9.4 support

diff --git a/smlar.c b/smlar.c
index 7b34c6e..ef89e80 100644 (file)
--- a/smlar.c
+++ b/smlar.c
@@ -22,6 +22,12 @@
 
 PG_MODULE_MAGIC;
 
+#if (PG_VERSION_NUM >= 90400)
+#define SNAPSHOT NULL
+#else
+#define SNAPSHOT SnapshotNow
+#endif
+
 static Oid
 getDefaultOpclass(Oid amoid, Oid typid) 
 {
@@ -40,7 +46,7 @@ getDefaultOpclass(Oid amoid, Oid typid)
 
        scan = systable_beginscan(heapRel, 
                                                                OpclassAmNameNspIndexId, true, 
-                                                               SnapshotNow, 1, &skey);
+                                                               SNAPSHOT, 1, &skey);
 
        while (HeapTupleIsValid((tuple = systable_getnext(scan))))
        {
@@ -132,7 +138,7 @@ getAMProc(Oid amoid, Oid typid)
 #endif
 
        scan = systable_beginscan(heapRel, AccessMethodProcedureIndexId, true,
-                                                               SnapshotNow, 
+                                                               SNAPSHOT, 
 #if PG_VERSION_NUM >= 90200
                                                                4,
 #else