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<?php |
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|
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/** |
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* Note that some installations have the 2.4 tables setup, but in a slightly different way, and with the DB version set to 2.3.3 |
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* Unsure why this would happen, but it means we get an error when upgrading |
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* Try and detect this and skip the upgrade |
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*/ |
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class Red_Database_240 extends Red_Database_Upgrader { |
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private $existing_column = false; |
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|
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public function get_stages() { |
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return [ |
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'detect_existing_240' => 'Detect existing 2.4 upgrade', |
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'expand_log_ip_column_240' => 'Expand IP size in logs to support IPv6', |
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'convert_int_ip_to_varchar_240' => 'Convert integer IP values to support IPv6', |
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'swap_ip_column_240' => 'Swap IPv4 for IPv6', |
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'convert_title_to_text_240' => 'Expand size of redirect titles', |
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'add_missing_index_240' => 'Add missing IP index to 404 logs', |
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]; |
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} |
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|
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private function has_weird_ip_index() { |
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global $wpdb; |
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|
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$existing = $wpdb->get_row( "SHOW CREATE TABLE `{$wpdb->prefix}redirection_404`", ARRAY_N ); |
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|
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if ( isset( $existing[1] ) ) { |
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return strpos( strtolower( $existing[1] ), 'key `ip` (' ) !== false; |
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} |
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|
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return false; |
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} |
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|
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protected function detect_existing_240( $wpdb ) { |
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$existing = $wpdb->get_row( "SHOW CREATE TABLE `{$wpdb->prefix}redirection_404`", ARRAY_N ); |
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|
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if ( isset( $existing[1] ) ) { |
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if ( strpos( strtolower( $existing[1] ), '`ip` varchar(45)' ) !== false ) { |
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// IP as varchar exists - don't recreate |
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$this->existing_column = true; |
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} |
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} |
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|
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return true; |
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} |
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|
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protected function expand_log_ip_column_240( $wpdb ) { |
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if ( ! $this->existing_column ) { |
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return $this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_logs` CHANGE `ip` `ip` VARCHAR(45) DEFAULT NULL" ); |
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} |
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|
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return true; |
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} |
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|
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protected function convert_int_ip_to_varchar_240( $wpdb ) { |
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if ( ! $this->existing_column ) { |
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$this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` ADD `ipaddress` VARCHAR(45) DEFAULT NULL AFTER `ip`" ); |
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return $this->do_query( $wpdb, "UPDATE {$wpdb->prefix}redirection_404 SET ipaddress=INET_NTOA(ip)" ); |
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} |
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|
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return true; |
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} |
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|
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protected function swap_ip_column_240( $wpdb ) { |
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if ( ! $this->existing_column ) { |
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$this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` DROP `ip`" ); |
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return $this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` CHANGE `ipaddress` `ip` VARCHAR(45) DEFAULT NULL" ); |
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} |
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|
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return true; |
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} |
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|
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protected function add_missing_index_240( $wpdb ) { |
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if ( $this->has_weird_ip_index() ) { |
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$this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` DROP INDEX ip" ); |
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} |
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|
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return $this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_404` ADD INDEX `ip` (`ip`)" ); |
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} |
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|
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protected function convert_title_to_text_240( $wpdb ) { |
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return $this->do_query( $wpdb, "ALTER TABLE `{$wpdb->prefix}redirection_items` CHANGE `title` `title` text" ); |
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} |
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} |
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|
