malhuda/fictioneer
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Modify SELECT clause of chapter list post query

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From ~0.0945 ms to ~0.0017 ms.
This commit is contained in:
Tetrakern 2024-11-02 13:03:56 +01:00
parent b7f181f087
commit 7f3371f541
2 changed files with 38 additions and 18 deletions
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1
DEVELOPMENT.md
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@ -361,6 +361,7 @@ Fictioneer customizes WordPress by using as many standard action and filter hook
| `map_meta_cap` | `fictioneer_edit_others_files` (10), `fictioneer_delete_others_files` (9999), `fictioneer_override_default_taxonomy_capability_check` (9999), `fictioneer_edit_comments` (10)
| `navigation_markup_template` | `fictioneer_pagination_markup` (10)
| `nav_menu_link_attributes` | `fictioneer_add_menu_link_attributes` (10)
| `posts_fields` | `fictioneer_reduce_get_story_chapter_posts` (10)
| `post_comments_feed_link` | `__return_empty_string` (10)
| `post_password_required` | `fictioneer_bypass_password` (10), `fictioneer_expire_post_password` (5)
| `post_stuck` | `fictioneer_prevent_post_sticky` (10)

55
includes/functions/_utility.php
View File

@ -223,6 +223,7 @@ if ( ! function_exists( 'fictioneer_get_last_fiction_update' ) ) {
*
* @since 5.9.2
* @since 5.22.3 - Refactored.
* @since 5.26.0 - Added fictioneer_reduce_get_story_chapter_posts() filter.
*
* @param int $story_id ID of the story.
* @param array $args Optional. Additional query arguments.
@ -266,6 +267,11 @@ function fictioneer_get_story_chapter_posts( $story_id, $args = [], $full = fals
return $cached_results[ $cache_key ];
}
// Add temporary filter
if ( ! $full ) {
add_filter( 'posts_fields', 'fictioneer_reduce_get_story_chapter_posts', 10, 2 );
}
// Batched or one go?
if ( count( $chapter_ids ) <= FICTIONEER_QUERY_ID_ARRAY_LIMIT ) {
$query_args['post__in'] = $chapter_ids ?: [0];
@ -282,6 +288,11 @@ function fictioneer_get_story_chapter_posts( $story_id, $args = [], $full = fals
}
}
// Remove temporary filter
if ( ! $full ) {
remove_filter( 'posts_fields', 'fictioneer_reduce_get_story_chapter_posts' );
}
// Restore order
$chapter_positions = array_flip( $chapter_ids );
@ -289,26 +300,10 @@ function fictioneer_get_story_chapter_posts( $story_id, $args = [], $full = fals
return $chapter_positions[ $a->ID ] - $chapter_positions[ $b->ID ];
});
// F-REF-1
// Add note about missing content
if ( ! $full ) {
foreach ( $chapter_posts as $post ) {
// Chapter contents are extremely large and this kind of
// query does not need them, but we leave a reference
// in case this causes issues in the future.
$post->post_content = 'F-REF-1';
unset(
$post->post_type, // We know this is fcn_chapter
$post->ping_status, // Unused
$post->to_ping, // Unused
$post->pinged, // Unused
$post->menu_order, // Unused
$post->post_mime_type, // Unused
$post->post_parent, // Unused
$post->post_content_filtered, // Unused here
$post->guid, // Unused here
$post->post_excerpt // Unused here
);
$post->post_content = 'Caller: fictioneer_get_story_chapter_posts(). Content has been removed for performance reasons.';
}
}
@ -316,6 +311,30 @@ function fictioneer_get_story_chapter_posts( $story_id, $args = [], $full = fals
return $chapter_posts;
}
if ( ! function_exists( 'fictioneer_reduce_get_story_chapter_posts' ) ) {
/**
* Reduces the queried fields for chapter posts in the WP_Query SQL
*
* Note: This filter is only added in fictioneer_get_story_chapter_posts()
* and immediately removed again after the query.
*
* @since 5.26.0
*
* @param string $fields The SELECT clause of the query.
* @param WP_Query $query The WP_Query instance (passed by reference).
*
* @return string Updates SELECT clause of the query.
*/
function fictioneer_reduce_get_story_chapter_posts( $fields, $query ) {
if ( ( $query->query_vars['fictioneer_query_name'] ?? 0 ) === 'get_story_chapter_posts' ) {
$fields = 'wp_posts.ID, wp_posts.post_author, wp_posts.post_date, wp_posts.post_date_gmt, wp_posts.post_title, wp_posts.post_status, wp_posts.comment_status, wp_posts.post_password, wp_posts.post_name, wp_posts.post_modified, wp_posts.post_modified_gmt, wp_posts.post_parent, wp_posts.comment_count';
}
return $fields;
}
}
// =============================================================================
// GROUP CHAPTERS
// =============================================================================