Created
May 5, 2019 12:38
-
-
Save NameNolen/fb29f354ecdbb3d84f8951ba4844b95f to your computer and use it in GitHub Desktop.
扁平化mongo中的数组对象
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| db.getCollection('table').aggregate | |
| ([ {$match:{"a" : {$gt:"2018-01-01 08:24:35"}}}, | |
| { $unwind: {path: '$fillDocArray(subDoc)'}}, | |
| { $project: { 'b':1, | |
| 'c':1, | |
| 'd':1, | |
| 'e': 1, | |
| another_a: '$subDoc.subfield1', | |
| another_b:'$subDoc.subfield'} } | |
| ]) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment