Add index:
db.test1.createIndex({name: 1},{unique: true}); # Name is the key word Unique: unique index
db.test1.getindexes () # Query index
Appears when Python inserts duplicate data pymongo.errors.DuplicateKeyError Wrong.
try:
db.test1.save(post)
except pymongo.errors.DuplicateKeyError:
print(111)Read More:
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