Enum SqlExpr

pub enum SqlExpr {
    Lit(SqlLiteral),
    Var(SqlIdent),
    Param(Parameter),
    Field(SqlIdent, SqlIdent),
    Bin(Box<SqlExpr>, Box<SqlExpr>, BinOp),
    Log(Box<SqlExpr>, Box<SqlExpr>, LogOp),
}

A scalar SQL expression

Variants

Lit(SqlLiteral)

A constant expression

Var(SqlIdent)

Unqualified column ref

Param(Parameter)

A parameter prefixed with :

Field(SqlIdent, SqlIdent)

Qualified column ref

Bin(Box<SqlExpr>, Box<SqlExpr>, BinOp)

A binary infix expression

Log(Box<SqlExpr>, Box<SqlExpr>, LogOp)

A binary logic expression

Implementations

impl SqlExpr

pub fn qualify_vars(self, with: SqlIdent) -> Self

pub fn has_unqualified_vars(&self) -> bool

pub fn has_parameter(&self) -> bool

Is this AST parameterized? We need to know in order to hash subscription queries correctly.

pub fn resolve_sender(self, sender_identity: Identity) -> Self

Replace the :sender parameter with the Identity it represents

Trait Implementations

impl Debug for SqlExpr

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

Formats the value using the given formatter.

impl From<ProjectExpr> for SqlExpr

fn from(value: ProjectExpr) -> Self

Converts to this type from the input type.