Merge "Cleaned up DatabaseBase constructor to use an array"

[lhc/web/wiklou.git] / includes / db / Database.php

diff --git a/includes/db/Database.php b/includes/db/Database.php
index 4a84578..30e92e5 100644 (file)
--- a/includes/db/Database.php
+++ b/includes/db/Database.php
@@ -301,6 +301,12 @@ abstract class DatabaseBase implements IDatabase, DatabaseType {
         */
        protected $fileHandle = null;
 
+       /**
+        * @since 1.22
+        * @var Process cache of VIEWs names in the database
+        */
+       protected $allViews = null;
+
 # ------------------------------------------------------------------------------
 # Accessors
 # ------------------------------------------------------------------------------
@@ -3453,6 +3459,40 @@ abstract class DatabaseBase implements IDatabase, DatabaseType {
                throw new MWException( 'DatabaseBase::listTables is not implemented in descendant class' );
        }
 
+       /**
+        * Reset the views process cache set by listViews()
+        * @since 1.22
+        */
+       final public function clearViewsCache() {
+               $this->allViews = null;
+       }
+
+       /**
+        * Lists all the VIEWs in the database
+        *
+        * For caching purposes the list of all views should be stored in
+        * $this->allViews. The process cache can be cleared with clearViewsCache()
+        *
+        * @param string $prefix   Only show VIEWs with this prefix, eg. unit_test_
+        * @param string $fname    Name of calling function
+        * @throws MWException
+        * @since 1.22
+        */
+       public function listViews( $prefix = null, $fname = __METHOD__ ) {
+               throw new MWException( 'DatabaseBase::listViews is not implemented in descendant class' );
+       }
+
+       /**
+        * Differentiates between a TABLE and a VIEW
+        *
+        * @param $name string: Name of the database-structure to test.
+        * @throws MWException
+        * @since 1.22
+        */
+       public function isView( $name ) {
+               throw new MWException( 'DatabaseBase::isView is not implemented in descendant class' );
+       }
+
        /**
         * Convert a timestamp in one of the formats accepted by wfTimestamp()
         * to the format used for inserting into timestamp fields in this DBMS.