这是标准查询
Query query = new Query();
query.addCriteria(Criteria.where("careGiverId").is(careTakerId));
query.addCriteria(Criteria.where("careType").is(careType));
return mongoOperations.count(query, CareLogBean.class);
如何对此应用Mongodb Aggregations ...我将返回计数....帮助我 提前谢谢
答案 0 :(得分:0)
对于使用Spring Mongo 1.10.1的Mongo Server 3.4版本,您可以尝试类似下面的内容。使用$count
聚合运算符。
AggregationOperation match = Aggregation.match(Criteria.where("careGiverId").is(careTakerId).and("careType").is(careType));
AggregationOperation count = Aggregation.count().as("count");
Aggregation agg = Aggregation.newAggregation(match, count);
mongoOperations.aggregate(agg, CareLogBean.class);