2026-03-12 20:23:15

timhall/miscellaneous/get_stat.sql

@@ -0,0 +1,32 @@
+-- -----------------------------------------------------------------------------------
+-- File Name    : https://oracle-base.com/dba/miscellaneous/get_stat.sql
+-- Author       : Tim Hall
+-- Description  : A function to return the specified statistic value.
+-- Requirements : Select on V_$MYSTAT and V_$STATNAME.
+-- Call Syntax  : Example of checking the amount of PGA memory allocated.
+-- 
+-- DECLARE
+--   l_start NUMBER;
+-- BEGIN
+--   l_start := get_stat('session pga memory');
+-- 
+--   -- Do something.
+-- 
+--   DBMS_OUTPUT.put_line('PGA Memory Allocated : ' || (get_stat('session pga memory') - g_start) || ' bytes');
+-- END;
+-- /
+-- 
+-- Last Modified: 05/03/2018
+-- -----------------------------------------------------------------------------------
+CREATE OR REPLACE FUNCTION get_stat (p_stat IN VARCHAR2) RETURN NUMBER AS
+  l_return  NUMBER;
+BEGIN
+  SELECT ms.value
+  INTO   l_return
+  FROM   v$mystat ms,
+         v$statname sn
+  WHERE  ms.statistic# = sn.statistic#
+  AND    sn.name = p_stat;
+  RETURN l_return;
+END get_stat;
+/