[wp-trac] [WordPress Trac] #27571: WP_Comment_Query::query() querying for too much data

[WordPress Trac]

#27571: WP_Comment_Query::query() querying for too much data
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 Reporter:  mkilian       |       Owner:  boonebgorges
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:  4.4
Component:  Comments      |     Version:  3.8.1
 Severity:  normal        |  Resolution:  fixed
 Keywords:  needs-patch   |     Focuses:
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Changes (by boonebgorges):

 * status:  assigned => closed
 * resolution:   => fixed


Comment:

 In [changeset:"34599"]:
 {{{
 #!CommitTicketReference repository="" revision="34599"
 Improve post field lazyloading for comments.

 [34583] modified comment queries so that all post fields are no longer
 loaded
 by default. Instead, they are loaded only when requested on individual
 comment
 objects. This changeset improves that flow:

 * `WP_Comment` magic methods `__isset()` and `__get()` should only load
 the post when a post field is being requested.
 * The new `update_comment_post_cache` argument for `WP_Comment_Query`
 allows developers to specify that, when comments are queried, all of the
 posts matching those comments should be loaded into cache with a single DB
 hit. This parameter defaults to false, since typical comment queries are
 linked to a single post.

 Fixes #27571.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/27571#comment:11>
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