| Current Path : /storage/v11800/testtest/public_html/wp-content/plugins/pagespeed/index-wp-mysql-for-speed/code/ |
Linux v11800 5.3.0-1023-aws #25~18.04.1-Ubuntu SMP Fri Jun 5 15:19:18 UTC 2020 aarch64
|
| Current File : /storage/v11800/testtest/public_html/wp-content/plugins/pagespeed/index-wp-mysql-for-speed/code/getindexes.php |
<?php
class ImfsGetIndexes {
public static $imfsStandardIndexes;
/** the list of tables we can handle
*
* @param $unconstrained
*
* @return array
* @throws ImfsException
*/
static function getIndexableTables( $unconstrained ) {
$tables = [];
$x = ImfsGetIndexes::getStandardIndexes( $unconstrained );
foreach ( $x as $table => $indexes ) {
$tables[ $table ] = 1;
}
$x = ImfsGetIndexes::getHighPerformanceIndexes( $unconstrained );
foreach ( $x as $table => $indexes ) {
$tables[ $table ] = 1;
}
$result = [];
foreach ( $tables as $table => $z ) {
$result[] = $table;
}
return $result;
}
/**
* @param $unconstrained bool false if Antelope
* @param int $version WordPress database version.
*
* @return array
* @noinspection PhpUnusedParameterInspection
*/
static function getStandardIndexes( $unconstrained, $version = 51917 ) {
/* these are WordPress's standard indexes for database version 55853 and before.
* see the end of this file for their definitions */
return ImfsGetIndexes::$imfsStandardIndexes;
}
/**
*
* @param number $unconstrained 0: Antelope, prefix indexes 1:Barracuda, no prefix indexes
* @param float $version The first two levels of the plugin version (2.3.4 gets 2.3)
*
* @return array
* @throws ImfsException
*/
static function getHighPerformanceIndexes( $unconstrained, $version = 1.4 ) {
if ( $version === 1.4 ) {
return ImfsGetIndexes::getHighPerformanceIndexes1_4( $unconstrained );
}
if ( ! isset( $version ) || $version <= 1.3 ) {
return ImfsGetIndexes::getHighPerformanceIndexes1_3( $unconstrained );
}
throw new ImfsException( "unknown plugin version when retrieving indexing instructions" . $version );
}
/**
* @param int unconstrained 1 means barracuda, 0 antelope
*
* @return array
*/
static function getHighPerformanceIndexes1_4( $unconstrained ) {
/* When changing a PRIMARY KEY,
* for example to a compound clustered index
* you also need to add a UNIQUE KEY
* to hold the autoincrementing column.
* Put that UNIQUE KEY first in the list of keys to add.
* That makes sure we always have some sort of
* no-duplicate constraint on the autoincrementing ID.
*/
/* these are the indexes not dependent on Antelope or Barracuda */
$reindexAnyway = [
"options" => [
"option_id" => "ADD UNIQUE KEY option_id (option_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (option_name)",
"autoload" => "ADD KEY autoload (autoload)",
],
"comments" => [
"comment_ID" => "ADD UNIQUE KEY comment_ID (comment_ID)",
"PRIMARY KEY" => "ADD PRIMARY KEY (comment_post_ID, comment_ID)",
"comment_approved_date_gmt" => "ADD KEY comment_approved_date_gmt (comment_approved, comment_date_gmt, comment_ID)",
"comment_date_gmt" => "ADD KEY comment_date_gmt (comment_date_gmt, comment_ID)",
"comment_parent" => "ADD KEY comment_parent (comment_parent, comment_ID)",
"comment_author_email" => "ADD KEY comment_author_email (comment_author_email, comment_post_ID, comment_ID)",
"comment_post_parent_approved" => "ADD KEY comment_post_parent_approved (comment_post_ID, comment_parent, comment_approved, comment_type, user_id, comment_date_gmt, comment_ID)",
],
];
/* These are the Barracuda-dependent (unprefixed) indexes
* Notice that the indexed columns following prefix-indexed columns
