> My understanding is this:
And it is wrong. Consider the following snippet:
GraphDatabaseService graphDb = new EmbeddedGraphDatabase("var/base");
Transaction tx = graphDb.beginTx();
Node firstNode = graphDb.createNode();
Node secondNode = graphDb.createNode();
System.out.println(firstNode.getId());
System.out.println(secondNode.getId());
secondNode.delete();
Node thirdNode = graphDb.createNode();
System.out.println(thirdNode.getId());
tx.success();
tx.finish();
tx = graphDb.beginTx();
Node fourthNode = graphDb.createNode();
System.out.println(fourthNode.getId());
tx.success();
tx.finish();
graphDb.shutdown();
If the id pool was reused after a successful commit() (success() in
the above code) as I described then, on a new db, this should print
1
2
3
2
but instead it prints
1
2
3
4
The id 2 is reused upon restart of the db.
That will teach me to speak without checking first. What I did wrong
is left as an exercise for tomorrow.
cheers,
CG
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