@@ 688-710 (lines=23) @@ | ||
685 | /** |
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686 | * {@inheritdoc} |
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687 | */ |
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688 | public function dropIndex($tableName, $columns) |
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689 | { |
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690 | if (is_string($columns)) { |
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691 | $columns = [$columns]; // str to array |
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692 | } |
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693 | ||
694 | $indexes = $this->getIndexes($tableName); |
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695 | $columns = array_map('strtolower', $columns); |
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696 | ||
697 | foreach ($indexes as $indexName => $index) { |
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698 | $a = array_diff($columns, $index['columns']); |
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699 | if (empty($a)) { |
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700 | $this->execute( |
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701 | sprintf( |
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702 | 'DROP INDEX %s ON %s', |
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703 | $this->quoteColumnName($indexName), |
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704 | $this->quoteTableName($tableName) |
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705 | ) |
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706 | ); |
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707 | return; |
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708 | } |
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709 | } |
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710 | } |
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711 | ||
712 | /** |
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713 | * {@inheritdoc} |
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@@ 808-845 (lines=38) @@ | ||
805 | /** |
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806 | * {@inheritdoc} |
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807 | */ |
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808 | public function dropForeignKey($tableName, $columns, $constraint = null) |
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809 | { |
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810 | if (is_string($columns)) { |
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811 | $columns = [$columns]; // str to array |
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812 | } |
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813 | ||
814 | if ($constraint) { |
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815 | $this->execute( |
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816 | sprintf( |
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817 | 'ALTER TABLE %s DROP CONSTRAINT %s', |
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818 | $this->quoteTableName($tableName), |
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819 | $constraint |
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820 | ) |
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821 | ); |
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822 | return; |
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823 | } else { |
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824 | foreach ($columns as $column) { |
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825 | $rows = $this->fetchAll(sprintf( |
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826 | "SELECT |
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827 | tc.constraint_name, |
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828 | tc.table_name, kcu.column_name, |
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829 | ccu.table_name AS referenced_table_name, |
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830 | ccu.column_name AS referenced_column_name |
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831 | FROM |
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832 | information_schema.table_constraints AS tc |
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833 | JOIN information_schema.key_column_usage AS kcu ON tc.constraint_name = kcu.constraint_name |
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834 | JOIN information_schema.constraint_column_usage AS ccu ON ccu.constraint_name = tc.constraint_name |
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835 | WHERE constraint_type = 'FOREIGN KEY' AND tc.table_name = '%s' and ccu.column_name='%s' |
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836 | ORDER BY kcu.ordinal_position", |
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837 | $tableName, |
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838 | $column |
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839 | )); |
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840 | foreach ($rows as $row) { |
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841 | $this->dropForeignKey($tableName, $columns, $row['constraint_name']); |
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842 | } |
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843 | } |
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844 | } |
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845 | } |
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846 | ||
847 | /** |
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848 | * {@inheritdoc} |
@@ 653-688 (lines=36) @@ | ||
650 | /** |
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651 | * {@inheritdoc} |
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652 | */ |
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653 | public function dropForeignKey($tableName, $columns, $constraint = null) |
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654 | { |
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655 | if (is_string($columns)) { |
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656 | $columns = [$columns]; // str to array |
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657 | } |
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658 | ||
659 | ||
660 | if ($constraint) { |
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661 | $this->execute( |
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662 | sprintf( |
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663 | 'ALTER TABLE %s DROP FOREIGN KEY %s', |
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664 | $this->quoteTableName($tableName), |
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665 | $constraint |
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666 | ) |
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667 | ); |
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668 | return; |
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669 | } else { |
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670 | foreach ($columns as $column) { |
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671 | $rows = $this->fetchAll(sprintf( |
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672 | "SELECT |
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673 | CONSTRAINT_NAME |
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674 | FROM information_schema.KEY_COLUMN_USAGE |
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675 | WHERE REFERENCED_TABLE_SCHEMA = DATABASE() |
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676 | AND REFERENCED_TABLE_NAME IS NOT NULL |
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677 | AND TABLE_NAME = '%s' |
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678 | AND COLUMN_NAME = '%s' |
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679 | ORDER BY POSITION_IN_UNIQUE_CONSTRAINT", |
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680 | $tableName, |
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681 | $column |
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682 | )); |
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683 | foreach ($rows as $row) { |
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684 | $this->dropForeignKey($tableName, $columns, $row['CONSTRAINT_NAME']); |
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685 | } |
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686 | } |
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687 | } |
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688 | } |
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689 | ||
690 | /** |
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691 | * {@inheritdoc} |
@@ 681-714 (lines=34) @@ | ||
678 | /** |
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679 | * {@inheritdoc} |
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680 | */ |
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681 | public function dropForeignKey($tableName, $columns, $constraint = null) |
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682 | { |
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683 | if (is_string($columns)) { |
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684 | $columns = [$columns]; // str to array |
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685 | } |
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686 | ||
687 | if ($constraint) { |
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688 | $this->execute( |
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689 | sprintf( |
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690 | 'ALTER TABLE %s DROP CONSTRAINT %s', |
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691 | $this->quoteTableName($tableName), |
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692 | $constraint |
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693 | ) |
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694 | ); |
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695 | } else { |
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696 | foreach ($columns as $column) { |
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697 | $rows = $this->fetchAll(sprintf( |
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698 | "SELECT CONSTRAINT_NAME |
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699 | FROM information_schema.KEY_COLUMN_USAGE |
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700 | WHERE TABLE_SCHEMA = CURRENT_SCHEMA() |
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701 | AND TABLE_NAME IS NOT NULL |
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702 | AND TABLE_NAME = '%s' |
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703 | AND COLUMN_NAME = '%s' |
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704 | ORDER BY POSITION_IN_UNIQUE_CONSTRAINT", |
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705 | $tableName, |
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706 | $column |
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707 | )); |
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708 | ||
709 | foreach ($rows as $row) { |
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710 | $this->dropForeignKey($tableName, $columns, $row['constraint_name']); |
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711 | } |
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712 | } |
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713 | } |
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714 | } |
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715 | ||
716 | /** |
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717 | * {@inheritdoc} |