实例
public long countBetweenFields(String userId){
Criteria criteria = new Criteria() {
@Override
public DBObject getCriteriaObject() {
DBObject obj = new BasicDBObject();
obj.put("$where", "this.lastUpdateTime > this.lastReadTime");
return obj;
}
};
Query query = new Query();
query.addCriteria(Criteria.where("userId").is(userId));
query.addCriteria(criteria);
return mongoTemplate.count(query,"forum");
}
mongodb
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