| @@ 660-695 (lines=36) @@ | ||
| 657 | /** | |
| 658 |      * {@inheritdoc} | |
| 659 | */ | |
| 660 | public function dropForeignKey($tableName, $columns, $constraint = null) | |
| 661 |     { | |
| 662 |         if (is_string($columns)) { | |
| 663 | $columns = [$columns]; // str to array | |
| 664 | } | |
| 665 | ||
| 666 |         if ($constraint) { | |
| 667 | $this->execute( | |
| 668 | sprintf( | |
| 669 | 'ALTER TABLE %s DROP FOREIGN KEY %s', | |
| 670 | $this->quoteTableName($tableName), | |
| 671 | $constraint | |
| 672 | ) | |
| 673 | ); | |
| 674 | ||
| 675 | return; | |
| 676 |         } else { | |
| 677 |             foreach ($columns as $column) { | |
| 678 | $rows = $this->fetchAll(sprintf( | |
| 679 | "SELECT | |
| 680 | CONSTRAINT_NAME | |
| 681 | FROM information_schema.KEY_COLUMN_USAGE | |
| 682 | WHERE REFERENCED_TABLE_SCHEMA = DATABASE() | |
| 683 | AND REFERENCED_TABLE_NAME IS NOT NULL | |
| 684 | AND TABLE_NAME = '%s' | |
| 685 | AND COLUMN_NAME = '%s' | |
| 686 | ORDER BY POSITION_IN_UNIQUE_CONSTRAINT", | |
| 687 | $tableName, | |
| 688 | $column | |
| 689 | )); | |
| 690 |                 foreach ($rows as $row) { | |
| 691 | $this->dropForeignKey($tableName, $columns, $row['CONSTRAINT_NAME']); | |
| 692 | } | |
| 693 | } | |
| 694 | } | |
| 695 | } | |
| 696 | ||
| 697 | /** | |
| 698 |      * {@inheritdoc} | |
| @@ 683-705 (lines=23) @@ | ||
| 680 | /** | |
| 681 |      * {@inheritdoc} | |
| 682 | */ | |
| 683 | public function dropIndex($tableName, $columns) | |
| 684 |     { | |
| 685 |         if (is_string($columns)) { | |
| 686 | $columns = [$columns]; // str to array | |
| 687 | } | |
| 688 | ||
| 689 | $indexes = $this->getIndexes($tableName); | |
| 690 |         $columns = array_map('strtolower', $columns); | |
| 691 | ||
| 692 |         foreach ($indexes as $indexName => $index) { | |
| 693 | $a = array_diff($columns, $index['columns']); | |
| 694 |             if (empty($a)) { | |
| 695 | $this->execute( | |
| 696 | sprintf( | |
| 697 | 'DROP INDEX %s ON %s', | |
| 698 | $this->quoteColumnName($indexName), | |
| 699 | $this->quoteTableName($tableName) | |
| 700 | ) | |
| 701 | ); | |
| 702 | ||
| 703 | return; | |
| 704 | } | |
| 705 | } | |
| 706 | } | |
| 707 | ||
| 708 | /** | |
| @@ 807-844 (lines=38) @@ | ||
| 804 | /** | |
| 805 |      * {@inheritdoc} | |
| 806 | */ | |
| 807 | public function dropForeignKey($tableName, $columns, $constraint = null) | |
| 808 |     { | |
| 809 |         if (is_string($columns)) { | |
| 810 | $columns = [$columns]; // str to array | |
| 811 | } | |
| 812 | ||
| 813 |         if ($constraint) { | |
| 814 | $this->execute( | |
| 815 | sprintf( | |
| 816 | 'ALTER TABLE %s DROP CONSTRAINT %s', | |
| 817 | $this->quoteTableName($tableName), | |
| 818 | $constraint | |
| 819 | ) | |
| 820 | ); | |
| 821 | ||
| 822 | return; | |
| 823 |         } else { | |
| 824 |             foreach ($columns as $column) { | |
| 825 | $rows = $this->fetchAll(sprintf( | |
| 826 | "SELECT | |
| 827 | tc.constraint_name, | |
| 828 | tc.table_name, kcu.column_name, | |
| 829 | ccu.table_name AS referenced_table_name, | |
| 830 | ccu.column_name AS referenced_column_name | |
| 831 | FROM | |
| 832 | information_schema.table_constraints AS tc | |
| 833 | JOIN information_schema.key_column_usage AS kcu ON tc.constraint_name = kcu.constraint_name | |
| 834 | JOIN information_schema.constraint_column_usage AS ccu ON ccu.constraint_name = tc.constraint_name | |
| 835 | WHERE constraint_type = 'FOREIGN KEY' AND tc.table_name = '%s' and ccu.column_name='%s' | |
| 836 | ORDER BY kcu.ordinal_position", | |
| 837 | $tableName, | |
| 838 | $column | |
| 839 | )); | |
| 840 |                 foreach ($rows as $row) { | |
| 841 | $this->dropForeignKey($tableName, $columns, $row['constraint_name']); | |
| 842 | } | |
| 843 | } | |
| 844 | } | |
| 845 | } | |
| 846 | ||
| 847 | /** | |
| @@ 720-753 (lines=34) @@ | ||
| 717 | /** | |
| 718 |      * {@inheritdoc} | |
| 719 | */ | |
| 720 | public function dropForeignKey($tableName, $columns, $constraint = null) | |
| 721 |     { | |
| 722 |         if (is_string($columns)) { | |
| 723 | $columns = [$columns]; // str to array | |
| 724 | } | |
| 725 | ||
| 726 |         if ($constraint) { | |
| 727 | $this->execute( | |
| 728 | sprintf( | |
| 729 | 'ALTER TABLE %s DROP CONSTRAINT %s', | |
| 730 | $this->quoteTableName($tableName), | |
| 731 | $constraint | |
| 732 | ) | |
| 733 | ); | |
| 734 |         } else { | |
| 735 |             foreach ($columns as $column) { | |
| 736 | $rows = $this->fetchAll(sprintf( | |
| 737 | "SELECT CONSTRAINT_NAME | |
| 738 | FROM information_schema.KEY_COLUMN_USAGE | |
| 739 | WHERE TABLE_SCHEMA = CURRENT_SCHEMA() | |
| 740 | AND TABLE_NAME IS NOT NULL | |
| 741 | AND TABLE_NAME = '%s' | |
| 742 | AND COLUMN_NAME = '%s' | |
| 743 | ORDER BY POSITION_IN_UNIQUE_CONSTRAINT", | |
| 744 | $tableName, | |
| 745 | $column | |
| 746 | )); | |
| 747 | ||
| 748 |                 foreach ($rows as $row) { | |
| 749 | $this->dropForeignKey($tableName, $columns, $row['constraint_name']); | |
| 750 | } | |
| 751 | } | |
| 752 | } | |
| 753 | } | |
| 754 | ||
| 755 | /** | |
| 756 |      * {@inheritdoc} | |