[BUG] can't drop edge if edge's vertex drop first on GraphScope Store

[iamdrq]

Describe the bug can't drop edge if accidentally drop edge's vertex first on GraphScope Store

To Reproduce 1.create vertexA 2.create edgeB relation vertexA 3.update 4.drop vertexA 5.update 6.drop edgeB (fail)

Expected behavior drop vertexA check vertexA relation edge

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[siyuan0322]

Thanks for reporting! Could you paste the codes so I can get more clear about it. I think it should first drop e together with the src and dst, then drop e. for example:

schema.drop(E, A, A)
schema.drop(E)
schema.update()

Will make more clear and refine about the schema part later. https://github.com/alibaba/GraphScope/blob/1de75338949fbcf7733bdd27328ac4500204be6c/python/graphscope/framework/graph_schema.py#L521

[iamdrq]

I know should drop edge first according to doc. yes, I accidentally drop vertex first.

schema.drop(A)
schema.update()
schema.drop(E, A, A)
schema.update()

then can't drop E

[iamdrq]

additional, I got exception when try load data from S3.

I found some key msg on coordinator pod ( I use GraphScope 0.15.0 on k8s ):

extra diagnostics are as follows: Cannot find such files for 's3://minio.cdst.svc.cluster.local/graph/v.csv'
/tmp/arrow-apache-arrow-1.0.1/cpp/src/arrow/result.cc:28: /tmp/arrow-apache-arrow-1.0.1/cpp/src/arrow/result.cc:28: ValueOrDie called on an error: NotImplemented: Got S3 URI but Arrow compiled without S3 supportValueOrDie called on an error: NotImplemented: Got S3 URI but Arrow compiled without S3 support

How install with S3 support ?

[sighingnow]

Should be a bug and needs a patch.

[sighingnow]

Should be a bug and needs a patch.

We have to two possible solutions:

• upgrade the arrow version in the graphscope-runtime image and enables the S3 support when building arrow
• delegate s3 IO to vineyard-io module

[siyuan0322]

I know should drop edge first according to doc. yes, I accidentally drop vertex first.

schema.drop(A)
schema.update()
schema.drop(E, A, A)
schema.update()

then can't drop E

OK~ Then it's a bug. We shouldn't let the vertex be dropped as long as there is a edge related with it. Will be fixed later. Thanks!