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在指定out属性时,使用Out.to("")生成Out对象,不能指定数据库 db.getSiblingDB("test").books.aggregate( [ { $group : { _id : "$author", books: { $push: "$title" } } }, { $out : { db: "reporting", coll: "authors" } } ] )
The text was updated successfully, but these errors were encountered:
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在指定out属性时,使用Out.to("")生成Out对象,不能指定数据库
db.getSiblingDB("test").books.aggregate( [
{ $group : { _id : "$author", books: { $push: "$title" } } },
{ $out : { db: "reporting", coll: "authors" } }
] )
The text was updated successfully, but these errors were encountered: