Vendor RELKIND_HAS_TABLE_AM for PG14

src/pg/relations.cpp

@@ -17,6 +17,20 @@ namespace pgduckdb {
 
 #undef RelationGetDescr
 
+#if PG_VERSION_NUM < 150000
+/*
+ * Relation kinds with a table access method (rd_tableam).  Although sequences
+ * use the heap table AM, they are enough of a special case in most uses that
+ * they are not included here.  Likewise, partitioned tables can have an access
+ * method defined so that their partitions can inherit it, but they do not set
+ * rd_tableam; hence, this is handled specially outside of this macro.
+ */
+#define RELKIND_HAS_TABLE_AM(relkind) \
+	((relkind) == RELKIND_RELATION || \
+	 (relkind) == RELKIND_TOASTVALUE || \
+	 (relkind) == RELKIND_MATVIEW)
+#endif
+
 TupleDesc
 RelationGetDescr(Relation rel) {
 	return rel->rd_att;