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Make option_name the primary key for the options table. Props Denis-de-Bernardy. fixes #2699

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git-svn-id: https://develop.svn.wordpress.org/trunk@11883 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren 2009-08-26 22:46:33 +00:00
parent d43ed9f448
commit 9ba99f344c
4 changed files with 38 additions and 8 deletions
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4
wp-admin/includes/schema.php
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@ -99,8 +99,8 @@ CREATE TABLE $wpdb->options (
option_name varchar(64) NOT NULL default '',
option_value longtext NOT NULL,
autoload varchar(20) NOT NULL default 'yes',
PRIMARY KEY (option_id,blog_id,option_name),
KEY option_name (option_name)
PRIMARY KEY (option_name),
KEY option_id (option_id)
) $charset_collate;
CREATE TABLE $wpdb->postmeta (
meta_id bigint(20) unsigned NOT NULL auto_increment,

36
wp-admin/includes/upgrade.php
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@ -269,6 +269,7 @@ function wp_upgrade() {
wp_check_mysql_version();
wp_cache_flush();
pre_schema_upgrade();
make_db_current_silent();
upgrade_all();
wp_cache_flush();
@ -554,8 +555,10 @@ function upgrade_130() {
if ( 1 != $option->dupes ) { // Could this be done in the query?
$limit = $option->dupes - 1;
$dupe_ids = $wpdb->get_col( $wpdb->prepare("SELECT option_id FROM $wpdb->options WHERE option_name = %s LIMIT %d", $option->option_name, $limit) );
$dupe_ids = join($dupe_ids, ',');
$wpdb->query("DELETE FROM $wpdb->options WHERE option_id IN ($dupe_ids)");
if ( $dupe_ids ) {
$dupe_ids = join($dupe_ids, ',');
$wpdb->query("DELETE FROM $wpdb->options WHERE option_id IN ($dupe_ids)");
}
}
}
@ -1656,4 +1659,31 @@ function maybe_disable_automattic_widgets() {
}
}
?>
/**
* Runs before the schema is upgraded.
*/
function pre_schema_upgrade() {
global $wp_current_db_version, $wp_db_version, $wpdb;
// Only run if less than 2.9
if ( $wp_current_db_version >= 11557 )
return;
// Delete duplicate options. Keep the option with the highest option_id.
$delete_options = $wpdb->get_col("SELECT o1.option_id FROM $wpdb->options AS o1 JOIN $wpdb->options AS o2 ON o2.option_name = o1.option_name AND o2.option_id > o1.option_id");
if ( !empty($delete_options) ) {
$delete_options = implode("', '", $delete_options);
$wpdb->query("DELETE FROM $wpdb->options WHERE option_id IN ($delete_options)");
}
// Add an index on option_id to satisfy the auto_increment requirement
$wpdb->query("ALTER TABLE $wpdb->options ADD INDEX option_id (option_id)");
// Drop the old primary key. The new primary will be created by dbDelta()
$wpdb->query("ALTER TABLE $wpdb->options DROP PRIMARY KEY");
// Drop the old option_name index. dbDelta() doesn't do the drop.
$wpdb->query("ALTER TABLE $wpdb->options DROP INDEX option_name");
}
?>

4
wp-includes/functions.php
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@ -621,8 +621,8 @@ function delete_option( $name ) {
// Get the ID, if no ID then return
// expected_slashed ($name)
$option = $wpdb->get_row( "SELECT option_id, autoload FROM $wpdb->options WHERE option_name = '$name'" );
if ( is_null($option) || !$option->option_id )
$option = $wpdb->get_row( "SELECT autoload FROM $wpdb->options WHERE option_name = '$name'" );
if ( is_null($option) )
return false;
// expected_slashed ($name)
$wpdb->query( "DELETE FROM $wpdb->options WHERE option_name = '$name'" );

2
wp-includes/version.php
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@ -15,7 +15,7 @@ $wp_version = '2.9-rare';
*
* @global int $wp_db_version
*/
$wp_db_version = 11548;
$wp_db_version = 11557;
/**
* Holds the TinyMCE version