MongoDB下的高级查询示例 - 数据库编程

d55d5e1db1bb97"), "userId" : "10010176", "userName" : "Bill Tu6", "gender" : "m6", "age" : 6, "rank" : [ 6, 6, 6 ], "interests" : {
"game" : "game6", "ball" : "ball6", "other" : "nothing6" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb98"), "userId" : "10010177", "userName" : "Bill Tu7", "gender" : "m7", "age" : 7, "rank" : [ 7, 7, 7 ], "interests" : {
"game" : "game7", "ball" : "ball7", "other" : "nothing7" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb99"), "userId" : "10010178", "userName" : "Bill Tu8", "gender" : "m8", "age" : 8, "rank" : [ 8, 8, 8 ], "interests" : {
"game" : "game8", "ball" : "ball8", "other" : "nothing8" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb9a"), "userId" : "10010179", "userName" : "Bill Tu9", "gender" : "m9", "age" : 9, "rank" : [ 9, 9, 9 ], "interests" : {
"game" : "game9", "ball" : "ball9", "other" : "nothing9" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb9b"), "userId" : "100101710", "userName" : "Bill Tu10", "gender" : "m10", "age" : 10, "rank" : [ 10, 10, 10 ], "interests" :
{ "game" : "game10", "ball" : "ball10", "other" : "nothing10" } }
> db.data_test.find({$nor:[{"age":{$gt:3}},{"rank":{$all:[1,1]}}]})//查询not (age>3 or rank=all(1,1))
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb93"), "userId" : "10010172", "userName" : "Bill Tu2", "gender" : "m2", "age" : 2, "rank" : [ 2, 2, 2 ], "interests" : {
"game" : "game2", "ball" : "ball2", "other" : "nothing2" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb94"), "userId" : "10010173", "userName" : "Bill Tu3", "gender" : "m3", "age" : 3, "rank" : [ 3, 3, 3 ], "interests" : {
"game" : "game3", "ball" : "ball3", "other" : "nothing3" } }
> db.data_test.find({"rank":{$size:3}})//查询rank数组大小为３的记录
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb92"), "userId" : "10010171", "userName" : "Bill Tu1", "gender" : "m1", "age" : 1, "rank" : [ 1, 1, 1 ], "interests" : {

"game" : "game1", "ball" : "ball1", "other" : "nothing1" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb93"), "userId" : "10010172", "userName" : "Bill Tu2", "gender" : "m2", "age" : 2, "rank" : [ 2, 2, 2 ], "interests" : {
"game" : "game2", "ball" : "ball2", "other" : "nothing2" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb94"), "userId" : "10010173", "userName" : "Bill Tu3", "gender" : "m3", "age" : 3, "rank" : [ 3, 3, 3 ], "interests" : {
"game" : "game3", "ball" : "ball3", "other" : "nothing3" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb95"), "userId" : "10010174", "userName" : "Bill Tu4", "gender" : "m4", "age" : 4, "rank" : [ 4, 4, 4 ], "interests" : {
"game" : "game4", "ball" : "ball4", "other" : "nothing4" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb96"), "userId" : "10010175", "userName" : "Bill Tu5", "gender" : "m5", "age" : 5, "rank" : [ 5, 5, 5 ], "interests" : {
"game" : "game5", "ball" : "ball5", "other" : "nothing5" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb97"), "userId" : "10010176", "userName" : "Bill Tu6", "gender" : "m6", "age" : 6, "rank" : [ 6, 6, 6 ], "interests" : {
"game" : "game6", "ball" : "ball6", "other" : "nothing6" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb98"), "userId" : "10010177", "userName" : "Bill Tu7", "gender" : "m7", "age" : 7, "rank" : [ 7, 7, 7 ], "interests" : {
"game" : "game7", "ball" : "ball7", "other" : "nothing7" } }
{ "_id" : ObjectId("4dd7d214b2d55d5e1db1bb99"), "userId" : "10010178", "userName" : "Bill Tu8", "gender" : "m8", "age" : 8, "rank" : [ 8, 8, 8 ], "interests" : {
"game" : "game8", "ball" : "ball8", "other" : "nothing8" } }
{ "_id" : Object

MongoDB下的高级查询示例(五)