How to retrieve specific analysisTypes from Druid Segment Metadata Queries -


how retrieve specific identifiers of columns druid segmentmetadata metdata queries.i expecting result contain cardinality , size ,but analyses returned.

{   "querytype":"segmentmetadata",   "datasource":"wikiticker",   "intervals":["2015-09-1/2015-09-13"],   "analysistypes":["cardinality","size"] }

but still analyses of columns returned in result.
actual result:

"user_unique" : {       "type" : "hyperunique",       "hasmultiplevalues" : false,       "size" : 0,       "cardinality" : null,       "minvalue" : null,       "maxvalue" : null,       "errormessage" : null     }

expected result:

"user_unique" : {             "size" : 0,       "cardinality" : null    }

analysistypes introduced speedup query omitting computation of excluded properties. having result contains null seems expected behavior.


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