Database: Add type_status_author index for the posts table.

SergeyBiryukov · SergeyBiryukov · commit 601ddd41b1e7 · 2025-09-07T20:33:43.000Z
This aims to improve performance of some queries on installations with a large number of posts. Follow-up to [3678], [3690], [9290], [13576]. Props josephscott, LucasMS, Otto42, flixos90, matt, johnjamesjacoby, siliconforks, mukesh27, jonsurrell, SirLouen, SergeyBiryukov. Fixes #50161. git-svn-id: https://develop.svn.wordpress.org/trunk@60717 602fd350-edb4-49c9-b593-d223f7449a82
diff --git a/src/wp-admin/includes/schema.php b/src/wp-admin/includes/schema.php
@@ -184,7 +184,8 @@ function wp_get_db_schema( $scope = 'all', $blog_id = null ) {
 	KEY post_name (post_name($max_index_length)),
 	KEY type_status_date (post_type,post_status,post_date,ID),
 	KEY post_parent (post_parent),
-	KEY post_author (post_author)
+	KEY post_author (post_author),
+	KEY type_status_author (post_type,post_status,post_author)
 ) $charset_collate;\n";
 
 	// Single site users table. The multisite flavor of the users table is handled below.
diff --git a/src/wp-admin/includes/upgrade.php b/src/wp-admin/includes/upgrade.php
@@ -2488,7 +2488,8 @@ function ( $url ) {
  * @ignore
  * @since 6.9.0
  *
- * @global int $wp_current_db_version The old (current) database version.
+ * @global int  $wp_current_db_version The old (current) database version.
+ * @global wpdb $wpdb                  WordPress database abstraction object.
  */
 function upgrade_690() {
 	global $wp_current_db_version, $wpdb;
@@ -2503,6 +2504,10 @@ function upgrade_690() {
 		$active_plugins[ $key ] = $new_plugin;
 		update_option( 'active_plugins', $active_plugins );
 	}
+
+	if ( $wp_current_db_version < 60716 ) {
+		$wpdb->query( "ALTER TABLE $wpdb->posts ADD INDEX type_status_author (post_type,post_status,post_author)" );
+	}
 }
 
 /**
diff --git a/src/wp-includes/version.php b/src/wp-includes/version.php
@@ -23,7 +23,7 @@
  *
  * @global int $wp_db_version
  */
-$wp_db_version = 60497;
+$wp_db_version = 60716;
 
 /**
  * Holds the TinyMCE version.

Original file line number	Diff line number	Diff line change
`@@ -2488,7 +2488,8 @@ function ( $url ) {`
`2488`	`2488`	`* @ignore`
`2489`	`2489`	`* @since 6.9.0`
`2490`	`2490`	`*`
`2491`		`- * @global int $wp_current_db_version The old (current) database version.`
	`2491`	`+ * @global int $wp_current_db_version The old (current) database version.`
	`2492`	`+ * @global wpdb $wpdb WordPress database abstraction object.`
`2492`	`2493`	`*/`
`2493`	`2494`	`function upgrade_690() {`
`2494`	`2495`	`global $wp_current_db_version, $wpdb;`
`@@ -2503,6 +2504,10 @@ function upgrade_690() {`
`2503`	`2504`	`$active_plugins[ $key ] = $new_plugin;`
`2504`	`2505`	`update_option( 'active_plugins', $active_plugins );`
`2505`	`2506`	`}`
	`2507`	`+`
	`2508`	`+ if ( $wp_current_db_version < 60716 ) {`
	`2509`	`+ $wpdb->query( "ALTER TABLE $wpdb->posts ADD INDEX type_status_author (post_type,post_status,post_author)" );`
	`2510`	`+ }`
`2506`	`2511`	`}`
`2507`	`2512`
`2508`	`2513`	`/**`
Original file line number	Diff line number	Diff line change
`@@ -23,7 +23,7 @@`
`23`	`23`	`*`
`24`	`24`	`* @global int $wp_db_version`
`25`	`25`	`*/`
`26`		`-$wp_db_version = 60497;`
	`26`	`+$wp_db_version = 60716;`
`27`	`27`
`28`	`28`	`/**`
`29`	`29`	`* Holds the TinyMCE version.`