Details
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Bug
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Status: Closed
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Major - P3
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Resolution: Fixed
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None
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Not Needed
Description
When reading bson data from stdin without the --archive flag, mongorestore reads the data as if reading a single BSON file, therefore requiring the specification of a collection. However, it also prints a deprecation message saying that specifying a collection is deprecated and to use --nsInclude instead, an option that does not work when restoring single BSON files. This warning should be updated to only be printed when restoring from stdin with --archive.
e.g.
~/mongo $ cat dump/test/caf%C3%A9s.bson | ./mongodb-4.2.0-rc2/bin/mongorestore
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-u kayadmin -p abc123 --authenticationDatabase=admin --db test --collection
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cafes -
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2019-07-08T14:28:52.937-0400 the --db and --collection args should only be used
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when restoring from a BSON file. Other uses are deprecated and will not exist in
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the future; use --nsInclude instead
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2019-07-08T14:28:52.938-0400 setting up a collection to be read from standard
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input
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2019-07-08T14:28:52.938-0400 restoring to existing collection test.cafes without
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dropping
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2019-07-08T14:28:52.938-0400 restoring test.cafes from -
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2019-07-08T14:28:53.002-0400 no indexes to restore
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2019-07-08T14:28:53.002-0400 finished restoring test.cafes (2 documents, 0
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failures)
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2019-07-08T14:28:53.002-0400 2 document(s) restored successfully. 0 document(s)
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failed to restore.
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But, the following examples don't seem to work:
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cat dump/test/caf%C3%A9s.bson | ./mongodb-4.2.0-rc2/bin/mongorestore -u kayadmin
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-p abc123 --authenticationDatabase=admin --nsInclude test.cafe -
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2019-07-08T14:42:35.814-0400 Failed: cannot restore from stdin without a
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specified collection
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2019-07-08T14:42:35.815-0400 0 document(s) restored successfully. 0 document(s)
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failed to restore.
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~/mongo $ ./mongodb-4.2.0-rc2/bin/mongodump --port 27018 -u kayadmin -p abc123
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--authenticationDatabase=admin --db test --collection cafés |
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./mongodb-4.2.0-rc2/bin/mongorestore -u kayadmin --authenticationDatabase=admin
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-p abc123 --db=test --collection cafes -
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2019-07-08T14:25:15.159-0400 the --db and --collection args should only be used
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when restoring from a BSON file. Other uses are deprecated and will not exist in
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the future; use --nsInclude instead
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2019-07-08T14:25:15.159-0400 setting up a collection to be read from standard
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input
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2019-07-08T14:25:15.159-0400 writing test.cafés to
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2019-07-08T14:25:15.160-0400 done dumping test.cafés (2 documents)
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2019-07-08T14:25:15.194-0400 restoring test.cafes from -
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2019-07-08T14:25:15.265-0400 no indexes to restore
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2019-07-08T14:25:15.265-0400 finished restoring test.cafes (0 documents, 0
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failures)
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2019-07-08T14:25:15.265-0400 0 document(s) restored successfully. 0 document(s)
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failed to restore.
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~/mongo $ ./mongodb-4.2.0-rc2/bin/mongodump --port 27018 -u kayadmin -p abc123
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--authenticationDatabase=admin --db test --collection cafés |
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./mongodb-4.2.0-rc2/bin/mongorestore -u kayadmin -p abc123
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--authenticationDatabase=admin --nsInclude test.cafés -
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2019-07-08T14:25:32.192-0400 Failed: cannot restore from stdin without a
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specified collection
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2019-07-08T14:25:32.192-0400 0 document(s) restored successfully. 0 document(s)
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failed to restore.
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2019-07-08T14:25:32.193-0400 writing test.cafés to
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2019-07-08T14:25:32.194-0400 done dumping test.cafés (2 documents)
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Thank you to kaykim106@gmail.com for finding this!