X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2FDefines.php;h=ca603e76845745d82290dd9975c491281026e6b7;hb=20fd11be7ad7899b8baa77dc267532dcecc5acb1;hp=02930ea8153e2191a728740dbd8925dff872886d;hpb=fd5127b4f0278299760c823eb0c68523ad1cf3cc;p=lhc%2Fweb%2Fwiklou.git

diff --git a/includes/Defines.php b/includes/Defines.php
index 02930ea815..ca603e7684 100644
--- a/includes/Defines.php
+++ b/includes/Defines.php
@@ -20,11 +20,20 @@
  * @file
  */
 
+require_once __DIR__ . '/libs/mime/defines.php';
+require_once __DIR__ . '/libs/rdbms/defines.php';
+require_once __DIR__ . '/compat/normal/UtfNormalDefines.php';
+
+use Wikimedia\Rdbms\IDatabase;
+
 /**
  * @defgroup Constants MediaWiki constants
  */
 
 # Obsolete aliases
+/**
+ * @deprecated since 1.28
+ */
 define( 'DB_SLAVE', -1 );
 
 /**@{
@@ -97,33 +106,6 @@ define( 'CACHE_MEMCACHED', 2 );  // MemCached, must specify servers in $wgMemCac
 define( 'CACHE_ACCEL', 3 );      // APC, XCache or WinCache
 /**@}*/
 
-/**@{
- * Media types.
- * This defines constants for the value returned by File::getMediaType()
- */
-// unknown format
-define( 'MEDIATYPE_UNKNOWN', 'UNKNOWN' );
-// some bitmap image or image source (like psd, etc). Can't scale up.
-define( 'MEDIATYPE_BITMAP', 'BITMAP' );
-// some vector drawing (SVG, WMF, PS, ...) or image source (oo-draw, etc). Can scale up.
-define( 'MEDIATYPE_DRAWING', 'DRAWING' );
-// simple audio file (ogg, mp3, wav, midi, whatever)
-define( 'MEDIATYPE_AUDIO', 'AUDIO' );
-// simple video file (ogg, mpg, etc;
-// no not include formats here that may contain executable sections or scripts!)
-define( 'MEDIATYPE_VIDEO', 'VIDEO' );
-// Scriptable Multimedia (flash, advanced video container formats, etc)
-define( 'MEDIATYPE_MULTIMEDIA', 'MULTIMEDIA' );
-// Office Documents, Spreadsheets (office formats possibly containing apples, scripts, etc)
-define( 'MEDIATYPE_OFFICE', 'OFFICE' );
-// Plain text (possibly containing program code or scripts)
-define( 'MEDIATYPE_TEXT', 'TEXT' );
-// binary executable
-define( 'MEDIATYPE_EXECUTABLE', 'EXECUTABLE' );
-// archive file (zip, tar, etc)
-define( 'MEDIATYPE_ARCHIVE', 'ARCHIVE' );
-/**@}*/
-
 /**@{
  * Antivirus result codes, for use in $wgAntivirusSetup.
  */
@@ -178,16 +160,6 @@ define( 'EDIT_AUTOSUMMARY', 64 );
 define( 'EDIT_INTERNAL', 128 );
 /**@}*/
 
-/**
- * Database related
- */
-require_once __DIR__ . '/libs/rdbms/defines.php';
-
-/**
- * Unicode and normalisation related
- */
-require_once __DIR__ . '/compat/normal/UtfNormalDefines.php';
-
 /**@{
  * Hook support constants
  */
@@ -298,3 +270,28 @@ define( 'CONTENT_FORMAT_XML', 'application/xml' );
  */
 define( 'SHELL_MAX_ARG_STRLEN', '100000' );
 /**@}*/
+
+/**@{
+ * Schema change migration flags.
+ *
+ * Used as values of a feature flag for an orderly transition from an old
+ * schema to a new schema.
+ *
+ * - MIGRATION_OLD: Only read and write the old schema. The new schema need not
+ *   even exist. This is used from when the patch is merged until the schema
+ *   change is actually applied to the database.
+ * - MIGRATION_WRITE_BOTH: Write both the old and new schema. Read the new
+ *   schema preferentially, falling back to the old. This is used while the
+ *   change is being tested, allowing easy roll-back to the old schema.
+ * - MIGRATION_WRITE_NEW: Write only the new schema. Read the new schema
+ *   preferentially, falling back to the old. This is used while running the
+ *   maintenance script to migrate existing entries in the old schema to the
+ *   new schema.
+ * - MIGRATION_NEW: Only read and write the new schema. The old schema (and the
+ *   feature flag) may now be removed.
+ */
+define( 'MIGRATION_OLD', 0 );
+define( 'MIGRATION_WRITE_BOTH', 1 );
+define( 'MIGRATION_WRITE_NEW', 2 );
+define( 'MIGRATION_NEW', 3 );
+/**@}*/