X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/fa6ee2c363cdfdebcb4b76e4d9c4347a4cb19065..899389d1e4043331309c0433543419258b230b60:/wp-admin/includes/upgrade.php
diff --git a/wp-admin/includes/upgrade.php b/wp-admin/includes/upgrade.php
index b8e37011..495d5b43 100644
--- a/wp-admin/includes/upgrade.php
+++ b/wp-admin/includes/upgrade.php
@@ -2,7 +2,7 @@
/**
* WordPress Upgrade API
*
- * Most of the functions are pluggable and can be overwritten
+ * Most of the functions are pluggable and can be overwritten.
*
* @package WordPress
* @subpackage Administration
@@ -20,20 +20,21 @@ require_once(ABSPATH . 'wp-admin/includes/schema.php');
if ( !function_exists('wp_install') ) :
/**
- * Installs the blog
+ * Installs the site.
*
- * {@internal Missing Long Description}}
+ * Runs the required functions to set up and populate the database,
+ * including primary admin user and initial options.
*
* @since 2.1.0
*
- * @param string $blog_title Blog title.
- * @param string $user_name User's username.
- * @param string $user_email User's email.
- * @param bool $public Whether blog is public.
- * @param string $deprecated Optional. Not used.
- * @param string $user_password Optional. User's chosen password. Will default to a random password.
- * @param string $language Optional. Language chosen.
- * @return array Array keys 'url', 'user_id', 'password', 'password_message'.
+ * @param string $blog_title Blog title.
+ * @param string $user_name User's username.
+ * @param string $user_email User's email.
+ * @param bool $public Whether blog is public.
+ * @param string $deprecated Optional. Not used.
+ * @param string $user_password Optional. User's chosen password. Default empty (random password).
+ * @param string $language Optional. Language chosen. Default empty.
+ * @return array Array keys 'url', 'user_id', 'password', and 'password_message'.
*/
function wp_install( $blog_title, $user_name, $user_email, $public, $deprecated = '', $user_password = '', $language = '' ) {
if ( !empty( $deprecated ) )
@@ -74,7 +75,7 @@ function wp_install( $blog_title, $user_name, $user_email, $public, $deprecated
$user_id = wp_create_user($user_name, $user_password, $user_email);
update_user_option($user_id, 'default_password_nag', true, true);
$email_password = true;
- } else if ( !$user_id ) {
+ } elseif ( ! $user_id ) {
// Password has been provided
$message = ''.__('Your chosen password.').'';
$user_id = wp_create_user($user_name, $user_password, $user_email);
@@ -87,6 +88,8 @@ function wp_install( $blog_title, $user_name, $user_email, $public, $deprecated
wp_install_defaults($user_id);
+ wp_install_maybe_enable_pretty_permalinks();
+
flush_rewrite_rules();
wp_new_blog_notification($blog_title, $guessurl, $user_id, ($email_password ? $user_password : __('The password you chose during the install.') ) );
@@ -108,9 +111,10 @@ endif;
if ( !function_exists('wp_install_defaults') ) :
/**
- * {@internal Missing Short Description}}
+ * Creates the initial content for a newly-installed site.
*
- * {@internal Missing Long Description}}
+ * Adds the default "Uncategorized" category, the first post (with comment),
+ * first page, and default widgets for default theme for the current version.
*
* @since 2.1.0
*
@@ -140,9 +144,9 @@ function wp_install_defaults( $user_id ) {
$cat_tt_id = $wpdb->insert_id;
// First post
- $now = date('Y-m-d H:i:s');
- $now_gmt = gmdate('Y-m-d H:i:s');
- $first_post_guid = get_option('home') . '/?p=1';
+ $now = current_time( 'mysql' );
+ $now_gmt = current_time( 'mysql', 1 );
+ $first_post_guid = get_option( 'home' ) . '/?p=1';
if ( is_multisite() ) {
$first_post = get_site_option( 'first_post' );
@@ -260,18 +264,93 @@ As a new WordPress user, you should go to your dashboard to d
}
endif;
+/**
+ * Maybe enable pretty permalinks on install.
+ *
+ * If after enabling pretty permalinks don't work, fallback to query-string permalinks.
+ *
+ * @since 4.2.0
+ *
+ * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
+ *
+ * @return bool Whether pretty permalinks are enabled. False otherwise.
