[2.0] DDC-169 - Some refactorings

lib/Doctrine/DBAL/Platforms/AbstractPlatform.php

@@ -1772,6 +1772,16 @@ abstract class AbstractPlatform
         return $schemaElementName;
     }
 
+    /**
+     * Maximum length of any given databse identifier, like tables or column names.
+     * 
+     * @return int
+     */
+    public function getMaxIdentifierLength()
+    {
+        return 63;
+    }
+
     /**
      * Get the insert sql for an empty insert statement
      *

lib/Doctrine/DBAL/Platforms/OraclePlatform.php

@@ -603,6 +603,16 @@ END;';
         return $schemaElementName;
     }
 
+    /**
+     * Maximum length of any given databse identifier, like tables or column names.
+     *
+     * @return int
+     */
+    public function getMaxIdentifierLength()
+    {
+        return 30;
+    }
+
     /**
      * Whether the platform supports sequences.
      *

lib/Doctrine/DBAL/Schema/AbstractAsset.php

@@ -35,10 +35,6 @@ namespace Doctrine\DBAL\Schema;
  */
 abstract class AbstractAsset
 {
-    const CASE_UPPER = "upper";
-    const CASE_LOWER = "lower";
-    const CASE_KEEP  = "keep";
-
     /**
      * @var string
      */