Ģ) the alternative is to do everything is a single query and return just the first and last documents from it: LET results = ( If there are no matching documents for the specified _id_event value, the queries will return null each.
Just one document is returned from each query, and only that document is returned per query. the very first log entry, and the most recent log entry: [ġ) the first one is to execute two queries and return just the top/bottom document from each: RETURN [Īs you can see, one query is using sort order DESC and the other is using sort order ASC. I want a query that will return an array with only the first and last items, i.e. Here's an example: FOR event IN EventTran
I’m trying to work out a query to return an array of only the first and last (by timestamp) EventTran documents for a specified id_event. EventTran attributes include a timestamp, and a reference to the parent _id_event.
Arangodb qal break for update#
I have a transaction detail collection ( EventTran) that logs update details on its parent table ( Event).
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