From: Joas Schilling <coding@schilljs.com>
Date: Mon, 7 Sep 2020 11:14:49 +0000 (+0200)
Subject: Warn about adding NotNull columns with nullable default
X-Git-Tag: v20.0.0beta4~43^2
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=50230847ce47133dd0be170457f24bf5e6ac4ab8;p=nextcloud-server.git

Warn about adding NotNull columns with nullable default

Signed-off-by: Joas Schilling <coding@schilljs.com>
---

diff --git a/lib/private/DB/MigrationService.php b/lib/private/DB/MigrationService.php
index 42204dd155a..cd0280162d3 100644
--- a/lib/private/DB/MigrationService.php
+++ b/lib/private/DB/MigrationService.php
@@ -513,6 +513,11 @@ class MigrationService {
 				if ((!$sourceTable instanceof Table || !$sourceTable->hasColumn($thing->getName())) && \strlen($thing->getName()) > 30) {
 					throw new \InvalidArgumentException('Column name "'  . $table->getName() . '"."' . $thing->getName() . '" is too long.');
 				}
+
+				if ($thing->getNotnull() && $thing->getDefault() === ''
+					&& $sourceTable instanceof Table && !$sourceTable->hasColumn($thing->getName())) {
+					throw new \InvalidArgumentException('Column name "'  . $table->getName() . '"."' . $thing->getName() . '" is NotNull, but has empty string or null as default.');
+				}
 			}
 
 			foreach ($table->getIndexes() as $thing) {