Struct ScalarSqlFunction 

pub struct ScalarSqlFunction {
    pub name: String,
    pub params: Vec<String>,
    /* private fields */
}

A scalar SQL function definition: its (lower-cased) name, ordered parameter names, and the parsed body expression.

Fields

name: String

params: Vec<String>

Implementations

impl ScalarSqlFunction

pub fn new( name: &str, params: &[String], body_sql: &str, ) -> Result<Self, String>

Build from a name, parameter names, and a body SQL expression (e.g. "x * 1.1"). Parameter/function names are matched case-insensitively.

Trait Implementations

impl Clone for ScalarSqlFunction

fn clone(&self) -> ScalarSqlFunction

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ScalarSqlFunction

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

Formats the value using the given formatter.