Merge "Move Field classes to Rdbms namespace"

diff --combined includes/libs/rdbms/database/IDatabase.php
index ec4ce8b,cdfe88a..f7bb6cf
--- 1/includes/libs/rdbms/database/IDatabase.php
--- 2/includes/libs/rdbms/database/IDatabase.php
+++ b/includes/libs/rdbms/database/IDatabase.php
@@@ -27,6 -27,7 +27,7 @@@ use Wikimedia\ScopedCallback
  use Wikimedia\Rdbms\Blob;
  use Wikimedia\Rdbms\LikeMatch;
  use Wikimedia\Rdbms\DBMasterPos;
+ use Wikimedia\Rdbms\Field;
  
  /**
   * Basic database interface for live and lazy-loaded relation database handles
@@@ -908,8 -909,6 +909,8 @@@ interface IDatabase 
         * @param array $values An array of values to SET. For each array element,
         *   the key gives the field name, and the value gives the data to set
         *   that field to. The data will be quoted by IDatabase::addQuotes().
 +       *   Values with integer keys form unquoted SET statements, which can be used for
 +       *   things like "field = field + 1" or similar computed values.
         * @param array $conds An array of conditions (WHERE). See
         *   IDatabase::select() for the details of the format of condition
         *   arrays. Use '*' to update all rows.
@@@ -1153,8 -1152,6 +1154,8 @@@
         * @param array $set An array of values to SET. For each array element, the
         *   key gives the field name, and the value gives the data to set that
         *   field to. The data will be quoted by IDatabase::addQuotes().
 +       *   Values with integer keys form unquoted SET statements, which can be used for
 +       *   things like "field = field + 1" or similar computed values.
         * @param string $fname Calling function name (use __METHOD__) for logs/profiling
         * @throws Exception
         * @return bool