kaliop-uk / ezmigrationbundle

            // migration exists

            // fail if it was already executing or already done

            if ($existingMigrationData['status'] == Migration::STATUS_STARTED) {

                // commit to release the lock

                $conn->commit();

                throw new \Exception("Migration '{$migrationDefinition->name}' can not be $action as it is already executing");

            }

            if ($existingMigrationData['status'] == Migration::STATUS_DONE) {

                // commit to release the lock

                $conn->commit();

                $conn->commit();

                throw new \Exception("Migration '{$migrationDefinition->name}' can not be $action as it is already executing");

            }

            if ($existingMigrationData['status'] == Migration::STATUS_DONE) {

                // commit to release the lock

                $conn->commit();

                throw new \Exception("Migration '{$migrationDefinition->name}' can not be $action as it was already executed");

            }

            if ($existingMigrationData['status'] == Migration::STATUS_SKIPPED) {

                // commit to release the lock

                $conn->commit();

                $conn->commit();

                throw new \Exception("Migration '{$migrationDefinition->name}' can not be $action as it was already executed");

            }

            if ($existingMigrationData['status'] == Migration::STATUS_SKIPPED) {

                // commit to release the lock

                $conn->commit();

                throw new \Exception("Migration '{$migrationDefinition->name}' can not be $action as it was already skipped");

            }

            // do not set migration start date if we are skipping it

            $migration = new Migration(