+ */
+function wp_install_maybe_enable_pretty_permalinks() {
+ global $wp_rewrite;
+
+ // Bail if a permalink structure is already enabled.
+ if ( get_option( 'permalink_structure' ) ) {
+ return true;
+ }
+
+ /*
+ * The Permalink structures to attempt.
+ *
+ * The first is designed for mod_rewrite or nginx rewriting.
+ *
+ * The second is PATHINFO-based permalinks for web server configurations
+ * without a true rewrite module enabled.
+ */
+ $permalink_structures = array(
+ '/%year%/%monthnum%/%day%/%postname%/',
+ '/index.php/%year%/%monthnum%/%day%/%postname%/'
+ );
+
+ foreach ( (array) $permalink_structures as $permalink_structure ) {
+ $wp_rewrite->set_permalink_structure( $permalink_structure );
+
+ /*
+ * Flush rules with the hard option to force refresh of the web-server's
+ * rewrite config file (e.g. .htaccess or web.config).
+ */
+ $wp_rewrite->flush_rules( true );
+
+ // Test against a real WordPress Post, or if none were created, a random 404 page.
+ $test_url = get_permalink( 1 );
+
+ if ( ! $test_url ) {
+ $test_url = home_url( '/wordpress-check-for-rewrites/' );
+ }
+
+ /*
+ * Send a request to the site, and check whether
+ * the 'x-pingback' header is returned as expected.
+ *
+ * Uses wp_remote_get() instead of wp_remote_head() because web servers
+ * can block head requests.
+ */
+ $response = wp_remote_get( $test_url, array( 'timeout' => 5 ) );
+ $x_pingback_header = wp_remote_retrieve_header( $response, 'x-pingback' );
+ $pretty_permalinks = $x_pingback_header && $x_pingback_header === get_bloginfo( 'pingback_url' );
+
+ if ( $pretty_permalinks ) {
+ return true;
+ }
+ }
+
+ /*
+ * If it makes it this far, pretty permalinks failed.
+ * Fallback to query-string permalinks.
+ */
+ $wp_rewrite->set_permalink_structure( '' );
+ $wp_rewrite->flush_rules( true );
+
+ return false;
+}
+
if ( !function_exists('wp_new_blog_notification') ) :
/**
- * {@internal Missing Short Description}}
+ * Notifies the site admin that the setup is complete.
*
- * {@internal Missing Long Description}}
+ * Sends an email with wp_mail to the new administrator that the site setup is complete,
+ * and provides them with a record of their login credentials.
*
* @since 2.1.0
*
* @param string $blog_title Blog title.
- * @param string $blog_url Blog url.
- * @param int $user_id User ID.
- * @param string $password User's Password.
+ * @param string $blog_url Blog url.
+ * @param int $user_id User ID.
+ * @param string $password User's Password.
*/
function wp_new_blog_notification($blog_title, $blog_url, $user_id, $password) {
$user = new WP_User( $user_id );
@@ -300,13 +379,13 @@ endif;
if ( !function_exists('wp_upgrade') ) :
/**
- * Run WordPress Upgrade functions.
+ * Runs WordPress Upgrade functions.
*
- * {@internal Missing Long Description}}
+ * Upgrades the database if needed during a site update.
*
* @since 2.1.0
*
- * @return null
+ * @return null If no update is necessary or site isn't completely installed, null.
*/
function wp_upgrade() {
global $wp_current_db_version, $wp_db_version, $wpdb;
@@ -351,9 +430,12 @@ endif;
/**
* Functions to be called in install and upgrade scripts.
*
- * {@internal Missing Long Description}}
+ * Contains conditional checks to determine which upgrade scripts to run,
+ * based on database version and WP version being updated-to.
*
* @since 1.0.1
+ *
+ * @return null If no update is necessary, null.
*/
function upgrade_all() {
global $wp_current_db_version, $wp_db_version;
@@ -442,8 +524,14 @@ function upgrade_all() {
if ( $wp_current_db_version < 29630 )
upgrade_400();
- if ( $wp_current_db_version < 30134 )
- upgrade_414();
+ // Don't harsh my mellow. upgrade_422() must be called before
+ // upgrade_420() to catch bad comments prior to any auto-expansion of
+ // MySQL column widths.
