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  • Revision Date vs Last Update
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This granule has a last update date of 2017-03-18T15:43:43Z.  

When I perform this granule search with a revision_date range from 2017-03-01T00:00:00Z to 2017-04-13T00:00:00Z, I find the granule.

When I perform this granule search with a revision_date range from 2017-03-05T00:00:00Z to 2017-03-29T00:00:00Z, I don't find the granule.

How come?

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2 Comments

  1. Revision date is an internal CMR field which tracks the time the specific concept revision was ingested into the CMR rather than tracking any metadata field. This particular concept revision was created 2017-04-11 23:27:21. From what I can tell there is no way to search based on last update. Lauren Frederick and Erich Reiter - correct me if there is a way to search based on ECHO10 last update.

  2. That's what I was afraid of... there is a updatedSince search field... but that's unfortunately open ended by definition... which is not what we want.  I can work around it if I have to (which it sounds like I do).

    FYI ... the nuance of what this field actually searched didn't seem to be clearly defined in the docs I looked at.  It's possible/likely that I was speed reading and missed where it was discussed.