Enum Expr 

pub enum Expr {
    Literal(Value),
    Column(String),
    QualifiedWildcard(String),
    ColumnRef {
        relation: String,
        column: String,
    },
    Alias {
        expr: Box<Expr>,
        alias: String,
    },
    Function {
        name: String,
        args: Vec<Expr>,
        distinct: bool,
    },
    Binary {
        left: Box<Expr>,
        op: BinOp,
        right: Box<Expr>,
    },
    Unary {
        op: UnaryOp,
        expr: Box<Expr>,
    },
    IsNull {
        expr: Box<Expr>,
        negated: bool,
    },
}

Variants

Literal(Value)

Column(String)

QualifiedWildcard(String)

ColumnRef

Fields

relation: String

column: String

Alias

Fields

expr: Box<Expr>

alias: String

Function

Fields

name: String

args: Vec<Expr>

distinct: bool

Binary

Fields

left: Box<Expr>

op: BinOp

right: Box<Expr>

Unary

Fields

op: UnaryOp

expr: Box<Expr>

IsNull

Fields

expr: Box<Expr>

negated: bool

Trait Implementations

impl Clone for Expr

fn clone(&self) -> Expr

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Expr

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

Formats the value using the given formatter.

impl PartialEq for Expr

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Expr