apache / apache/hugegraph

Support stream join with multi-index query

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feature
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Java
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Description

add IdHolderList for intersect and union operations:
union: OR relation, like k=v1 or k=v2 with SecondaryIndex
intersect: AND relation, like k1=v1 and k2=v2 with JointIndex

Note: range/prefix/search query may not be joined by streaming, since element-ids between different field-values are disordered.

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