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perf(2meet-data-optimizer): let flat-first sorts use a (column, id) index

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- a group index may end with the entity ID column (post_id, ...)
- flat-first rewrites the posts.ID tie-breaks once, in the sort's direction:
  with a (column, post_id) index MySQL returns rows in order instead of
  sorting the whole match. dev36 (1.3M listings), price range sorted by price:
  850 ms filesort -> 2 ms. Ties are ordered by ID the same way as the column
  (natively ID DESC); pagination stays stable, result sets are unchanged
- Verify: EntityRegistryIndexesTest, PostQueryRouterFoundRowsTest (ASC
  tie-break, single tie-break), unit 704, integration 589, phpcs, stan;
  dev36 with the HivePress indexes (PR-119)
- PR: PR-118
This commit is contained in:
wpdev
2026-09-27 22:40:59 +08:00
parent b2725b219d
commit eac0955b76
4 changed files with 44 additions and 7 deletions
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includes/engine/class-tmdo-entity-registry.php
+4 -1
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@@ -159,9 +159,12 @@ final class TMDO_Entity_Registry {
self::$scopes[ $entity_type ][ $group_name ] = $post_types;
}
$keys = array_column( $normalized, 'key' );
// A sort index may end with the entity ID (flat-first tie-break, 2.4 PR-118).
$id_col = (string) self::$adapters[ $entity_type ]->get_entity_id_column();
foreach ( (array) ( $args['indexes'] ?? array() ) as $index_name => $columns ) {
$columns = array_values( array_map( 'strval', (array) $columns ) );
if ( $columns && ! array_diff( $columns, $keys ) ) {
$fields = '' !== $id_col && end( $columns ) === $id_col ? array_slice( $columns, 0, -1 ) : $columns;
if ( $fields && ! array_diff( $fields, $keys ) ) {
self::$indexes[ $entity_type ][ $group_name ][ (string) $index_name ] = $columns;
}
}