diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c
index 04a7e1aa62..f5634274a9 100644
--- a/src/backend/nodes/copyfuncs.c
+++ b/src/backend/nodes/copyfuncs.c
@@ -2156,7 +2156,7 @@ static PartitionPruneStepCombine *
 _copyPartitionPruneStepCombine(const PartitionPruneStepCombine *from)
 {
 	PartitionPruneStepCombine *newnode = makeNode(PartitionPruneStepCombine);
-
+	COPY_SCALAR_FIELD(step.step_id);
 	COPY_SCALAR_FIELD(combineOp);
 	COPY_NODE_FIELD(source_stepids);
 
diff --git a/src/backend/nodes/outfuncs.c b/src/backend/nodes/outfuncs.c
index 9ce40ee3b3..3f9e2585c7 100644
--- a/src/backend/nodes/outfuncs.c
+++ b/src/backend/nodes/outfuncs.c
@@ -1693,6 +1693,28 @@ _outFromExpr(StringInfo str, const FromExpr *node)
 	WRITE_NODE_FIELD(quals);
 }
 
+static void
+_outPartitionPruneStepOp(StringInfo str, const PartitionPruneStepOp *node)
+{
+	WRITE_NODE_TYPE("PARTITIONPRUNESTEPOP");
+
+	WRITE_INT_FIELD(step.step_id);
+	WRITE_INT_FIELD(opstrategy);
+	WRITE_NODE_FIELD(exprs);
+	WRITE_NODE_FIELD(cmpfns);
+	WRITE_BITMAPSET_FIELD(nullkeys);
+}
+
+static void
+_outPartitionPruneStepCombine(StringInfo str, const PartitionPruneStepCombine *node)
+{
+	WRITE_NODE_TYPE("PARTITIONPRUNESTEPCOMBINE");
+
+	WRITE_INT_FIELD(step.step_id);
+	WRITE_ENUM_FIELD(combineOp, PartitionPruneCombineOp);
+	WRITE_NODE_FIELD(source_stepids);
+}
+
 static void
 _outOnConflictExpr(StringInfo str, const OnConflictExpr *node)
 {
@@ -3924,6 +3946,12 @@ outNode(StringInfo str, const void *obj)
 			case T_OnConflictExpr:
 				_outOnConflictExpr(str, obj);
 				break;
+			case T_PartitionPruneStepOp:
+				_outPartitionPruneStepOp(str, obj);
+				break;
+			case T_PartitionPruneStepCombine:
+				_outPartitionPruneStepCombine(str, obj);
+				break;
 			case T_Path:
 				_outPath(str, obj);
 				break;
diff --git a/src/backend/nodes/readfuncs.c b/src/backend/nodes/readfuncs.c
index d02d4ec5b7..8348933151 100644
--- a/src/backend/nodes/readfuncs.c
+++ b/src/backend/nodes/readfuncs.c
@@ -1328,6 +1328,32 @@ _readOnConflictExpr(void)
 	READ_DONE();
 }
 
+static PartitionPruneStepOp *
+_readPartitionPruneStepOp(void)
+{
+	READ_LOCALS(PartitionPruneStepOp);
+
+	READ_INT_FIELD(step.step_id);
+	READ_INT_FIELD(opstrategy);
+	READ_NODE_FIELD(exprs);
+	READ_NODE_FIELD(cmpfns);
+	READ_BITMAPSET_FIELD(nullkeys);
+
+	READ_DONE();
+}
+
+static PartitionPruneStepCombine *
+_readPartitionPruneStepCombine(void)
+{
+	READ_LOCALS(PartitionPruneStepCombine);
+
+	READ_INT_FIELD(step.step_id);
+	READ_ENUM_FIELD(combineOp, PartitionPruneCombineOp);
+	READ_NODE_FIELD(source_stepids);
+
+	READ_DONE();
+}
+
 /*
  *	Stuff from parsenodes.h.
  */
@@ -2572,6 +2598,10 @@ parseNodeString(void)
 		return_value = _readFromExpr();
 	else if (MATCH("ONCONFLICTEXPR", 14))
 		return_value = _readOnConflictExpr();
+	else if (MATCH("PARTITIONPRUNESTEPOP", 20))
+		return_value = _readPartitionPruneStepOp();
+	else if (MATCH("PARTITIONPRUNESTEPCOMBINE", 25))
+		return_value = _readPartitionPruneStepCombine();
 	else if (MATCH("RTE", 3))
 		return_value = _readRangeTblEntry();
 	else if (MATCH("RANGETBLFUNCTION", 16))