rustyroad 1.7.0

Rusty Road is a framework written in Rust that is based on Ruby on Rails. It is designed to provide the familiar conventions and ease of use of Ruby on Rails, while also taking advantage of the performance and efficiency of Rust.
Documentation 
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//! Naming for backfill triggers and their marker column.

/// Column marking rows the backfill has not yet processed.
pub const NEEDS_BACKFILL_COLUMN: &str = "_rustyroad_needs_backfill";

/// Prefix for generated trigger functions and triggers.
const TRIGGER_PREFIX: &str = "_rustyroad_trigger";

/// Direction a trigger rewrites values in.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Direction {
    /// Populates the new column from the old, for readers of the new version.
    Up,
    /// Populates the old column from the new, for readers of the old version.
    Down,
}

impl Direction {
    /// Returns the direction's SQL-visible label.
    pub fn label(self) -> &'static str {
        match self {
            Self::Up => "up",
            Self::Down => "down",
        }
    }
}

/// Returns the trigger function name for a table and physical column.
pub fn function_name(table: &str, physical_column: &str) -> String {
    format!("{TRIGGER_PREFIX}_{table}_{physical_column}")
}