Migration_26.php
| 1 | <?php |
| 2 | |
| 3 | namespace IAWP\Migrations; |
| 4 | |
| 5 | use IAWP\Query; |
| 6 | /** @internal */ |
| 7 | class Migration_26 extends \IAWP\Migrations\Step_Migration |
| 8 | { |
| 9 | /** |
| 10 | * @return int |
| 11 | */ |
| 12 | protected function database_version() : int |
| 13 | { |
| 14 | return 26; |
| 15 | } |
| 16 | /** |
| 17 | * @return array |
| 18 | */ |
| 19 | protected function queries() : array |
| 20 | { |
| 21 | return [$this->set_empty_values_to_null('cached_title'), $this->set_empty_values_to_null('cached_url'), $this->set_empty_values_to_null('cached_type'), $this->set_empty_values_to_null('cached_type_label'), $this->set_empty_values_to_null('cached_author'), $this->set_empty_values_to_null('cached_category'), $this->nullify_authors_with_id_of_zero()]; |
| 22 | } |
| 23 | private function set_empty_values_to_null(string $column) : string |
| 24 | { |
| 25 | $resources_table = Query::get_table_name(Query::RESOURCES); |
| 26 | return "\n UPDATE {$resources_table} SET {$column} = NULL WHERE {$column} = '' \n "; |
| 27 | } |
| 28 | private function nullify_authors_with_id_of_zero() : string |
| 29 | { |
| 30 | $resources_table = Query::get_table_name(Query::RESOURCES); |
| 31 | return "\n UPDATE {$resources_table} SET cached_author_id = NULL, cached_author = NULL WHERE cached_author_id = 0\n "; |
| 32 | } |
| 33 | } |
| 34 |