I want to achieve following query in elasticsearch.
select max(creationDate - updatedDate) from sudentTable;
how to write above query?
elasticsearch verison is v1.1.1
select max(creationDate) from sudentTable; is writtren like below
public static void max() {
final searchRequestBuilder builder = getClient().prepareSearch("indexname").
setTypes("type1");
MaxBuilder mx = AggregationBuilders.max("maxDate");
mx.field("creationDate");
builder.addAggregation(mx);
System.out.print("builders:::"+builder);
Aggregations ag = builder.execute().actionGet().getAggregations();
InternalMax inMx = ag.get("maxDate");
System.out.print("aggg::"+inMx.getValue()+"\n");
}
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