4 files changed, 15 insertions, 33 deletions

diff --git a/src/api/wix/WixToolset.Data/WindowsInstaller/Row.cs b/src/api/wix/WixToolset.Data/WindowsInstaller/Row.cs
index f44082d3..cbb47492 100644
--- a/src/api/wix/WixToolset.Data/WindowsInstaller/Row.cs
+++ b/src/api/wix/WixToolset.Data/WindowsInstaller/Row.cs
@@ -53,17 +53,6 @@ namespace WixToolset.Data.WindowsInstaller
         public RowOperation Operation { get; set; }
 
         /// <summary>
-        /// Gets or sets wether the row is a duplicate of another row thus redundant.
-        /// </summary>
-        public bool Redundant { get; set; }
-
-        /// <summary>
-        /// Gets or sets the SectionId property on the row.
-        /// </summary>
-        /// <value>The SectionId property on the row.</value>
-        public string SectionId { get; set; }
-
-        /// <summary>
         /// Gets the source file and line number for the row.
         /// </summary>
         /// <value>Source file and line number.</value>
@@ -276,8 +265,6 @@ namespace WixToolset.Data.WindowsInstaller
 
             bool empty = reader.IsEmptyElement;
             RowOperation operation = RowOperation.None;
-            bool redundant = false;
-            string sectionId = null;
             SourceLineNumber sourceLineNumbers = null;
 
             while (reader.MoveToNextAttribute())
@@ -287,12 +274,6 @@ namespace WixToolset.Data.WindowsInstaller
                     case "op":
                         operation = (RowOperation)Enum.Parse(typeof(RowOperation), reader.Value, true);
                         break;
-                    case "redundant":
-                        redundant = reader.Value.Equals("yes");
-                        break;
-                    case "sectionId":
-                        sectionId = reader.Value;
-                        break;
                     case "sourceLineNumber":
                         sourceLineNumbers = SourceLineNumber.CreateFromEncoded(reader.Value);
                         break;
@@ -301,8 +282,6 @@ namespace WixToolset.Data.WindowsInstaller
 
             var row = table.CreateRow(sourceLineNumbers);
             row.Operation = operation;
-            row.Redundant = redundant;
-            row.SectionId = sectionId;
 
             // loop through all the fields in a row
             if (!empty)
@@ -364,16 +343,6 @@ namespace WixToolset.Data.WindowsInstaller
                 writer.WriteAttributeString("op", this.Operation.ToString().ToLowerInvariant());
             }
 
-            if (this.Redundant)
-            {
-                writer.WriteAttributeString("redundant", "yes");
-            }
-
-            if (null != this.SectionId)
-            {
-                writer.WriteAttributeString("sectionId", this.SectionId);
-            }
-
             if (null != this.SourceLineNumbers)
             {
                 writer.WriteAttributeString("sourceLineNumber", this.SourceLineNumbers.GetEncoded());
diff --git a/src/api/wix/WixToolset.Data/WindowsInstaller/Xsd/objects.xsd b/src/api/wix/WixToolset.Data/WindowsInstaller/Xsd/objects.xsd
index 5d95a59c..94909032 100644
--- a/src/api/wix/WixToolset.Data/WindowsInstaller/Xsd/objects.xsd
+++ b/src/api/wix/WixToolset.Data/WindowsInstaller/Xsd/objects.xsd
@@ -96,8 +96,6 @@
                     </xs:restriction>
                 </xs:simpleType>
             </xs:attribute>
-            <xs:attribute name="redundant" type="YesNoType" />
-            <xs:attribute name="sectionId" type="xs:string" />
             <xs:attribute name="sourceLineNumber" type="xs:string" />
         </xs:complexType>
     </xs:element>
diff --git a/src/api/wix/WixToolset.Extensibility/BaseWindowsInstallerBackendBinderExtension.cs b/src/api/wix/WixToolset.Extensibility/BaseWindowsInstallerBackendBinderExtension.cs
index a54f05fc..0b31cdd7 100644
--- a/src/api/wix/WixToolset.Extensibility/BaseWindowsInstallerBackendBinderExtension.cs
+++ b/src/api/wix/WixToolset.Extensibility/BaseWindowsInstallerBackendBinderExtension.cs
@@ -63,6 +63,13 @@ namespace WixToolset.Extensibility
         }
 
         /// <summary>
+        /// See <see cref="IWindowsInstallerBackendBinderExtension.FinalizePatchFilterIds(WindowsInstallerData, IDictionary{Row, string}, string)"/>
+        /// </summary>
+        public virtual void FinalizePatchFilterIds(WindowsInstallerData data, IDictionary<Row, string> rowToFilterId, string filterIdPrefix)
+        {
+        }
+
+        /// <summary>
         /// See <see cref="IWindowsInstallerBackendBinderExtension.PreBackendBind(IBindContext)"/>
         /// </summary>
         public virtual IResolvedCabinet ResolveCabinet(string cabinetPath, IEnumerable<IBindFileWithPath> files)
diff --git a/src/api/wix/WixToolset.Extensibility/IWindowsInstallerBackendBinderExtension.cs b/src/api/wix/WixToolset.Extensibility/IWindowsInstallerBackendBinderExtension.cs
index 067745c2..fdf753c7 100644
--- a/src/api/wix/WixToolset.Extensibility/IWindowsInstallerBackendBinderExtension.cs
+++ b/src/api/wix/WixToolset.Extensibility/IWindowsInstallerBackendBinderExtension.cs
@@ -30,6 +30,14 @@ namespace WixToolset.Extensibility
         void SymbolsFinalized(IntermediateSection section);
 
         /// <summary>
+        /// Extension can process the filter ids applied to rows when processing patches.
+        /// </summary>
+        /// <param name="data">The <c>WindowsInstallerData</c> with rows to apply filters to.</param>
+        /// <param name="rowToFilterId">The mapping that applies a filter id to a row.</param>
+        /// <param name="filterIdPrefix">The prefix to use applying additional filters to rows.</param>
+        void FinalizePatchFilterIds(WindowsInstallerData data, IDictionary<Row, string> rowToFilterId, string filterIdPrefix);
+
+        /// <summary>
         /// Finds an existing cabinet that contains the provided files.
         /// </summary>
         /// <param name="cabinetPath">Path to the cabinet.</param>