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javadatabasexodus

Using database cursor instead of skip and limit

I'm not sure if the Cursor defined in this Xodus ticket is the typical database cursor or not, but is there a way to support database cursors with Xodus?

For example, instead of the normal skip/limit approach, a cursor can be used to resume retrieval of the results.

Is there a way to use a cursor instead of skip and limit with Xodus?

Solution

  • In the Environments API there are aleady cursors. The ticket mentioned is about so called persistent cursors in the EntityStore API that could survive through changing transaction and even EntityStore close/open. It's very unlikely that this feature would ever be implemented.