database-migration 0.2.0

Database agnostic functions and data structures to build database migration tools.
Documentation 
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use crate::migration::ProblematicMigration;
use chrono::NaiveDateTime;

/// Result of a migration action.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Migrated {
    /// No migrations have been applied. The database is fully migrated already.
    Nothing,
    /// Migrated the database to the specified migration key (version).
    UpTo(NaiveDateTime),
    /// No forward migrations found in the migrations folder.
    NoForwardMigrationsFound,
}

/// Result of a revert action.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Reverted {
    /// No migrations have been reverted. The database is completely reverted already.
    Nothing,
    /// Reverted the database to the specified migration key (version).
    DownTo(NaiveDateTime),
    /// The database has been reverted completely.
    Completely,
    /// No backward migrations found in the migrations folder.
    NoBackwardMigrationsFound,
}

/// Result of a verify action.
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum Verified {
    /// No problems have been found.
    NoProblemsFound,
    /// Problematic migrations found.
    FoundProblems(Vec<ProblematicMigration>),
    /// No migrations found in the migrations folder.
    NoMigrationsFound,
}