* [for example post_id in (meta_key, meta_value(32), post_id) ]
* are intended for covering-index use, as if in an INCLUDE clause. */
$reindexWithoutConstraint = [
"postmeta" => [
"meta_id" => "ADD UNIQUE KEY meta_id (meta_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (post_id, meta_key, meta_id)",
"meta_key" => "ADD KEY meta_key (meta_key, meta_value(32), post_id, meta_id)",
"meta_value" => "ADD KEY meta_value (meta_value(32), meta_id)",
],
"usermeta" => [
"umeta_id" => "ADD UNIQUE KEY umeta_id (umeta_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (user_id, meta_key, umeta_id)",
"meta_key" => "ADD KEY meta_key (meta_key, meta_value(32), user_id, umeta_id)",
"meta_value" => "ADD KEY meta_value (meta_value(32), umeta_id)",
],
"termmeta" => [
"meta_id" => "ADD UNIQUE KEY meta_id (meta_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (term_id, meta_key, meta_id)",
"meta_key" => "ADD KEY meta_key (meta_key, meta_value(32), term_id, meta_id)",
"meta_value" => "ADD KEY meta_value (meta_value(32), meta_id)",
],
"posts" => [
"PRIMARY KEY" => "ADD PRIMARY KEY (ID)",
"post_name" => "ADD KEY post_name (post_name)",
"post_parent" => "ADD KEY post_parent (post_parent, post_type, post_status)",
"type_status_date" => "ADD KEY type_status_date (post_type, post_status, post_date, post_author)",
"post_author" => "ADD KEY post_author (post_author, post_type, post_status, post_date)",
],
'commentmeta' => [
"meta_id" => "ADD UNIQUE KEY meta_id (meta_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (meta_key, comment_id, meta_id)",
"comment_id" => "ADD KEY comment_id (comment_id, meta_key, meta_value(32))",
"meta_value" => "ADD KEY meta_value (meta_value(32))",
],
"users" => [
"PRIMARY KEY" => "ADD PRIMARY KEY (ID)",
"user_login_key" => "ADD KEY user_login_key (user_login)",
"user_nicename" => "ADD KEY user_nicename (user_nicename)",
"user_email" => "ADD KEY user_email (user_email)",
"display_name" => "ADD KEY display_name (display_name)",
],
];
/* these are the Antelope-dependent (prefixed) indexes */
/* we can use shorter prefix indexes and still get almost all the value */
$reindexWithAntelopeConstraint = [
"postmeta" => [
"meta_id" => "ADD UNIQUE KEY meta_id (meta_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (post_id, meta_id)",
"post_id" => "ADD KEY post_id (post_id, meta_key(32), meta_value(32), meta_id)",
"meta_key" => "ADD KEY meta_key (meta_key(32), meta_value(32), meta_id)",
"meta_value" => "ADD KEY meta_value (meta_value(32), meta_id)",
],
"usermeta" => [
"umeta_id" => "ADD UNIQUE KEY umeta_id (umeta_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (user_id, umeta_id)",
"user_id" => "ADD KEY user_id (user_id, meta_key(32), meta_value(32), umeta_id)",
"meta_key" => "ADD KEY meta_key (meta_key(32), meta_value(32), umeta_id)",
"meta_value" => "ADD KEY meta_value (meta_value(32), umeta_id)",
],
"termmeta" => [
"meta_id" => "ADD UNIQUE KEY meta_id (meta_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (term_id, meta_id)",
"term_id" => "ADD KEY term_id (term_id, meta_key(32), meta_value(32), meta_id)",
"meta_key" => "ADD KEY meta_key (meta_key(32), meta_value(32), meta_id)",
"meta_value" => "ADD KEY meta_value (meta_value(32), meta_id)",
],
"posts" => [
"PRIMARY KEY" => "ADD PRIMARY KEY (ID)",
"post_name" => "ADD KEY post_name (post_name(32))",
"post_parent" => "ADD KEY post_parent (post_parent, post_type, post_status)",
"type_status_date" => "ADD KEY type_status_date (post_type, post_status, post_date, post_author)",
