GetNeighbors Filter Pushdown for more cases(filter on dst vertex, yield vertex)

[wey-gu]

Introduction
When looking into this discussion in the forum, it's found now the GetNeighbors Pushdown:

• Only take cares of source vertex conditions filter
• Don't pushdown when yield dst vertex

we could see ref in tck cases, some DST filter vertex cases were skipped

The mitigation provided are:

• suggested duplicating some information from DST vertex to edge
• yield DST(edge) and do FETCH PROP in the pipeline

,which seems doable for now, but it's hard for users to know this trick :-P.

It'll be much easier for users to write performant queries when outgoing edges are like 10K+ if we could try implementing filter pushdown on more cases :).

Contents

• https://discuss.nebula-graph.com.cn/t/topic/10472/16

Related work

n/a