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Boone Gorges 8bf5fce78f Improve 'orderby' syntax for WP_Comment_Query.
Since [29027], `WP_Query` has supported an array of values for the `$orderby`
parameter, with field names as array keys and ASC/DESC as the array values.
This changeset introduces the same syntax to `WP_Comment_Query`.

We leverage the new support for multiple ORDER BY clauses to fix a bug that
causes comments to be queried in an indeterminate order when sorting by the
default `comment_date_gmt` and comments share the same value for
`comment_date_gmt`. By always including a `comment_ID` subclause at the end of
the ORDER BY statement, we ensure that comments always have a unique fallback
for sorting.

This changeset also includes improvements paralleling those introduced to
`WP_Query` in [31312] and [31340], which allow `$orderby` to accept array keys
from specific `$meta_query` clauses. This change lets devs sort by multiple
clauses of an associated meta query. See #31045.

Fixes #30478. See #31265.

git-svn-id: https://develop.svn.wordpress.org/trunk@31467 602fd350-edb4-49c9-b593-d223f7449a82
2015-02-16 14:09:40 +00:00
src Improve 'orderby' syntax for WP_Comment_Query. 2015-02-16 14:09:40 +00:00
tests Improve 'orderby' syntax for WP_Comment_Query. 2015-02-16 14:09:40 +00:00
tools/i18n i18n tools: Sync makepot.php with i18n.svn. 2015-01-31 22:01:33 +00:00
.editorconfig .jshintrc is a json file and .editorconfig should treat it like a json file 2014-10-08 19:26:50 +00:00
.gitignore Ignore any local WP Cli config files. 2014-10-28 17:01:22 +00:00
.jshintrc Remove smarttabs from .jshintrc per IRC discussion. see #25187. 2013-11-13 19:23:16 +00:00
.travis.yml Travis hates tabs. 2015-02-06 05:57:54 +00:00
Gruntfile.js Media JS files: 2015-02-09 16:00:44 +00:00
package.json Update grunt-cssjanus to 0.2.4, we no longer need the fork. 2015-02-11 22:27:53 +00:00
phpunit.xml.dist Exclude external-http tests when running phpunit. 2014-11-10 14:48:28 +00:00
wp-cli.yml Introduce default wp-cli.yml for core development. 2014-04-30 21:35:18 +00:00
wp-config-sample.php Remove 'WordPress Language' reference from wp-config-sample.php. 2014-09-09 01:22:05 +00:00
wp-tests-config-sample.php Update wp-tests-config-sample.php to run with WP_DEBUG by default. see #25282. 2013-09-23 16:17:59 +00:00