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我有两个集合已经获得了奖项和团队名单。我想通过一些小的转变将整个奖项ETL作为子文档(其他(团队)),但我只从奖项中获得一份子文档。mongo db从另一个集合中添加子文档
这是我使用的代码。团队拥有唯一的编号索引,并且看起来像最终文档减去accolade子文档。但是只有一个accolade子文档被添加到数组中。我错过了什么?
db.awardout.find().forEach(function(award_team){
if(award_team != null)
{
db.teams.findAndModify(
{
query: {number: award_team.team},
update: { $set: {accolades: [ {sku: award_team.sku, acc_category: "Award", acc_name: award_team.name }] } },
upsert: true,
});
}
});
样品奖(队能赢得多个奖项和荣誉是要奖励集合以后汇总计算):
/* 18 */
{
"_id" : ObjectId("552077289ad9c19e809965de"),
"sku" : "RE-VRC-14-0110",
"name" : "Tournament Finalists (VRC/VEXU)",
"team" : "44",
"qualifies" : [],
"order" : "1"
}
/* 35 */
{
"_id" : ObjectId("552077289ad9c19e809965ef"),
"sku" : "RE-VRC-14-0110",
"name" : "Robot Skills Winner (VRC/VEXU)",
"team" : "44",
"qualifies" : [],
"order" : "4"
}
这里是团队变成只有一个荣誉添加了什么:
{
"_id" : ObjectId("552071f69ad9c19e80996432"),
"program" : "VRC",
"robot_name" : "Fred VII",
"organisation" : "Green Egg Robotics",
"region" : "Massachusetts",
"country" : "United States",
"number" : "44",
"team_name" : "Green Egg Robotics",
"city" : "Oakham",
"grade" : "High School",
"is_registered" : "0",
"accolades" : [{
"sku" : "RE-VRC-14-0110",
"acc_category" : "Award",
"acc_name" : "Think Award (VRC/VEXU)"
}]
}
我会期待两个荣誉被添加到数组中。我是否需要将奖励对象ID携带到团队子文档中?
谢谢。一旦我恢复了团队,它就像冠军一样工作。得到正确的赞誉正确的地方! –