"post_author" => "ADD KEY post_author (post_author, post_type, post_status, post_date)",
],
'commentmeta' => [
"meta_id" => "ADD UNIQUE KEY meta_id (meta_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (comment_id, meta_id)",
"comment_id" => "ADD KEY comment_id (comment_id, meta_key(32))",
"meta_key" => "ADD KEY meta_key (meta_key(32), meta_value(32))",
"meta_value" => "ADD KEY meta_value (meta_value(32), meta_key(32))",
],
"users" => [
"PRIMARY KEY" => "ADD PRIMARY KEY (ID)",
"user_login_key" => "ADD KEY user_login_key (user_login)",
"user_nicename" => "ADD KEY user_nicename (user_nicename)",
"user_email" => "ADD KEY user_email (user_email)",
"display_name" => "ADD KEY display_name (display_name(32))",
],
];
switch ( $unconstrained ) {
case 1: /* barracuda */
$reindexes = array_merge( $reindexWithoutConstraint, $reindexAnyway );
break;
case 0: /* antelope */
$reindexes = array_merge( $reindexWithAntelopeConstraint, $reindexAnyway );
break;
default:
$reindexes = $reindexAnyway;
break;
}
return $reindexes;
}
/**
* @param int unconstrained 1 means barracuda, 0 antelope
*
* @return array
*/
static function getHighPerformanceIndexes1_3( $unconstrained ) {
/* When changing a PRIMARY KEY,
* for example to a compound clustered index
* you also need to add a UNIQUE KEY
* to hold the autoincrementing column.
* Put that UNIQUE KEY first in the list of keys to add.
* That makes sure we always have some sort of
* no-duplicates constraint on the autoincrementing ID.
*/
/* these are the indexes not dependent on Antelope or Barracuda */
$reindexAnyway1_3 = [
"options" => [
"option_id" => "ADD UNIQUE KEY option_id (option_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (autoload, option_id)",
"option_name" => "ADD UNIQUE KEY option_name (option_name)",
],
"posts" => [
"PRIMARY KEY" => "ADD PRIMARY KEY (ID)",
"post_name" => "ADD KEY post_name (post_name(191))",
"post_parent" => "ADD KEY post_parent (post_parent)",
"type_status_date" => "ADD KEY type_status_date (post_type, post_status, post_date, post_author, ID)",
"post_author" => "ADD KEY post_author (post_author, post_type, post_status, post_date, ID)",
],
"comments" => [
"PRIMARY KEY" => "ADD PRIMARY KEY (comment_ID)",
"comment_post_ID" => "ADD KEY comment_post_ID (comment_post_ID)",
"comment_approved_date_gmt" => "ADD KEY comment_approved_date_gmt (comment_approved, comment_date_gmt)",
"comment_date_gmt" => "ADD KEY comment_date_gmt (comment_date_gmt)",
"comment_parent" => "ADD KEY comment_parent (comment_parent)",
"comment_author_email" => "ADD KEY comment_author_email (comment_author_email(10))",
"comment_post_parent_approved" => "ADD KEY comment_post_parent_approved (comment_post_ID, comment_parent, comment_approved, comment_ID)",
],
/* the target indexes for previous version are the same as the standard indexes here,
* because we did not reindex these tables at all in the previous version. */
'commentmeta' => ImfsGetIndexes::$imfsStandardIndexes['commentmeta'],
"users" => ImfsGetIndexes::$imfsStandardIndexes['users'],
];
/* These are the Barracuda-dependent (unprefixed) indexes
* Notice that the indexed columns following prefix-indexed columns
* [for example post_id in (meta_key, meta_value(32), post_id) ]
* are intended for covering-index use, as if in an INCLUDE clause. */
$reindexWithoutConstraint1_3 = [
"postmeta" => [
"meta_id" => "ADD UNIQUE KEY meta_id (meta_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (post_id, meta_key, meta_id)",
"meta_key" => "ADD KEY meta_key (meta_key, post_id)",
