Files
oracle/vg/ash_sessions.sql
2026-03-12 21:23:47 +01:00

133 lines
5.9 KiB
SQL

@@header
/*
*
* Author : Vishal Gupta
* Purpose : Display Session details from ASH
* Compatibility : 10.1 and above
* Parameters : 1 - Number of hours (Default 1 hour)
* 2 - SQLExec Duration (in Seconds) (Default 60 sec)
* 3 - DB User Name (Default '%')
* 4 - Program (Default '%')
* 5 - Service Name (Default '%')
* 6 - Where Clause
*
*
* Revision History:
* ===================
* Date Author Description
* --------- ------------ -----------------------------------------
* 20-MAR-15 Vishal Gupta Modified input parameter and renamed script
* from ash_sid_details.sql to ash_sessions.sql
* 03-FEB-14 Vishal Gupta Created
*
*/
/************************************
* INPUT PARAMETERS
************************************/
UNDEFINE HOURS
UNDEFINE DURATION
UNDEFINE USERNAME
UNDEFINE PROGRAM
UNDEFINE SERVICE_NAME
UNDEFINE WHERECLAUSE
DEFINE HOURS="&&1"
DEFINE DURATION="&&2"
DEFINE USERNAME="&&3"
DEFINE PROGRAM="&&4"
DEFINE SERVICE_NAME="&&5"
DEFINE WHERECLAUSE="&&6"
COLUMN _HOURS NEW_VALUE HOURS NOPRINT
COLUMN _DURATION NEW_VALUE DURATION NOPRINT
COLUMN _USERNAME NEW_VALUE USERNAME NOPRINT
COLUMN _PROGRAM NEW_VALUE PROGRAM NOPRINT
COLUMN _SERVICE_NAME NEW_VALUE SERVICE_NAME NOPRINT
COLUMN _SERVICE_NAME NEW_VALUE SERVICE_NAME NOPRINT
set term off
SELECT DECODE(UPPER('&&HOURS'),'','1',UPPER('&&HOURS')) "_HOURS"
, DECODE(UPPER('&&DURATION'),'','60',UPPER(DURATION)) "_DURATION"
, DECODE(UPPER('&&USERNAME'),'','%',UPPER('&&USERNAME')) "_USERNAME"
, DECODE(UPPER('&&PROGRAM'),'','%',UPPER('&&PROGRAM')) "_PROGRAM"
, DECODE(UPPER('&&SERVICE_NAME'),'','%',UPPER('&&SERVICE_NAME')) "_SERVICE_NAME"
FROM DUAL;
set term on
/***********************************/
PROMPT ***************************************************
PROMPT * ASH SQL Details
PROMPT *
PROMPT * Input Parameter:
PROMPT * Number of Hours = "&&HOURS"
PROMPT * SQLExec Duration = "&&DURATION" seconds
PROMPT * DB UserName = "&&USERNAME"
PROMPT * Program = "&&PROGRAM"
PROMPT * ServiceName = "&&SERVICE_NAME"
PROMPT * WhereClause = "&&WHERECLAUSE"
PROMPT ***************************************************
COLUMN session_id HEADING "SID" FORMAT 99999
COLUMN inst_id HEADING "I#" FORMAT 99
COLUMN "session_serial#" HEADING "Serial#" FORMAT 999999
COLUMN sample_time_min FORMAT a18
COLUMN sample_time_max FORMAT a18
COLUMN username HEADING "DBUser" FORMAT a18
COLUMN service_name HEADING "ServiceName" FORMAT a21
COLUMN program HEADING "Program" FORMAT a25 TRUNCATE
COLUMN machine HEADING "Machine" FORMAT a25 TRUNCATE
COLUMN module HEADING "Module" FORMAT a25 TRUNCATE
-- Get the SQL Statements from ASH
SELECT /*+ parallel(ash, 10) */
--ash.sql_exec_id,
NVL(ash.qc_session_id,ash.session_id) session_id
, NVL(ash.qc_instance_id,ash.inst_id) inst_id
, NVL(ash.qc_session_serial#,ash.session_serial#) session_serial#
, TO_CHAR(MIN(ash.sample_time),'DD-MON-YY HH24:MI:SS') sample_time_min
, TO_CHAR(max(ash.sample_time) ,'DD-MON-YY HH24:MI:SS') sample_time_max
, u.username
, s.name service_name
, NVL(ash_parent.program,ash.program) program
, ash.machine
, ash.module
FROM gv$active_session_history ash
JOIN dba_users u ON u.user_id = ash.user_id
JOIN dba_services s ON s.name_hash = ash.service_hash
LEFT OUTER JOIN gv$active_session_history ash_parent
ON ash_parent.inst_id = ash.qc_instance_id
AND ash_parent.session_id = ash.qc_session_id
AND ash_parent.session_serial# = ash.qc_session_serial#
AND CAST(ash_parent.sample_time as DATE) = ash.sql_exec_start
WHERE ash.sql_id IS NOT NULL
-- AND NVL(ash.qc_instance_id,ash.inst_id) LIKE '&&INST_ID'
-- AND NVL(ash.qc_session_id,ash.session_id) LIKE '&&SID'
-- AND NVL(ash.qc_session_serial#,ash.session_serial#) LIKE '&&SERIAL'
AND ash.sample_time > sysdate - (&&HOURS/24)
AND (ash_parent.sample_time IS NULL or ash_parent.sample_time > sysdate - (&&HOURS/24))
AND ash.sql_exec_id IS NOT NULL
AND (cast(ash.sample_time as date) - ash.sql_exec_start)* 24*60*60 > '&&DURATION'
-- AND ash.user_id = (select user_id from dba_users where username LIKE '&&USERNAME')
-- AND ash.service_hash = (select name_hash from dba_services where name LIKE '&&SERVICE_NAME')
AND ash.program LIKE '&&PROGRAM'
&&WHERECLAUSE
GROUP BY NVL(ash.qc_session_id,ash.session_id)
, NVL(ash.qc_instance_id,ash.inst_id)
, NVL(ash.qc_session_serial#,ash.session_serial#)
, u.username
, s.name
, NVL(ash_parent.program,ash.program)
, ash.machine
, ash.module
ORDER BY MIN(ash.sample_time) ASC
, max(ash.sample_time) asc
;
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