+ if ( $wp_current_db_version < 31534 )
+ upgrade_422();
+
+ if ( $wp_current_db_version < 31351 )
+ upgrade_420();
maybe_disable_link_manager();
@@ -488,6 +576,7 @@ function upgrade_100() {
$done_ids = $wpdb->get_results("SELECT DISTINCT post_id FROM $wpdb->post2cat");
if ($done_ids) :
+ $done_posts = array();
foreach ($done_ids as $done_id) :
$done_posts[] = $done_id->post_id;
endforeach;
@@ -772,7 +861,7 @@ function upgrade_210() {
if ( 'static' == $status ) {
$status = 'publish';
$type = 'page';
- } else if ( 'attachment' == $status ) {
+ } elseif ( 'attachment' == $status ) {
$status = 'inherit';
$type = 'attachment';
}
@@ -1332,24 +1421,74 @@ function upgrade_400() {
}
/**
- * Execute changes made in WordPress 4.1.4.
+ * Execute changes made in WordPress 4.2.0.
+ *
+ * @since 4.2.0
+ */
+function upgrade_420() {
+ global $wp_current_db_version, $wpdb;
+
+ if ( $wp_current_db_version < 31351 && $wpdb->charset === 'utf8mb4' ) {
+ if ( is_multisite() ) {
+ $tables = $wpdb->tables( 'blog' );
+ } else {
+ $tables = $wpdb->tables( 'all' );
+ }
+
+ foreach ( $tables as $table ) {
+ maybe_convert_table_to_utf8mb4( $table );
+ }
+ }
+}
+
+/**
+ * Execute changes made in WordPress 4.2.1.
*
- * @since 4.1.3
+ * @since 4.2.1
*/
-function upgrade_414() {
+function upgrade_421() {
+}
+
+/**
+ * Execute changes made in WordPress 4.2.2.
+ *
+ * @since 4.2.2
+ */
+function upgrade_422() {
global $wp_current_db_version, $wpdb;
- if ( $wp_current_db_version < 30134 ) {
+ if ( $wp_current_db_version < 31534 ) {
$content_length = $wpdb->get_col_length( $wpdb->comments, 'comment_content' );
- if ( ! $content_length ) {
- $content_length = 65535;
+
+ if ( is_wp_error( $content_length ) ) {
+ return;
}
+ if ( false === $content_length ) {
+ $content_length = array(
+ 'type' => 'byte',
+ 'length' => 65535,
+ );
+ } elseif ( ! is_array( $content_length ) ) {
+ $length = (int) $content_length > 0 ? (int) $content_length : 65535;
+ $content_length = array(
+ 'type' => 'byte',
+ 'length' => $length
+ );
+ }
+
+ if ( 'byte' !== $content_length['type'] || 0 === $content_length['length'] ) {
+ // Sites with malformed DB schemas are on their own.
+ return;
+ }
+
+ $allowed_length = intval( $content_length['length'] ) - 10;
+
$comments = $wpdb->get_results(
- "SELECT comment_ID FROM $wpdb->comments
- WHERE comment_date_gmt > '2015-04-26'
- AND CHAR_LENGTH( comment_content ) >= $content_length
- AND ( comment_content LIKE '%<%' OR comment_content LIKE '%>%' )"
+ "SELECT `comment_ID` FROM `{$wpdb->comments}`
+ WHERE `comment_date_gmt` > '2015-04-26'
+ AND LENGTH( `comment_content` ) >= {$allowed_length}
+ AND ( `comment_content` LIKE '%<%' OR `comment_content` LIKE '%>%' )"
);
foreach ( $comments as $comment ) {
@@ -1359,7 +1498,7 @@ function upgrade_414() {
}
/**
- * Execute network level changes
+ * Executes network-level upgrade routines.
