Method cast_to_double

graphlite/src/exec/executor.rs:5116–5133

Cast value to DOUBLE

(&self, value: Value)

    /// Cast value to DOUBLE
    fn cast_to_double(&self, value: Value) -> Result<Value, ExecutionError> {
        match value {
            Value::Number(n) => Ok(Value::Number(n)),
            Value::String(s) => match s.parse::<f64>() {
                Ok(n) => Ok(Value::Number(n)),
                Err(_) => Err(ExecutionError::RuntimeError(format!(
                    "Cannot cast '{}' to DOUBLE",
                    s
                ))),
            },
            Value::Boolean(b) => Ok(Value::Number(if b { 1.0 } else { 0.0 })),
            Value::Null => Ok(Value::Null),
            _ => Err(ExecutionError::RuntimeError(format!(
                "Cannot cast {:?} to DOUBLE",
                value.type_name()
            ))),
        }
    }

    /// Cast value to DECIMAL
    fn cast_to_decimal(