Fix filtering in table listing

inc/console/migration/utf8mb4command.class.php

@@ -123,7 +123,7 @@ class Utf8mb4Command extends AbstractCommand {
    private function upgradeRowFormat(): void {
 
       $table_iterator = $this->db->listTables(
-         'glpi_%',
+         'glpi\_%',
          [
             'row_format'   => ['Compact', 'Redundant'],
          ]

inc/dbmysql.class.php

@@ -595,7 +595,7 @@ class DBmysql {
          'FROM'       => 'information_schema.tables',
          'WHERE'     => [
             'information_schema.tables.table_schema' => $this->dbdefault,
-            'information_schema.tables.table_name'   => ['LIKE', 'glpi_%'],
+            'information_schema.tables.table_name'   => ['LIKE', 'glpi\_%'],
             'information_schema.tables.table_type'    => 'BASE TABLE',
             ['NOT' => ['information_schema.tables.table_collation' => 'utf8mb4_unicode_ci']],
          ],
@@ -623,7 +623,7 @@ class DBmysql {
          ],
          'WHERE'     => [
             'information_schema.tables.table_schema' => $this->dbdefault,
-            'information_schema.tables.table_name'   => ['LIKE', 'glpi_%'],
+            'information_schema.tables.table_name'   => ['LIKE', 'glpi\_%'],
             'information_schema.tables.table_type'    => 'BASE TABLE',
             ['NOT' => ['information_schema.columns.collation_name' => null]],
             ['NOT' => ['information_schema.columns.collation_name' => 'utf8mb4_unicode_ci']]

install/install.php

@@ -579,7 +579,7 @@ function update1($DBname) {
       include_once (GLPI_CONFIG_DIR . "/config_db.php");
       global $DB;
       $DB = new DB();
-      if ($DB->listTables('glpi_%', ['table_collation' => 'utf8mb4_unicode_ci'])->count() > 0) {
+      if ($DB->listTables('glpi\_%', ['table_collation' => 'utf8mb4_unicode_ci'])->count() > 0) {
          // Use utf8mb4 charset for update process if at least one table already uses this charset.
          if ($success = DBConnection::updateConfigProperty('use_utf8mb4', true)) {
             $DB->use_utf8mb4 = true;