Re: how can I only get keySet() returned without values?

[AndreyVel]

Hello  elvis, 

Try to use select special field _key in query.
Ignite stores cache keys and values as _key and _val fields, so we use this
syntax in our SQL query.

QueryCursor<List&lt;?>> qcur = cache.query(new SqlFieldsQuery("select _key
from Person"));



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