laipower/wp-content/plugins/easy-digital-downloads/includes/database/tables/class-customer-meta.php

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<?php
/**
* Customer Meta Table.
*
* @package EDD
* @subpackage Database\Tables
* @copyright Copyright (c) 2018, Easy Digital Downloads, LLC
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
* @since 3.0
*/
namespace EDD\Database\Tables;
// Exit if accessed directly
defined( 'ABSPATH' ) || exit;
use EDD\Database\Table;
/**
* Setup the global "edd_customermeta" database table
*
* @since 3.0
*/
final class Customer_Meta extends Table {
/**
* Table name
*
* @access protected
* @since 3.0
* @var string
*/
protected $name = 'customermeta';
/**
* Database version
*
* @access protected
* @since 3.0
* @var int
*/
protected $version = 201807111;
/**
* Array of upgrade versions and methods
*
* @since 3.0
*
* @var array
*/
protected $upgrades = array(
'201807111' => 201807111
);
/**
* Setup the database schema
*
* @access protected
* @since 3.0
* @return void
*/
protected function set_schema() {
$max_index_length = 191;
$this->schema = "meta_id bigint(20) unsigned NOT NULL auto_increment,
edd_customer_id bigint(20) unsigned NOT NULL default '0',
meta_key varchar(255) DEFAULT NULL,
meta_value longtext DEFAULT NULL,
PRIMARY KEY (meta_id),
KEY edd_customer_id (edd_customer_id),
KEY meta_key (meta_key({$max_index_length}))";
}
/**
* Override the Base class `maybe_upgrade()` routine to do a very unique and
* special check against the old option.
*
* Maybe upgrades the database table from 2.x to 3.x standards. This method
* should be kept up-to-date with schema changes in `set_schema()` above.
*
* - Hooked to the "admin_init" action.
* - Calls the parent class `maybe_upgrade()` method
*
* @since 3.0
*/
public function maybe_upgrade() {
if ( $this->needs_initial_upgrade() ) {
// Delete old/irrelevant database options.
delete_option( $this->table_prefix . 'edd_customermeta_db_version' );
delete_option( 'wp_edd_customermeta_db_version' );
$this->get_db()->query( "ALTER TABLE {$this->table_name} CHANGE `customer_id` `edd_customer_id` bigint(20) unsigned NOT NULL default '0';" );
$this->get_db()->query( "ALTER TABLE {$this->table_name} DROP INDEX customer_id" );
$this->get_db()->query( "ALTER TABLE {$this->table_name} ADD INDEX edd_customer_id (edd_customer_id)" );
}
parent::maybe_upgrade();
}
/**
* Whether the initial upgrade from the 1.0 database needs to be run.
*
* @since 3.0.3
* @return bool
*/
private function needs_initial_upgrade() {
return $this->exists() && $this->column_exists( 'customer_id' ) && ! $this->column_exists( 'edd_customer_id' );
}
/**
* Upgrade to version 201807111
* - Rename `customer_id` column to `edd_customer_id`
* - Add `status` column.
*
* @since 3.0
*
* @return bool
*/
protected function __201807111() {
// Alter the database with separate queries so indexes succeed
if ( $this->column_exists( 'customer_id' ) && ! $this->column_exists( 'edd_customer_id' ) ) {
$this->get_db()->query( "ALTER TABLE {$this->table_name} CHANGE `customer_id` `edd_customer_id` bigint(20) unsigned NOT NULL default '0'" );
$this->get_db()->query( "ALTER TABLE {$this->table_name} DROP INDEX customer_id" );
$this->get_db()->query( "ALTER TABLE {$this->table_name} ADD INDEX edd_customer_id (edd_customer_id)" );
}
// Return success/fail
return $this->is_success( true );
}
}