Introduce ->mysql to allow drop-ins to declare themselves as MySQL and therefore allow minimum version checks to still apply. fixes #18176.

git-svn-id: http://svn.automattic.com/wordpress/trunk@19060 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
nacin 2011-10-25 05:29:28 +00:00
parent 935a533eb6
commit 6f9612f45c
4 changed files with 31 additions and 4 deletions

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@ -337,7 +337,10 @@ function update_core($from, $to) {
$required_mysql_version = '5.0'; $required_mysql_version = '5.0';
$wp_version = '3.3'; $wp_version = '3.3';
$php_compat = version_compare( $php_version, $required_php_version, '>=' ); $php_compat = version_compare( $php_version, $required_php_version, '>=' );
$mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' ); if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $this->is_mysql ) )
$mysql_compat = true;
else
$mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' );
if ( !$mysql_compat || !$php_compat ) if ( !$mysql_compat || !$php_compat )
$wp_filesystem->delete($from, true); $wp_filesystem->delete($from, true);

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@ -44,8 +44,12 @@ function list_core_update( $update ) {
$submit = __('Re-install Now'); $submit = __('Re-install Now');
$form_action = 'update-core.php?action=do-core-reinstall'; $form_action = 'update-core.php?action=do-core-reinstall';
} else { } else {
$php_compat = version_compare( $php_version, $update->php_version, '>=' ); $php_compat = version_compare( $php_version, $update->php_version, '>=' );
$mysql_compat = version_compare( $mysql_version, $update->mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' ); if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) )
$mysql_compat = true;
else
$mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' );
if ( !$mysql_compat && !$php_compat ) if ( !$mysql_compat && !$php_compat )
$message = sprintf( __('You cannot update because <a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.'), $update->current, $update->php_version, $update->mysql_version, $php_version, $mysql_version ); $message = sprintf( __('You cannot update because <a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.'), $update->current, $update->php_version, $update->mysql_version, $php_version, $mysql_version );
elseif ( !$php_compat ) elseif ( !$php_compat )

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@ -38,7 +38,10 @@ $step = (int) $step;
$php_version = phpversion(); $php_version = phpversion();
$mysql_version = $wpdb->db_version(); $mysql_version = $wpdb->db_version();
$php_compat = version_compare( $php_version, $required_php_version, '>=' ); $php_compat = version_compare( $php_version, $required_php_version, '>=' );
$mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' ); if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) )
$mysql_compat = true;
else
$mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' );
@header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) ); @header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );
?> ?>

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@ -460,6 +460,20 @@ class wpdb {
*/ */
var $func_call; var $func_call;
/**
* Whether MySQL is used as the database engine.
*
* Set in WPDB::db_connect() to true, by default. This is used when checking
* against the required MySQL version for WordPress. Normally, a replacement
* database drop-in (db.php) will skip these checks, but setting this to true
* will force the checks to occur.
*
* @since 3.3.0
* @access public
* @var bool
*/
public $is_mysql = null;
/** /**
* Connects to the database server and selects a database * Connects to the database server and selects a database
* *
@ -1015,6 +1029,9 @@ class wpdb {
* @since 3.0.0 * @since 3.0.0
*/ */
function db_connect() { function db_connect() {
$this->is_mysql = true;
if ( WP_DEBUG ) { if ( WP_DEBUG ) {
$this->dbh = mysql_connect( $this->dbhost, $this->dbuser, $this->dbpassword, true ); $this->dbh = mysql_connect( $this->dbhost, $this->dbuser, $this->dbpassword, true );
} else { } else {