liarsdice::database::Migration class

#include <liarsdice/database/migration.hpp>

Represents a database migration.

Derived classes

class FileMigration

Load migration from file.

Public types

using MigrationFunc = std::function<void(DatabaseManager&)>

Constructors, destructors, conversion operators

Migration(int version, const std::string& description, const std::string& up_sql, const std::string& down_sql = "")

Migration(int version, const std::string& description, MigrationFunc up_func, MigrationFunc down_func = nullptr)

Public functions

auto get_version() const -> const SchemaVersion&

Get the schema version info.

void apply(DatabaseManager& db)

Apply the migration (upgrade)

void rollback(DatabaseManager& db)

Rollback the migration (downgrade)

auto is_reversible() const -> bool

Check if this migration can be rolled back.

auto get_up_sql() const -> const std::string&

Get the SQL for upgrade.

auto get_down_sql() const -> const std::string&

Get the SQL for downgrade.