

pub fn into_literal(self) -> Result<Literal, ExprKind>

Returns the inner fields if this is a ExprKind::Literal, otherwise returns back the enum in the Err case of the result

pub fn is_s_string(&self) -> bool

Returns true if this is a ExprKind::SString, otherwise false

pub fn as_s_string_mut(&mut self) -> Option<&mut Vec<InterpolateItem<Expr>>>

Optionally returns mutable references to the inner fields if this is a ExprKind::SString, otherwise None

pub fn as_s_string(&self) -> Option<&Vec<InterpolateItem<Expr>>>

Optionally returns references to the inner fields if this is a ExprKind::SString, otherwise None

pub fn into_s_string(self) -> Result<Vec<InterpolateItem<Expr>>, ExprKind>

Returns the inner fields if this is a ExprKind::SString, otherwise returns back the enum in the Err case of the result

pub fn is_case(&self) -> bool

Returns true if this is a ExprKind::Case, otherwise false

pub fn as_case_mut(&mut self) -> Option<&mut Vec<SwitchCase<Expr>>>

Optionally returns mutable references to the inner fields if this is a ExprKind::Case, otherwise None

pub fn as_case(&self) -> Option<&Vec<SwitchCase<Expr>>>

Optionally returns references to the inner fields if this is a ExprKind::Case, otherwise None

pub fn into_case(self) -> Result<Vec<SwitchCase<Expr>>, ExprKind>

Returns the inner fields if this is a ExprKind::Case, otherwise returns back the enum in the Err case of the result

pub fn is_operator(&self) -> bool

Returns true if this is a ExprKind::Operator, otherwise false

pub fn as_operator_mut(&mut self) -> Option<(&mut String, &mut Vec<Expr>)>

Optionally returns mutable references to the inner fields if this is a ExprKind::Operator, otherwise None

pub fn as_operator(&self) -> Option<(&String, &Vec<Expr>)>

Optionally returns references to the inner fields if this is a ExprKind::Operator, otherwise None

pub fn into_operator(self) -> Result<(String, Vec<Expr>), ExprKind>

Returns the inner fields if this is a ExprKind::Operator, otherwise returns back the enum in the Err case of the result

pub fn is_param(&self) -> bool

Returns true if this is a ExprKind::Param, otherwise false

pub fn as_param_mut(&mut self) -> Option<&mut String>

Optionally returns mutable references to the inner fields if this is a ExprKind::Param, otherwise None

pub fn as_param(&self) -> Option<&String>

Optionally returns references to the inner fields if this is a ExprKind::Param, otherwise None

pub fn into_param(self) -> Result<String, ExprKind>

Returns the inner fields if this is a ExprKind::Param, otherwise returns back the enum in the Err case of the result

pub fn is_array(&self) -> bool

Returns true if this is a ExprKind::Array, otherwise false

pub fn as_array_mut(&mut self) -> Option<&mut Vec<Expr>>

Optionally returns mutable references to the inner fields if this is a ExprKind::Array, otherwise None

pub fn as_array(&self) -> Option<&Vec<Expr>>

Optionally returns references to the inner fields if this is a ExprKind::Array, otherwise None

pub fn into_array(self) -> Result<Vec<Expr>, ExprKind>

Returns the inner fields if this is a ExprKind::Array, otherwise returns back the enum in the Err case of the result

Trait Implementations

impl Clone for ExprKind

fn clone(&self) -> ExprKind

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ExprKind

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ExprKind

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for ExprKind

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

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

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for ExprKind

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 ExprKind