*
* @since 3.0.0
*/
@@ -1454,16 +1593,52 @@ function upgrade_network() {
update_site_option( 'illegal_names', $illegal_names );
}
}
-}
-// The functions we use to actually do stuff
+ // 4.2
+ if ( $wp_current_db_version < 31351 && $wpdb->charset === 'utf8mb4' ) {
+ if ( ! ( defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) && DO_NOT_UPGRADE_GLOBAL_TABLES ) ) {
+ $wpdb->query( "ALTER TABLE $wpdb->usermeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
+ $wpdb->query( "ALTER TABLE $wpdb->site DROP INDEX domain, ADD INDEX domain(domain(140),path(51))" );
+ $wpdb->query( "ALTER TABLE $wpdb->sitemeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
+ $wpdb->query( "ALTER TABLE $wpdb->signups DROP INDEX domain_path, ADD INDEX domain_path(domain(140),path(51))" );
+
+ $tables = $wpdb->tables( 'global' );
+
+ foreach ( $tables as $table ) {
+ maybe_convert_table_to_utf8mb4( $table );
+ }
+ }
+ }
+
+ // 4.2.2
+ if ( $wp_current_db_version < 31535 && 'utf8mb4' === $wpdb->charset ) {
+ if ( ! ( defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) && DO_NOT_UPGRADE_GLOBAL_TABLES ) ) {
+ $upgrade = false;
+ $indexes = $wpdb->get_results( "SHOW INDEXES FROM $wpdb->signups" );
+ foreach( $indexes as $index ) {
+ if ( 'domain_path' == $index->Key_name && 'domain' == $index->Column_name && 140 != $index->Sub_part ) {
+ $upgrade = true;
+ break;
+ }
+ }
+
+ if ( $upgrade ) {
+ $wpdb->query( "ALTER TABLE $wpdb->signups DROP INDEX domain_path, ADD INDEX domain_path(domain(140),path(51))" );
+ }
+ }
+ }
+}
-// General
+//
+// General functions we use to actually do stuff
+//
/**
- * {@internal Missing Short Description}}
+ * Creates a table in the database if it doesn't already exist.
*
- * {@internal Missing Long Description}}
+ * This method checks for an existing database and creates a new one if it's not
+ * already present. It doesn't rely on MySQL's "IF NOT EXISTS" statement, but chooses
+ * to query all tables first and then run the SQL statement creating the table.
*
* @since 1.0.0
*
@@ -1491,9 +1666,7 @@ function maybe_create_table($table_name, $create_ddl) {
}
/**
- * {@internal Missing Short Description}}
- *
- * {@internal Missing Long Description}}
+ * Drops a specified index from a table.
*
* @since 1.0.1
*
@@ -1514,9 +1687,7 @@ function drop_index($table, $index) {
}
/**
- * {@internal Missing Short Description}}
- *
- * {@internal Missing Long Description}}
+ * Adds an index to a specified table.
*
* @since 1.0.1
*
@@ -1532,10 +1703,14 @@ function add_clean_index($table, $index) {
}
/**
- ** maybe_add_column()
- ** Add column to db table if it doesn't exist.
- ** Returns: true if already exists or on successful completion
- ** false on error
+ * Adds column to a database table if it doesn't already exist.
+ *
+ * @since 1.3.0
+ *
+ * @param string $table_name The table name to modify.
+ * @param string $column_name The column name to add to the table.
+ * @param string $create_ddl The SQL statement used to add the column.
+ * @return True if already exists or on successful completion, false on error.
*/
function maybe_add_column($table_name, $column_name, $create_ddl) {
global $wpdb;
@@ -1557,6 +1732,36 @@ function maybe_add_column($table_name, $column_name, $create_ddl) {
return false;
}
+/**
+ * If a table only contains utf8 or utf8mb4 columns, convert it to utf8mb4.
+ *
+ * @since 4.2.0
+ *
+ * @param string $table The table to convert.
+ * @return bool true if the table was converted, false if it wasn't.
+ */
+function maybe_convert_table_to_utf8mb4( $table ) {
+ global $wpdb;
+
+ $results = $wpdb->get_results( "SHOW FULL COLUMNS FROM `$table`" );
+ if ( ! $results ) {
+ return false;
+ }
+
+ foreach ( $results as $column ) {
+ if ( $column->Collation ) {
+ list( $charset ) = explode( '_', $column->Collation );
+ $charset = strtolower( $charset );
+ if ( 'utf8' !== $charset && 'utf8mb4' !== $charset ) {
+ // Don't upgrade tables that have non-utf8 columns.
+ return false;
+ }
+ }
+ }
+
+ return $wpdb->query( "ALTER TABLE $table CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci" );
+}
+
/**
* Retrieve all options as it was for 1.2.
*
@@ -1578,8 +1783,9 @@ function get_alloptions_110() {
}
/**
- * Version of get_option that is private to install/upgrade.
