plugin.tt_news.displayList.searchFieldList has no effect

[birgitberlin]

file: tt_news/Classes/Database/Database.php
line 41: $fields['Field'] = $column['Field']; // returns the last column "slug"

public function admin_get_fields($tableName) {
$columns = $this->getConnection($tableName)->executeQuery('SHOW COLUMNS FROM ' . $tableName)->fetchAll();
$fields = [];
if (is_array($columns)) {
foreach ($columns as $column) {
//$fields['Field'] = $column['Field']; // returns the last columns "slug"
$fields[] = $column['Field'];
}
}
return $fields;
}