MongoDB 5.0 帮助手册 - 开发教程
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🌱 $switch(aggregation)
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2023-05-10 20:19:19
参考
参考
https://docs.mongodb.com/manual/reference/operator/aggregation/switch
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MongoDB 5.0 手册说明
Aggregation 聚合
Aggregation Reference 聚合参考
Aggregation Pipeline Quick Reference 聚合管道快速参考
⚗️ Operator Expressions 运算符表达式
✅ Expressions 表达式
✅ Variables in Aggregation Expressions 聚合表达式中的变量
🌱 Replication 副本
✅ Replica Set Deployment Tutorials 副本集部署教程
✅ Deploy a Replica Set
🌱 Deploy a Replica Set for Testing and Development
✅ Convert a Standalone to a Replica Set 将独立实例转换为副本集
Reference 参考
Operators 运算符
🌱 Aggregation Pipeline Stages 聚合管道阶段
🌱 $replaceRoot(aggregation)
🌱 $group(aggregation)
✅ $addFields(aggregation)
✅ $count(aggregation)
✅ $limit(aggregation)
✅ $lookup(aggregation)
✅ $match(aggregation)
✅ $project(aggregation)
✅ $set(aggregation)
✅ $skip(aggregation)
✅ $sort(aggregation)
✅ $unset(aggregation)
🌱 Aggregation Pipeline Operators 聚合管道运算符
Date Expression Operators 日期表达式运算符
🌱 $dateToString(aggregation)
Accumulators($group, $bucket, $bucketAuto, $setWindowFields) 累加器
🌱 $count(aggregation accumulator)
Comparison Expression Operators 比较表达式运算符
🌱 $lte(aggregation)
🌱 $lt(aggregation)
🌱 $gte(aggregation)
🌱 $gt(aggregation)
🌱 $ne(aggregation)
🌱 $eq(aggregation)
Conditional Expression Operators 条件表达式运算符
🌱 $switch(aggregation)
🌱 $cond(aggregation)
String Expression Operators 字符串表达式运算符
🌱 $concat(aggregation)
Boolean Expression Operators 布尔表达式运算符
🌱 $or(aggregation)
Array Expression Operations 数组表达式运算符
🌱 $size(aggregation)
🌱 $filter(aggregation)
🌱 $reduce(aggregation)
🌱 $first(array operator)
🌱 $map(aggregation)
⚗️ Glossary 词汇表
Pratical 实践
⚗️ Pratical MongoDB Aggregation
⚗️ 参考书籍
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