diff --git a/src/backend/nodes/outfuncs.c b/src/backend/nodes/outfuncs.c
index c8d9626..2411658 100644
--- a/src/backend/nodes/outfuncs.c
+++ b/src/backend/nodes/outfuncs.c
@@ -409,6 +409,68 @@ _outMergeAction(StringInfo str, const MergeAction *node)
 }

 static void
+_outInferClause(StringInfo str, const InferClause *node)
+{
+	WRITE_NODE_TYPE("INFERCLAUSE");
+
+	WRITE_NODE_FIELD(indexElems);
+	WRITE_NODE_FIELD(whereClause);
+	WRITE_STRING_FIELD(conname);
+	WRITE_LOCATION_FIELD(location);
+}
+
+static void
+_outOnConflictClause(StringInfo str, const OnConflictClause *node)
+{
+	WRITE_NODE_TYPE("ONCONFLICTCLAUSE");
+
+	WRITE_ENUM_FIELD(action, OnConflictAction);
+	WRITE_NODE_FIELD(infer);
+	WRITE_NODE_FIELD(targetList);
+	WRITE_NODE_FIELD(whereClause);
+	WRITE_LOCATION_FIELD(location);
+}
+
+static void
+_outInsertStmt(StringInfo str, const InsertStmt *node)
+{
+	WRITE_NODE_TYPE("INSERT");
+
+	WRITE_NODE_FIELD(relation);
+	WRITE_NODE_FIELD(cols);
+	WRITE_NODE_FIELD(selectStmt);
+	WRITE_NODE_FIELD(onConflictClause);
+	WRITE_NODE_FIELD(returningList);
+	WRITE_NODE_FIELD(withClause);
+	WRITE_ENUM_FIELD(override, OverridingKind);
+}
+
+static void
+_outDeleteStmt(StringInfo str, const DeleteStmt *node)
+{
+	WRITE_NODE_TYPE("DELETE");
+
+	WRITE_NODE_FIELD(relation);
+	WRITE_NODE_FIELD(usingClause);
+	WRITE_NODE_FIELD(whereClause);
+	WRITE_NODE_FIELD(returningList);
+	WRITE_NODE_FIELD(withClause);
+}
+
+static void
+_outUpdateStmt(StringInfo str, const UpdateStmt *node)
+{
+	WRITE_NODE_TYPE("UPDATE");
+
+	WRITE_NODE_FIELD(relation);
+	WRITE_NODE_FIELD(targetList);
+	WRITE_NODE_FIELD(whereClause);
+	WRITE_NODE_FIELD(fromClause);
+	WRITE_NODE_FIELD(returningList);
+	WRITE_NODE_FIELD(withClause);
+}
+
+static void
 _outAppend(StringInfo str, const Append *node)
 {
 	WRITE_NODE_TYPE("APPEND");
@@ -3682,6 +3744,21 @@ outNode(StringInfo str, const void *obj)
 			case T_MergeAction:
 				_outMergeAction(str, obj);
 				break;
+			case T_InferClause:
+				_outInferClause(str, obj);
+				break;
+			case T_OnConflictClause:
+				_outOnConflictClause(str, obj);
+				break;
+			case T_InsertStmt:
+				_outInsertStmt(str, obj);
+				break;
+			case T_DeleteStmt:
+				_outDeleteStmt(str, obj);
+				break;
+			case T_UpdateStmt:
+				_outUpdateStmt(str, obj);
+				break;
 			case T_Append:
 				_outAppend(str, obj);
 				break;
diff --git a/src/backend/nodes/readfuncs.c b/src/backend/nodes/readfuncs.c
index 4518fa0..13891b1 100644
--- a/src/backend/nodes/readfuncs.c
+++ b/src/backend/nodes/readfuncs.c
@@ -1620,6 +1620,93 @@ _readMergeAction(void)
 }

 /*
+ * _readInferClause
+ */
+static InferClause *
+_readInferClause(void)
+{
+	READ_LOCALS(InferClause);
+
+	READ_NODE_FIELD(indexElems);
+	READ_NODE_FIELD(whereClause);
+	READ_STRING_FIELD(conname);
+	READ_LOCATION_FIELD(location);
+
+	READ_DONE();
+}
+
+/*
+ * _readOnConflictClause
+ */
+static OnConflictClause *
+_readOnConflictClause(void)
+{
+	READ_LOCALS(OnConflictClause);
+
+	READ_ENUM_FIELD(action, OnConflictAction);
+	READ_NODE_FIELD(infer);
+	READ_NODE_FIELD(targetList);
+	READ_NODE_FIELD(whereClause);
+	READ_LOCATION_FIELD(location);
+
+	READ_DONE();
+}
+
+/*
+ * _readInsertStmt
+ */
+static InsertStmt *
+_readInsertStmt(void)
+{
+	READ_LOCALS(InsertStmt);
+
+	READ_NODE_FIELD(relation);
+	READ_NODE_FIELD(cols);
+	READ_NODE_FIELD(selectStmt);
+	READ_NODE_FIELD(onConflictClause);
+	READ_NODE_FIELD(returningList);
+	READ_NODE_FIELD(withClause);
+	READ_ENUM_FIELD(override, OverridingKind);
+
+	READ_DONE();
+}
+
+/*
+ * _readDeleteStmt
+ */
+static DeleteStmt *
+_readDeleteStmt(void)
+{
+	READ_LOCALS(DeleteStmt);
+
+	READ_NODE_FIELD(relation);
+	READ_NODE_FIELD(usingClause);
+	READ_NODE_FIELD(whereClause);
+	READ_NODE_FIELD(returningList);
+	READ_NODE_FIELD(withClause);
+
+	READ_DONE();
+}
+
+/*
+ * _readUpdateStmt
+ */
+static UpdateStmt *
+_readUpdateStmt(void)
+{
+	READ_LOCALS(UpdateStmt);
+
+	READ_NODE_FIELD(relation);
+	READ_NODE_FIELD(targetList);
+	READ_NODE_FIELD(whereClause);
+	READ_NODE_FIELD(fromClause);
+	READ_NODE_FIELD(returningList);
+	READ_NODE_FIELD(withClause);
+
+	READ_DONE();
+}
+
+/*
  * _readAppend
  */
 static Append *
@@ -2620,6 +2707,16 @@ parseNodeString(void)
 		return_value = _readModifyTable();
 	else if (MATCH("MERGEACTION", 11))
 		return_value = _readMergeAction();
+	else if (MATCH("INFERCLAUSE", 11))
+		return_value = _readInferClause();
+	else if (MATCH("ONCONFLICTCLAUSE", 16))
+		return_value = _readOnConflictClause();
+	else if (MATCH("INSERT", 6))
+		return_value = _readInsertStmt();
+	else if (MATCH("DELETE", 6))
+		return_value = _readDeleteStmt();
+	else if (MATCH("UPDATE", 6))
+		return_value = _readUpdateStmt();
 	else if (MATCH("APPEND", 6))
 		return_value = _readAppend();
 	else if (MATCH("MERGEAPPEND", 11))