Question

I have a table in which i have some data related to oracle job which executes some procedures.Here is the query and data format.

SELECT SRLNUM, TABLE_NAME, PURPOSE, LAST_UPDATE, DUR,
TO_DATE (TO_CHAR (LAST_UPDATE, 'MM/DD/YYYY HH:MI:SS AM'),'MM/DD/YYYY HH:MI:SS AM')+ DUR / (24 * 60) RUNTIME
FROM V_DASHJOBS

Here is the data of table which have job details

Question is that is there any way that i can detect using query that job has not still run on its RUNTIME and also if job has not run on its RUNTIME then flag 0 should return and if has run then 1 should return.

I am calculating RUNTIME by adding DUR to last_update and also i want to give a relax of 30 minutes to job that job can be run 30 minute late from actual runtime

Answer 1

We can do arithmetic with Oracle’s DATE datatype, so your calculation of RUNTIME is too complex.

This query takes your query and adds a CASE statement to compare the derived RUNTIME with the current datetime. If I have properly understood your requirement, this will allow you to determine whether a job has run as scheduled.

with data as (
    SELECT SRLNUM
          , TABLE_NAME
          , PURPOSE
          , LAST_UPDATE
          , DUR
          , LAST_UPDATE+ (DUR / (24 * 60)) RUNTIME
    FROM V_DASHJOBS )
select data.*
       , case when sysdate < data.runtime then 1 else 0 end as haz_run
       , case when sysdate < data.runtime + (1/48) then 1 else 0 end as haz_run_with_slack
from data
/

The second CASE() statements adds an extra half-hour to the derived runtime, to allow for your supplementary requirement, “that job can be run 30 minute late from actual runtime”.