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<?php |
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|
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namespace Yoast\WP\SEO\Config\Migrations; |
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|
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use Yoast\WP\Lib\Migrations\Migration; |
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use Yoast\WP\Lib\Model; |
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|
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/** |
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* Class DeleteDuplicateIndexables. |
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*/ |
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class DeleteDuplicateIndexables extends Migration { |
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|
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/** |
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* The plugin this migration belongs to. |
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* |
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* @var string |
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*/ |
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public static $plugin = 'free'; |
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|
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/** |
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* Migration up. |
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* |
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* @return void |
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*/ |
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public function up() { |
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$table_name = $this->get_table_name(); |
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|
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/* |
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* Deletes duplicate indexables that have the same object_id and object_type. |
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* The rows with a higher ID are deleted as those should be unused and could be outdated. |
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*/ |
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$this->query( 'DELETE wyi FROM ' . $table_name . ' wyi INNER JOIN ' . $table_name . ' wyi2 WHERE wyi2.object_id = wyi.object_id AND wyi2.object_type = wyi.object_type AND wyi2.id < wyi.id;' ); |
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} |
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|
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/** |
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* Migration down. |
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* |
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* @return void |
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*/ |
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public function down() { |
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// Nothing to do. |
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} |
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|
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/** |
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* Retrieves the table name to use. |
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* |
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* @return string The table name to use. |
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*/ |
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protected function get_table_name() { |
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return Model::get_table_name( 'Indexable' ); |
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} |
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} |
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|
