Dynamic select within query not working.
Any insights or help would be greatly appreciated.
I have to pass a list of lists in the format below. Hundreds of them which is why I'm trying to iterate in a single query.
Please explain why accessing element 0 within the row data works here:
g.inject([['2011-12-01', 3873], ['2023-12-02', 3946], ['2023-12-03', 3997]]).
unfold().as('row').
coalesce(
select('row').limit(local, 1).unfold()
)
But nesting the select within the query to return a matching Vertex does not:
g.inject([['2011-12-01', 3873], ['2023-12-02', 3946], ['2023-12-03', 3997]]).
unfold().as('row').
coalesce(
__.V().hasLabel('UsdValue').has('date', select('row').limit(local, 1).unfold())
)
Ultimately trying to create an if/then exists query but I can't get it to even match.
I have to pass a list of lists in the format below. Hundreds of them which is why I'm trying to iterate in a single query.
Please explain why accessing element 0 within the row data works here:
g.inject([['2011-12-01', 3873], ['2023-12-02', 3946], ['2023-12-03', 3997]]).
unfold().as('row').
coalesce(
select('row').limit(local, 1).unfold()
)
But nesting the select within the query to return a matching Vertex does not:
g.inject([['2011-12-01', 3873], ['2023-12-02', 3946], ['2023-12-03', 3997]]).
unfold().as('row').
coalesce(
__.V().hasLabel('UsdValue').has('date', select('row').limit(local, 1).unfold())
)
Ultimately trying to create an if/then exists query but I can't get it to even match.
Solution
Sorry it took a while for someone to get to this. I think your problem here is that you are trying to use
has(String, Traversal)__.V().hasLabel('UsdValue').has('date', select('row').limit(local, 1).unfold())has()PTraversalTraversaltrue
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