],
"termmeta" => [
"meta_id" => "ADD UNIQUE KEY meta_id (meta_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (term_id, meta_key, meta_id)",
"meta_key" => "ADD KEY meta_key (meta_key, term_id)",
],
"usermeta" => [
"umeta_id" => "ADD UNIQUE KEY umeta_id (umeta_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (user_id, meta_key, umeta_id)",
"meta_key" => "ADD KEY meta_key (meta_key, user_id)",
],
];
/* these are the Antelope-dependent (prefixed) indexes */
/* we can use shorter prefix indexes and still get almost all the value */
$reindexWithAntelopeConstraint1_3 = [
"postmeta" => [
"meta_id" => "ADD UNIQUE KEY meta_id (meta_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (post_id, meta_id)",
"post_id" => "ADD KEY post_id (post_id, meta_key(191))",
"meta_key" => "ADD KEY meta_key (meta_key(191), post_id)",
],
"termmeta" => [
"meta_id" => "ADD UNIQUE KEY meta_id (meta_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (term_id, meta_id)",
"term_id" => "ADD KEY term_id (term_id, meta_key(191))",
"meta_key" => "ADD KEY meta_key (meta_key(191), term_id)",
],
"usermeta" => [
"umeta_id" => "ADD UNIQUE KEY umeta_id (umeta_id)",
"PRIMARY KEY" => "ADD PRIMARY KEY (user_id, umeta_id)",
"user_id" => "ADD KEY user_id (user_id, meta_key(191))",
"meta_key" => "ADD KEY meta_key (meta_key(191), user_id)",
],
];
switch ( $unconstrained ) {
case 1: /* barracuda */
$reindexes = array_merge( $reindexWithoutConstraint1_3, $reindexAnyway1_3 );
break;
case 0: /* antelope */
$reindexes = array_merge( $reindexWithAntelopeConstraint1_3, $reindexAnyway1_3 );
break;
default:
$reindexes = $reindexAnyway1_3;
break;
}
return $reindexes;
}
}
ImfsGetIndexes::$imfsStandardIndexes = [
'postmeta' => [
"PRIMARY KEY" => "ADD PRIMARY KEY (meta_id)",
"post_id" => "ADD KEY post_id (post_id)",
"meta_key" => "ADD KEY meta_key (meta_key(191))",
],
'usermeta' => [
"PRIMARY KEY" => "ADD PRIMARY KEY (umeta_id)",
"user_id" => "ADD KEY user_id (user_id)",
"meta_key" => "ADD KEY meta_key (meta_key(191))",
],
'termmeta' => [
"PRIMARY KEY" => "ADD PRIMARY KEY (meta_id)",
"term_id" => "ADD KEY term_id (term_id)",
"meta_key" => "ADD KEY meta_key (meta_key(191))",
],
'options' => [
"PRIMARY KEY" => "ADD PRIMARY KEY (option_id)",
"option_name" => "ADD UNIQUE KEY option_name (option_name)",
"autoload" => "ADD KEY autoload (autoload)",
],
'posts' => [
"PRIMARY KEY" => "ADD PRIMARY KEY (ID)",
"post_name" => "ADD KEY post_name (post_name(191))",
"post_parent" => "ADD KEY post_parent (post_parent)",
"type_status_date" => "ADD KEY type_status_date (post_type, post_status, post_date, ID)",
"post_author" => "ADD KEY post_author (post_author)",
],
'comments' => [
"PRIMARY KEY" => "ADD PRIMARY KEY (comment_ID)",
"comment_post_ID" => "ADD KEY comment_post_ID (comment_post_ID)",
"comment_approved_date_gmt" => "ADD KEY comment_approved_date_gmt (comment_approved, comment_date_gmt)",
"comment_date_gmt" => "ADD KEY comment_date_gmt (comment_date_gmt)",
"comment_parent" => "ADD KEY comment_parent (comment_parent)",
"comment_author_email" => "ADD KEY comment_author_email (comment_author_email(10))",
],
'commentmeta' => [
"PRIMARY KEY" => "ADD PRIMARY KEY (meta_id)",
"comment_id" => "ADD KEY comment_id (comment_id)",
"meta_key" => "ADD KEY meta_key (meta_key(191))",
],
"users" => [
"PRIMARY KEY" => "ADD PRIMARY KEY (ID)",
"user_login_key" => "ADD KEY user_login_key (user_login)",
"user_nicename" => "ADD KEY user_nicename (user_nicename)",
"user_email" => "ADD KEY user_email (user_email)",
],
];