Item11811: MongoDB silently ignores topics which have no _latestIsLoaded version

I've been using a crusty version of trunk in production for a long time now, so I don't know if this inconsistency arises any more using current code.

However, it would be nice to add this sanity check anyway:

Currently, ./rest /MongoDBPlugin/update -updateweb Main loads all versions of all topics in Main into mongo.

• IF MongoDB already has all versions of all topics for Main loaded, and
• IF some topics have multiple versions but none have _latestIsLoaded true, such that

  db.current.find({_topic: 'AcaciaGroup', _latestIsLoaded: NumberLong(1)})

  yields zero results but

  db.current.find({_topic: 'AcaciaGroup', _latestIsLoaded: NumberLong(0)})

  does
• THEN those topics will fail to match any SEARCH (and can harm topic-based *Group membership)

So, please let's have a sanity check so that re-importing webs with these kinds of semi-mangled topics are fixed up so that at least one of the versions has _latistIsLoaded true

The work-around is to run ./rest /MongoDBPlugin/update -updateweb Main -revision off which seems to fixup _latestIsLoaded

-- PaulHarvey - 03 May 2012

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