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Wrong Output From DBMS_SCHEDULER.EVALUATE_CALENDAR_STRING if Calendaring Syntax Contains PERIODS (Doc ID 2233369.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Information in this document applies to any platform.

Symptoms

Period keyword can be used as an alternative to interval to indicate a different behavior related to bysetpos.

The EVALUATE_CALENDAR_STRING  procedure from the DBMS_SCHEDULER package returns run timestamps by evaluating a specified calendar string. ie, it tells you what the execution dates of a job using the specified calendar string.

While evaluating the calendar string using PERIODs its noticed that it returns the right results for the first 50 dates and then it start skipping.

The output changes after 25th Jan and then again from 16th Feb.

Cause

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