use combined and 'and' or query in the mongo
1、 description: use combined and and or query in the mongo
2、sql query statement:
select * from deviceInfo where devId='11010001' and (sndStatus=0 or sndCount >= 3);
3、match mongo sql query:
db.getCollection("deviceInfo").find({ "devId" : '11010001', "$and" : [{ "$or" : [{ "sndStatus" : 0 }, { "sndCount" : { "$gte" : 3 } }] }] })
4、code example:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | /* * use combined and and or query in the mongo * match mongo sql query: * public void queryAndOrOperator() { Criteria criteria = Criteria.where( "devId" ).is( '11010001' ); Criteria orCriteria1 = Criteria.where( "sndStatus" ).is( 0 ); Criteria orCriteria2 = Criteria.where( "sndCount" ).gte( 3 ); Criteria orAllCriteria = new Criteria().orOperator(orCriteria1, orCriteria2); criteria.andOperator(orAllCriteria); Query query = Query.query(criteria); List<MongoDatabaseEntity> queryList = mongoTemplate.find(query, MongoDatabaseEntity. class ); System.out.println( " query mongo list bases on condition,result is :" + JSON.toJSONString(queryList)); } |
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