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perf(2meet-data-optimizer): key the routed count cache on the SQL without wpdb's placeholder escape

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- keyword searches carry wpdb's placeholder escape for "%" ({<hash>}), which
  is new in every request, so md5(count SQL) never matched across requests
  and every keyword search recounted (the 2.2 "keyword + filter routed slower
  than native" finding). The key now uses remove_placeholder_escape()
- found in the 2.3 acceptance: dev36 keyword + price routed 6.2 s vs native
  4.9 s; PR-091's in-process check reused one process, one escape
- Verify: PostQueryRouterFoundRowsTest (two escapes, one COUNT), integration
  588, unit 703, phpcs, stan; dev36 front-end
- PR: PR-116 (2.3 acceptance)
This commit is contained in:
wpdev
2026-09-27 17:39:36 +08:00
parent 1835c8776a
commit 7851f150fa
2 changed files with 48 additions and 2 deletions
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includes/query/class-tmdo-post-query-router.php
+5 -2
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@@ -433,8 +433,11 @@ class TMDO_Post_Query_Router {
global $wpdb;
list( $count_sql, $excluded_sql ) = array_pad( (array) $count_sql, 2, '' );
$key = md5( $count_sql ) . ':' . wp_cache_get_last_changed( 'posts' );
$total = wp_cache_get( $key, self::COUNT_CACHE_GROUP );
// Keyword searches carry wpdb's placeholder escape for "%", which is new
// in every request: without it the key would never match again.
$stable = method_exists( $wpdb, 'remove_placeholder_escape' ) ? $wpdb->remove_placeholder_escape( $count_sql ) : $count_sql;
$key = md5( $stable ) . ':' . wp_cache_get_last_changed( 'posts' );
$total = wp_cache_get( $key, self::COUNT_CACHE_GROUP );
if ( false === $total ) {
$total = (int) $wpdb->get_var( $count_sql );
wp_cache_set( $key, $total, self::COUNT_CACHE_GROUP, HOUR_IN_SECONDS );