Docs: Add missing descriptions for the $wpdb global in DocBlocks all the places.

See #32246.

Built from https://develop.svn.wordpress.org/trunk@35170


git-svn-id: http://core.svn.wordpress.org/trunk@35136 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post-functions.php

@@ -2091,7 +2091,7 @@ function _count_posts_cache_key( $type = 'post', $perm = '' ) {
  *
  * @since 2.5.0
  *
- * @global wpdb $wpdb
+ * @global wpdb $wpdb WordPress database abstraction object.
  *
  * @param string $type Optional. Post type to retrieve count. Default 'post'.
  * @param string $perm Optional. 'readable' or empty. Default empty.
@@ -2156,7 +2156,7 @@ function wp_count_posts( $type = 'post', $perm = '' ) {
  *
  * @since 2.5.0
  *
- * @global wpdb $wpdb
+ * @global wpdb $wpdb WordPress database abstraction object.
  *
  * @param string|array $mime_type Optional. Array or comma-separated list of
  *                                MIME patterns. Default empty.
@@ -2643,7 +2643,7 @@ function wp_trash_post_comments( $post = null ) {
  *
  * @since 2.9.0
  *
- * @global wpdb $wpdb
+ * @global wpdb $wpdb WordPress database abstraction object.
  *
  * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post.
  * @return true|void
@@ -5200,8 +5200,7 @@ function get_private_posts_cap_sql( $post_type ) {
  * @since 4.3.0 Introduced the ability to pass an array of post types to `$post_type`.
  *
  * @see get_private_posts_cap_sql()
- *
- * @global wpdb $wpdb
+ * @global wpdb $wpdb WordPress database abstraction object.
  *
  * @param array|string   $post_type   Single post type or an array of post types.
  * @param bool           $full        Optional. Returns a full WHERE statement instead of just
@@ -5367,9 +5366,9 @@ function get_lastpostmodified( $timezone = 'server', $post_type = 'any' ) {
  * @since 4.4.0 The `$post_type` argument was added.
  * @access private
  *
- * @global wpdb $wpdb
+ * @global wpdb $wpdb WordPress database abstraction object.
  *
- * @param string $timezone  The timezone for the timestamp. See {@see get_lastpostdate()}
+ * @param string $timezone  The timezone for the timestamp. See get_lastpostdate().
  *                          for information on accepted values.
  * @param string $field     Post field to check. Accepts 'date' or 'modified'.
  * @param string $post_type Optional. The post type to check. Default 'any'.
@@ -5842,9 +5841,9 @@ function _update_term_count_on_transition_post_status( $new_status, $old_status,
  *
  * @see update_post_caches()
  *
- * @global wpdb $wpdb
+ * @global wpdb $wpdb WordPress database abstraction object.
  *
- * @param array $ids               ID list
+ * @param array $ids               ID list.
  * @param bool  $update_term_cache Optional. Whether to update the term cache. Default true.
  * @param bool  $update_meta_cache Optional. Whether to update the meta cache. Default true.
  */