Function eval_function

nodedb-query/src/functions/mod.rs:22–52

Evaluate a scalar function call.

(name: &str, args: &[Value])

/// Evaluate a scalar function call.
pub fn eval_function(name: &str, args: &[Value]) -> Value {
    if let Some(v) = string::try_eval(name, args) {
        return v;
    }
    if let Some(v) = math::try_eval(name, args) {
        return v;
    }
    if let Some(v) = conditional::try_eval(name, args) {
        return v;
    }
    if let Some(v) = id::try_eval(name, args) {
        return v;
    }
    if let Some(v) = datetime::try_eval(name, args) {
        return v;
    }
    if let Some(v) = json::try_eval(name, args) {
        return v;
    }
    if let Some(v) = types::try_eval(name, args) {
        return v;
    }
    if let Some(v) = array::try_eval(name, args) {
        return v;
    }
    if let Some(v) = fts::try_eval_fts(name, args) {
        return v;
    }
    // Geo / Spatial functions — delegated to geo_functions module.
    crate::geo_functions::eval_geo_function(name, args).unwrap_or(Value::Null)
}

#[cfg(test)]
mod tests {