+ * Utility version of get_option that is private to install/upgrade.
*
+ * @ignore
* @since 1.5.1
* @access private
*
@@ -1607,14 +1813,12 @@ function __get_option($setting) {
}
/**
- * {@internal Missing Short Description}}
- *
- * {@internal Missing Long Description}}
+ * Filters for content to remove unnecessary slashes.
*
* @since 1.5.0
*
- * @param string $content
- * @return string
+ * @param string $content The content to modify.
+ * @return string The de-slashed content.
*/
function deslash($content) {
// Note: \\\ inside a regex denotes a single backslash.
@@ -1638,15 +1842,18 @@ function deslash($content) {
}
/**
- * {@internal Missing Short Description}}
+ * Modifies the database based on specified SQL statements.
*
- * {@internal Missing Long Description}}
+ * Useful for creating new tables and updating existing tables to a new structure.
*
* @since 1.5.0
*
- * @param string $queries
- * @param bool $execute
- * @return array
+ * @param string|array $queries Optional. The query to run. Can be multiple queries
+ * in an array, or a string of queries separated by
+ * semicolons. Default empty.
+ * @param bool $execute Optional. Whether or not to execute the query right away.
+ * Default true.
+ * @return array Strings containing the results of the various update queries.
*/
function dbDelta( $queries = '', $execute = true ) {
global $wpdb;
@@ -1675,14 +1882,14 @@ function dbDelta( $queries = '', $execute = true ) {
// Create a tablename index for an array ($cqueries) of queries
foreach($queries as $qry) {
- if (preg_match("|CREATE TABLE ([^ ]*)|", $qry, $matches)) {
+ if ( preg_match( "|CREATE TABLE ([^ ]*)|", $qry, $matches ) ) {
$cqueries[ trim( $matches[1], '`' ) ] = $qry;
$for_update[$matches[1]] = 'Created table '.$matches[1];
- } else if (preg_match("|CREATE DATABASE ([^ ]*)|", $qry, $matches)) {
- array_unshift($cqueries, $qry);
- } else if (preg_match("|INSERT INTO ([^ ]*)|", $qry, $matches)) {
+ } elseif ( preg_match( "|CREATE DATABASE ([^ ]*)|", $qry, $matches ) ) {
+ array_unshift( $cqueries, $qry );
+ } elseif ( preg_match( "|INSERT INTO ([^ ]*)|", $qry, $matches ) ) {
$iqueries[] = $qry;
- } else if (preg_match("|UPDATE ([^ ]*)|", $qry, $matches)) {
+ } elseif ( preg_match( "|UPDATE ([^ ]*)|", $qry, $matches ) ) {
$iqueries[] = $qry;
} else {
// Unrecognized query type
@@ -1816,7 +2023,7 @@ function dbDelta( $queries = '', $execute = true ) {
if ($tableindices) {
// Clear the index array.
- unset($index_ary);
+ $index_ary = array();
// For every index in the table.
foreach ($tableindices as $tableindex) {
@@ -1834,7 +2041,7 @@ function dbDelta( $queries = '', $execute = true ) {
$index_string = '';
if ($index_name == 'PRIMARY') {
$index_string .= 'PRIMARY ';
- } else if($index_data['unique']) {
+ } elseif ( $index_data['unique'] ) {
$index_string .= 'UNIQUE ';
}
$index_string .= 'KEY ';
@@ -1853,12 +2060,23 @@ function dbDelta( $queries = '', $execute = true ) {
$index_columns .= '('.$column_data['subpart'].')';
}
}
+
+ // The alternative index string doesn't care about subparts
+ $alt_index_columns = preg_replace( '/\([^)]*\)/', '', $index_columns );
+
// Add the column list to the index create string.
- $index_string .= ' ('.$index_columns.')';
- if (!(($aindex = array_search($index_string, $indices)) === false)) {
- unset($indices[$aindex]);
- // todo: Remove this?
- //echo "{$table}:
Found index:".$index_string."\n";
+ $index_strings = array(
+ "$index_string ($index_columns)",
+ "$index_string ($alt_index_columns)",
+ );
+
+ foreach( $index_strings as $index_string ) {
+ if ( ! ( ( $aindex = array_search( $index_string, $indices ) ) === false ) ) {
+ unset( $indices[ $aindex ] );
+ break;
+ // todo: Remove this?
