Bug 562787 - Fix getResultByName idl description to specify it needs an AS clause. r=asuth

storage/public/mozIStorageRow.idl

@@ -53,11 +53,14 @@ interface mozIStorageRow : mozIStorageValueArray {
   nsIVariant getResultByIndex(in unsigned long aIndex);
 
   /**
-   * Obtains the result of a given column specified by aIndex.
+   * Obtains the result of a given column specified by aName.
    *
    * @param aName
    *        Name of the result to get from the tuple.
    * @returns the result of the specified column.
+   * @note The name of a result column is the value of the "AS" clause for that
+   *       column.  If there is no AS clause then the name of the column is
+   *       unspecified and may change from one release to the next.
    */
   nsIVariant getResultByName(in AUTF8String aName);
 };