On Monday, February 3, 2014 9:42:52 PM UTC, Michael Hunger wrote: > > Did you by chance update from 2.0-M06 to 2.0 final? Without rebuilding the > label store? see > http://blog.neo4j.org/2013/11/neo4j-200-rc1-final-preparations.html >
Nope. I'm still using neo4j-community-2.0.0-M06. Nevertheless, i'll try rebuilding the label data store. Thanks! > > > > what happens if you run: > > START g=node(*) WERE g:GROUP RETURN ID(g); > > > > Caution: manual upgrade between milestones > Data stores created with any previous milestone version can not be used > with 2.0.0-RC1 unless a manual upgrade is performed. This is due to > incompatible changes made to the store files. Please proceed with caution, > backing up your data before attempting to manually upgrade. > > > Manual upgrade (only from 2.0.0-M06, and after you've backed up): > > 1. Cleanly shut down on the old version on Neo4j 2.0.0-M06 > $ bin/neo4j stop > 2. Navigate to the database directory > $ cd data/graph.db > 3. Delete the label scan store (this is the critical part that has a > new format). It will be recreated on startup. > $ rm -rf schema/label > 4. Start with the new version of Neo4j 2.0.0-RC1 > $ bin/neo4j start > > > > Am 03.02.2014 um 17:52 schrieb Jorge Braz <[email protected]<javascript:> > >: > > Hi there, > > I have two different CYPHER queries, that i believe should return the save > result: > > MATCH (g:GROUP) RETURN ID(g); > START g=node(*) MATCH (g:GROUP) RETURN ID(g); > > The first query should get all nodes that have the label GROUP, while the > second one should select all nodes and then > match only the nodes that have the GROUP label. > I guess that, in theory, the node IDs returned by both queries should be > the same. That's not whats happening. > > neo4j-sh (0)$ PROFILE MATCH (g:GROUP) RETURN ID(g); > ==> +-------+ > ==> | ID(g) | > ==> +-------+ > ==> | 181 | > ==> | 204 | > ==> | 205 | > ==> | 389 | > ==> | 391 | > ==> | 376 | > ==> | 202 | > ==> | 447 | > ==> | 416 | > ==> | 610 | > ==> | 19173 | > ==> | 393 | > ==> | 19245 | > ==> | 19301 | > ==> | 19246 | > ==> | 233 | > ==> | 608 | > ==> | 611 | > ==> +-------+ > ==> 18 rows > ==> > ==> ColumnFilter(symKeys=["g", "ID(g)"], returnItemNames=["ID(g)"], > _rows=18, _db_hits=0) > ==> Extract(symKeys=["g"], exprKeys=["ID(g)"], _rows=18, _db_hits=0) > ==> Filter(pred="hasLabel(g:GROUP(18))", _rows=18, _db_hits=0) > ==> NodeByLabel(label="GROUP", identifier="g", _rows=18, _db_hits=0) > > neo4j-sh (0)$ PROFILE START g=node(*) MATCH (g:GROUP) RETURN ID(g); > ==> +-------+ > ==> | ID(g) | > ==> +-------+ > ==> | 181 | > ==> | 202 | > ==> | 204 | > ==> | 205 | > ==> | 233 | > ==> | 288 | > ==> | 292 | > ==> | 376 | > ==> | 389 | > ==> | 391 | > ==> | 393 | > ==> | 416 | > ==> | 447 | > ==> | 504 | > ==> | 505 | > ==> | 510 | > ==> | 511 | > ==> | 513 | > ==> | 515 | > ==> | 608 | > ==> | 610 | > ==> | 611 | > ==> | 19173 | > ==> | 19245 | > ==> | 19246 | > ==> | 19301 | > ==> +-------+ > ==> 26 rows > ==> > ==> ColumnFilter(symKeys=["g", "ID(g)"], returnItemNames=["ID(g)"], > _rows=26, _db_hits=0) > ==> Extract(symKeys=["g"], exprKeys=["ID(g)"], _rows=26, _db_hits=0) > ==> Filter(pred="hasLabel(g:GROUP(18))", _rows=26, _db_hits=0) > ==> AllNodes(identifier="g", _rows=836, _db_hits=836) > > Looking at the PROFILE result i can confirm that 26 nodes " > hasLabel(g:GROUP(18))" but only 18 return when "NodeByLabel(label="GROUP" > ". > I'm trying to understand why this is happening but i'm stuck. > > It might be important to mention that these nodes are also indexed in an > Index called "Group". I know that something wrong happened while creating > the "missing" > 8 nodes, because they also weren't properly indexes on Group Index. But i > was able to fix it, forcing the nodes to be added to the index. But i'm not > really sure > how to force the nodes to be labeled, because if I ask for their LABELS(), > they return all the correct labels. > > Do any of you guys have any suggestion on how should I try to tackle this > problem? > > Thanks! > > -- > You received this message because you are subscribed to the Google Groups > "Neo4j" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- You received this message because you are subscribed to the Google Groups "Neo4j" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