+ //echo "{$table}:
Found index:".$index_string."\n";
+ }
}
// todo: Remove this?
//else echo "{$table}:
Did not find index:".$index_string."
".print_r($indices, true)."\n";
@@ -1889,11 +2107,16 @@ function dbDelta( $queries = '', $execute = true ) {
}
/**
- * {@internal Missing Short Description}}
+ * Updates the database tables to a new schema.
*
- * {@internal Missing Long Description}}
+ * By default, updates all the tables to use the latest defined schema, but can also
+ * be used to update a specific set of tables in wp_get_db_schema().
*
* @since 1.5.0
+ *
+ * @uses dbDelta
+ *
+ * @param string $tables Optional. Which set of tables to update. Default is 'all'.
*/
function make_db_current( $tables = 'all' ) {
$alterations = dbDelta( $tables );
@@ -1903,25 +2126,30 @@ function make_db_current( $tables = 'all' ) {
}
/**
- * {@internal Missing Short Description}}
+ * Updates the database tables to a new schema, but without displaying results.
*
- * {@internal Missing Long Description}}
+ * By default, updates all the tables to use the latest defined schema, but can
+ * also be used to update a specific set of tables in wp_get_db_schema().
*
* @since 1.5.0
+ *
+ * @see make_db_current()
+ *
+ * @param string $tables Optional. Which set of tables to update. Default is 'all'.
*/
function make_db_current_silent( $tables = 'all' ) {
dbDelta( $tables );
}
/**
- * {@internal Missing Short Description}}
+ * Creates a site theme from an existing theme.
*
* {@internal Missing Long Description}}
*
* @since 1.5.0
*
- * @param string $theme_name
- * @param string $template
+ * @param string $theme_name The name of the theme.
+ * @param string $template The directory name of the theme.
* @return bool
*/
function make_site_theme_from_oldschool($theme_name, $template) {
@@ -1997,14 +2225,14 @@ function make_site_theme_from_oldschool($theme_name, $template) {
}
/**
- * {@internal Missing Short Description}}
+ * Creates a site theme from the default theme.
*
* {@internal Missing Long Description}}
*
* @since 1.5.0
*
- * @param string $theme_name
- * @param string $template
+ * @param string $theme_name The name of the theme.
+ * @param string $template The directory name of the theme.
* @return null|false
*/
function make_site_theme_from_default($theme_name, $template) {
@@ -2061,9 +2289,8 @@ function make_site_theme_from_default($theme_name, $template) {
@closedir($images_dir);
}
-// Create a site theme from the default theme.
/**
- * {@internal Missing Short Description}}
+ * Creates a site theme.
*
* {@internal Missing Long Description}}
*
@@ -2142,9 +2369,7 @@ function translate_level_to_role($level) {
}
/**
- * {@internal Missing Short Description}}
- *
- * {@internal Missing Long Description}}
+ * Checks the version of the installed MySQL binary.
*
* @since 2.1.0
*/
@@ -2173,7 +2398,7 @@ function maybe_disable_automattic_widgets() {
}
/**
- * Disables the Link Manager on upgrade, if at the time of upgrade, no links exist in the DB.
+ * Disables the Link Manager on upgrade if, at the time of upgrade, no links exist in the DB.
*
* @since 3.5.0
*/
@@ -2225,6 +2450,18 @@ function pre_schema_upgrade() {
// dbDelta() can recreate but can't drop the index.
$wpdb->query( "ALTER TABLE $wpdb->terms DROP INDEX slug" );
}
+
+ // Upgrade versions prior to 4.2.
+ if ( $wp_current_db_version < 31351 ) {
+ if ( ! is_multisite() ) {
+ $wpdb->query( "ALTER TABLE $wpdb->usermeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
+ }
+ $wpdb->query( "ALTER TABLE $wpdb->terms DROP INDEX slug, ADD INDEX slug(slug(191))" );
+ $wpdb->query( "ALTER TABLE $wpdb->terms DROP INDEX name, ADD INDEX name(name(191))" );
+ $wpdb->query( "ALTER TABLE $wpdb->commentmeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
+ $wpdb->query( "ALTER TABLE $wpdb->postmeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
+ $wpdb->query( "ALTER TABLE $wpdb->posts DROP INDEX post_name, ADD INDEX post_name(post_name(191))" );
+ }
}
/**