START and STOP Keywords

Use the START and STOP keyword pair to specify a beginning and ending time stamp by which to select messages for processing. Message Advisor selects all messages with a time stamp that is the same as or occurs after the START keyword value. In other words, the time stamps must be greater than or equal to (≥) the START keyword value, and less than or equal to (≤) the STOP keyword value:

START ≥ time stamp ≤ STOP

When the START keyword value equals the STOP keyword value, Message Advisor selects only those messages with exactly that time stamp.

You can also use the START and STOP keywords independently. Use the START keyword alone to select all messages with a time stamp that occurs after a specific time, and use the STOP keyword alone to select all messages with a time stamp that occurs before a specific time. If you specify both keywords on the same INTERVAL subcommand, the START time must be the same as or occur before the STOP time.

Example

Consider a data set with records for a specific date, 01288:

  • If START=01288/0907480 and STOP=01288/0907480, Message Advisor returns all messages with that exact time stamp.
  • If START=01288/0907480 and STOP=01289/0907480 (the next day), Message Advisor returns all messages from 9:07:48 on the first day until 9:07:48 on the next day.
  • If START=01287/0907480 and STOP is not used, Message Advisor returns all messages after 9:07:48 on that day, including messages with that exact time stamp and including all messages from subsequent days.

This section contains the following topic:

Related topic

INTERVAL-subcommand



 

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