本文整理汇总了C#中IMigration.Down方法的典型用法代码示例。如果您正苦于以下问题：C# IMigration.Down方法的具体用法？C# IMigration.Down怎么用？C# IMigration.Down使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IMigration的用法示例。
在下文中一共展示了IMigration.Down方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: RemoveMigration
private void RemoveMigration(IMigration migration, MigrationAttribute attr) {
// we're removing this one
_logger.MigrateDown(Current, migration.Name);
if (! DryRun) {
migration.Down();
_provider.MigrationUnApplied(attr.Version);
_provider.Commit();
migration.AfterDown();
}
}示例2: ApplyMigration
/// <summary>
/// Applies the specified <paramref name="migration"/> within the
/// specified <paramref name="context"/>.
/// </summary>
/// <param name="migration">The migration to apply.</param>
/// <param name="direction">The migration direction.</param>
/// <param name="context">The context.</param>
protected virtual void ApplyMigration(IMigration migration, MigrationDirection direction, MigrationContext context)
{
//
// Notify environment
//
var beforeArgs = new BeforeMigrationEventArgs(migration.GetVersion(), migration, direction);
OnBeforeMigration(beforeArgs);
if (beforeArgs.Cancel) throw new Exception("environment cancelled migration");
//
// Generate model
//
Database model = new Database(context);
//
// Send SQL statements on flush notification
//
model.FlushChanges += delegate(object sender, EventArgs e)
{
foreach (string sql in context.SqlProvider.GenerateSqlCommands(model))
{
// Notify environment
var beforeSqlArgs = new BeforeSqlEventArgs(sql);
OnBeforeSql(beforeSqlArgs);
if (beforeSqlArgs.Cancel) throw new Exception("environment cancelled migration");
// Execute
SqlProcessor.ProcessMigrationStatement(context, sql);
// Notify environment
var afterSqlArgs = new AfterSqlEventArgs(sql, true);
OnAfterSql(afterSqlArgs);
}
};
//
// Run migration
//
if (direction == MigrationDirection.Up)
migration.Up(model);
else
migration.Down(model);
//
// Flush changes
//
model.Flush();
//
// Memorize migration
//
HistoryRepository.AddItem(context,
new MigrationHistoryItem()
{
Date = DateTime.Now,
Direction = direction,
Version = migration.GetVersion()
}
);
//
// Notify enviroment
//
var afterArgs = new AfterMigrationEventArgs(migration.GetVersion(), migration, direction, true);
OnAfterMigration(afterArgs);
}示例3: RemoveMigration
private void RemoveMigration(IMigration migration, MigrationAttribute attr)
{
// we're removing this one
_logger.MigrateDown(Current, migration.Name);
if (! DryRun)
{
migration.Down();
var v = attr.GetVersion(migration.GetType());
_provider.MigrationUnApplied(v.Value, v.Key);
_provider.Commit();
migration.AfterDown();
}
}示例4: RemoveMigration
void RemoveMigration(IMigration migration, MigrationAttribute attr)
{
// we're removing this one
_logger.MigrateDown(Current, migration.Name);
if (! DryRun)
{
var tProvider = _provider as TransformationProvider;
if (tProvider != null)
tProvider.CurrentMigration = migration;
migration.Down();
_provider.MigrationUnApplied(attr.Version, attr.Scope);
_provider.Commit();
migration.AfterDown();
}
}