1024programmer Java Mongodb cannot create an index [mongodb tutorial]

Mongodb cannot create an index [mongodb tutorial]

python

For some reasons, exporting a mongodb The data was then imported to a new database, and an error occurred when re-indexing:

“errmsg” : “exception: WiredTigerIndex::insert: key too large to index, failing 1663 { : “sdfsdffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff dfsdffffffffffffffffffffffffffffffffffffffffff …”, : “EMAIL” }”

Processing method, find the junk data and modify EMAIL to a normal format:

[email protected]_delete

To find this data, use the command:

db.T_User.find(“this.email && this.email.length>60”)

The index can then be created.

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