risingwave_frontend::expr

Trait Expr

Source 
pub trait Expr: Into<ExprImpl> {
    // Required methods
    fn return_type(&self) -> DataType;
    fn to_expr_proto(&self) -> ExprNode;
}
Expand description

the trait of bound expressions

Required Methods§

Source

fn return_type(&self) -> DataType

Get the return type of the expr

Source

fn to_expr_proto(&self) -> ExprNode

Serialize the expression

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§