v1

Author: tanelpoder

snapsys.sql

@@ -0,0 +1,22 @@
+COL snapsys_start FOR A23
+
+WITH FUNCTION sleep(dur IN NUMBER) RETURN NUMBER IS
+    BEGIN
+        DBMS_LOCK.SLEEP(dur);
+        RETURN 1;
+    END;
+SELECT /*+ LEADING (t1, slp) */
+    TO_CHAR(sysdate, 'YYYY-MM-DD HH24:MI:SS') snapsys_start
+  , t1.name
+  , t2.value - t1.value delta
+FROM
+    (SELECT /*+ NO_MERGE */ name, value FROM v$sysstat) t1
+  , (SELECT /*+ NO_MERGE */ sleep(&1) ret  FROM dual) slp
+  , (SELECT /*+ NO_MERGE */ name, value FROM v$sysstat) t2
+WHERE
+    t1.name = t2.name
+AND slp.ret = 1
+AND t2.value - t1.value != 0
+AND REGEXP_LIKE(t1.name, '&2', 'i')
+/
+