3 files changed, 154 insertions, 3 deletions
diff --git a/core/Migrations/Version24000Date20220404230027.php b/core/Migrations/Version24000Date20220404230027.php
index d53a43af959..26af9a4c6cc 100644
--- a/core/Migrations/Version24000Date20220404230027.php
+++ b/core/Migrations/Version24000Date20220404230027.php
@@ -52,11 +52,15 @@ class Version24000Date20220404230027 extends SimpleMigrationStep {
 				'notnull' => true,
 				'length' => 50,
 			]);
-			$table->addColumn('metadata', Types::JSON, [
-				'notnull' => true,
+			$table->addColumn('value', Types::TEXT, [
+				'notnull' => false,
+				'default' => '',
 			]);
 			$table->setPrimaryKey(['id', 'group_name'], 'file_metadata_idx');
+
+			return $schema;
 		}
-		return $schema;
+
+		return null;
 	}
 }
diff --git a/core/Migrations/Version27000Date20230309104325.php b/core/Migrations/Version27000Date20230309104325.php
new file mode 100644
index 00000000000..e11b37b4b29
--- /dev/null
+++ b/core/Migrations/Version27000Date20230309104325.php
@@ -0,0 +1,90 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2023 Louis Chmn <louis@chmn.me>
+ *
+ * @author Louis Chmn <louis@chmn.me>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Core\Migrations;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Migrate oc_file_metadata.metadata as JSON type to oc_file_metadata.value a STRING type
+ * @see \OC\Metadata\FileMetadata
+ */
+class Version27000Date20230309104325 extends SimpleMigrationStep {
+	public function __construct(
+		private IDBConnection $connection
+	) {
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+		$metadataTable = $schema->getTable('file_metadata');
+
+		if ($metadataTable->hasColumn('value')) {
+			return null;
+		}
+
+		$metadataTable->addColumn('value', Types::TEXT, [
+			'notnull' => false,
+			'default' => '',
+		]);
+		return $schema;
+	}
+
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return void
+	 */
+	public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+		$metadataTable = $schema->getTable('file_metadata');
+
+		if (!$metadataTable->hasColumn('metadata')) {
+			return;
+		}
+
+		$this->connection
+			->getQueryBuilder()
+			->update('file_metadata')
+			->set('value', 'metadata')
+			->executeStatement();
+	}
+}
diff --git a/core/Migrations/Version27000Date20230309104802.php b/core/Migrations/Version27000Date20230309104802.php
new file mode 100644
index 00000000000..4bd50fe0396
--- /dev/null
+++ b/core/Migrations/Version27000Date20230309104802.php
@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2023 Louis Chmn <louis@chmn.me>
+ *
+ * @author Louis Chmn <louis@chmn.me>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Core\Migrations;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Migrate oc_file_metadata.metadata as JSON type to oc_file_metadata.value a STRING type
+ * @see \OC\Metadata\FileMetadata
+ */
+class Version27000Date20230309104802 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+		$metadataTable = $schema->getTable('file_metadata');
+
+		if ($metadataTable->hasColumn('metadata')) {
+			$metadataTable->dropColumn('metadata');
+			return $schema;
+		}
+
+		return null;
+	}
+}