post json:
{
"queryType":"segmentMetadata",
"dataSource":"sample_datasource",
"merge":"true",
"intervals":["2018-08-30/2018-08-31"]
}
return info:
[ {
"id" : "some_id",
"intervals" : [ "2013-05-13T00:00:00.000Z/2013-05-14T00:00:00.000Z" ],
"columns" : {
"__time" : { "type" : "LONG", "hasMultipleValues" : false, "size" : 0,
"cardinality" : null, "errorMessage" : null },
"dim1" : { "type" : "STRING", "hasMultipleValues" : false, "size" : 0,
"cardinality" : 1944, "errorMessage" : null },
"dim2" : { "type" : "STRING", "hasMultipleValues" : true, "size" : 0,
"cardinality" : 1504, "errorMessage" : null },
"metric1" : { "type" : "FLOAT", "hasMultipleValues" : false, "size" : 0,
"cardinality" : null, "errorMessage" : null }
},
"aggregators" : {
"metric1" : { "type" : "longSum", "name" : "metric1", "fieldName" :
"metric1" }
},
"queryGranularity" : {
"type": "none"
},
"size" : 0,
"numRows" : 5000000
} ]
when I use segment metadata queries, it return per-segment information, but
size field always is 0. How should I solve this problem?
[ Full content available at:
https://github.com/apache/incubator-druid/issues/6280 ]
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