Hi,
I am using Neo4j version 2.1.7 embedded in my Java application using JRE
1.8.0_32
RelationshipIndex queries with a starting point node seem to work
incorrectly with some data.
For example if I create nodes 1, 2, 3 and 4 and then create relationships
1->2, 1->3 and 1->4:
Node leftNode = createNode("1");
createAndIndexRelationship(leftNode, createNode("2"));
createAndIndexRelationship(leftNode, createNode("3"));
createAndIndexRelationship(leftNode, createNode("4"));
This query returns all three relationships:
relationshipIndex.query(QueryContext.numericRange(
"updateUnixTime", Long.MIN_VALUE, Long.MAX_VALUE));
This query returns just the second two of the relationships:
relationshipIndex.query(QueryContext.numericRange(
"updateUnixTime", Long.MIN_VALUE, Long.MAX_VALUE), leftNode, null);
I confirmed the existence of the nodes and relationships in the Neo4j
webadmin management page.
The first query confirms that the relationship index contains all of the
relationships.
Sometimes my application works for days without this issue appearing, then
it starts happening again.
Restarting the application does not fix the issue.
I experimented and learned some seemingly odd but potentially related
things:
If I readd the relationship with a new value for updateUnixTime the
relationship does NOT start appearing in the query.
If I remove and then readd the relationship with a new value for
updateUnixTime in a single transaction the relationship does NOT start
appearing in the query.
If I remove and then readd the relationship with a new value for
updateUnixTime in a two separate transactions the relationship DOES start
appearing in the query.
I would appreciate if anyone would advise me on potential fixes,
workarounds or ways to further debug this and get to the root cause.
Thank you,
John
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