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oracle/timhall/miscellaneous/get_stat.sql
2026-03-12 21:23:47 +01:00

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1.0 KiB
SQL

-- -----------------------------------------------------------------------------------
-- 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;
/