diff --git a/src/backend/commands/createas.c b/src/backend/commands/createas.c
index 9abbb6b555..9568ccc429 100644
--- a/src/backend/commands/createas.c
+++ b/src/backend/commands/createas.c
@@ -51,17 +51,6 @@
 #include "utils/rls.h"
 #include "utils/snapmgr.h"
 
-typedef struct
-{
-	DestReceiver pub;			/* publicly-known function pointers */
-	IntoClause *into;			/* target relation specification */
-	/* These fields are filled by intorel_startup: */
-	Relation	rel;			/* relation to write to */
-	ObjectAddress reladdr;		/* address of rel, for ExecCreateTableAs */
-	CommandId	output_cid;		/* cmin to insert in output tuples */
-	int			ti_options;		/* table_tuple_insert performance options */
-	BulkInsertState bistate;	/* bulk insert state */
-} DR_intorel;
 
 /* utility functions for CTAS definition creation */
 static ObjectAddress create_ctas_internal(List *attrList, IntoClause *into);
diff --git a/src/include/commands/createas.h b/src/include/commands/createas.h
index 54a38491fb..36e6692dc7 100644
--- a/src/include/commands/createas.h
+++ b/src/include/commands/createas.h
@@ -19,6 +19,7 @@
 #include "parser/parse_node.h"
 #include "tcop/dest.h"
 #include "utils/queryenvironment.h"
+#include "access/heapam.h"
 
 
 extern ObjectAddress ExecCreateTableAs(ParseState *pstate, CreateTableAsStmt *stmt,
@@ -31,4 +32,16 @@ extern DestReceiver *CreateIntoRelDestReceiver(IntoClause *intoClause);
 
 extern bool CreateTableAsRelExists(CreateTableAsStmt *ctas);
 
+typedef struct
+{
+    DestReceiver pub;			/* publicly-known function pointers */
+    IntoClause *into;			/* target relation specification */
+    /* These fields are filled by intorel_startup: */
+    Relation	rel;			/* relation to write to */
+    ObjectAddress reladdr;		/* address of rel, for ExecCreateTableAs */
+    CommandId	output_cid;		/* cmin to insert in output tuples */
+    int			ti_options;		/* table_tuple_insert performance options */
+    BulkInsertState bistate;	/* bulk insert state */
+} DR_intorel;
+
 #endif							/* CREATEAS_H */