Hello Giuseppe,
Thank you for response, below are my answers for each doubt you have.
you have events from two sourcetypes,
Ans: Yes, i have two different sourcetype
field mydate is present in all events of both sourcetypes,
Ans: Yes. Its present in both the sourcetypes
when you say where the date field "mydate" is different, do you mean different by what?
Ans: different by date
when you say that date should be within one year and two months from "xyz" sourcetype date field "mydate", do you mean from the first, the last or what date of "xyz" sourcetype?
Ans: it means the events(result) from "abc" should be within range of (ie one year two months) from "xyz" sourcetype field "mydate".
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