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| 1 | <?php |
| 2 | |
| 3 | namespace Flow\Search\Iterators; |
| 4 | |
| 5 | class HeaderIterator extends AbstractIterator { |
| 6 | /** |
| 7 | * @inheritDoc |
| 8 | */ |
| 9 | protected function query() { |
| 10 | // get the current (=most recent, =max) revision id for all headers |
| 11 | return $this->dbr->select( |
| 12 | [ 'flow_revision', 'flow_workflow' ], |
| 13 | [ 'rev_id' => 'MAX(rev_id)', 'rev_type' ], |
| 14 | $this->conditions, |
| 15 | __METHOD__, |
| 16 | [ |
| 17 | 'ORDER BY' => 'rev_id ASC', |
| 18 | 'GROUP BY' => 'rev_type_id', |
| 19 | ], |
| 20 | [ |
| 21 | 'flow_workflow' => [ |
| 22 | 'INNER JOIN', |
| 23 | [ 'workflow_id = rev_type_id', 'rev_type' => 'header' ] |
| 24 | ], |
| 25 | ] |
| 26 | ); |
| 27 | } |
| 28 | } |