void Generate(EnableChangeTrackingForDatabaseOperation operation, IModel model, MigrationCommandListBuilder builder)
{
var sqlHelper = Dependencies.SqlGenerationHelper;
var autoCleanUp = operation.AutoCleanup ? "ON" : "OFF";
builder
.Append("ALTER DATABASE ")
.Append(sqlHelper.DelimitIdentifier(Dependencies.CurrentContext.Context.Database.GetDbConnection().Database))
.Append(" SET CHANGE_TRACKING = ON ")
.Append($"(CHANGE_RETENTION = {operation.RetentionDays} DAYS, AUTO_CLEANUP = {autoCleanUp})")
.AppendLine(sqlHelper.StatementTerminator)
.EndCommand(true);
}
protected override void Generate(MigrationOperation operation, IModel model, MigrationCommandListBuilder builder)
{
Action generateAction = operation switch
{
EnableChangeTrackingForDatabaseOperation op => () => Generate(op, model, builder),
DisableChangeTrackingForDatabaseOperation op => () => Generate(op, model, builder),
EnableChangeTrackingForTableOperation op => () => Generate(op, model, builder),
DisableChangeTrackingForTableOperation op => () => Generate(op, model, builder),
_ => () => base.Generate(operation, model, builder)
};
generateAction();
}
}