path: root/debian/mongoimport.1

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.TH "MONGOIMPORT" "1" "October 03, 2013" "2.4" "mongodb-manual"
.SH NAME
mongoimport \- MongoDB
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.SH SYNOPSIS
.sp
The \fBmongoimport\fP tool provides a route to import content from a
JSON, CSV, or TSV export created by \fBmongoexport\fP, or
potentially, another third\-party export tool. See the
http://docs.mongodb.org/manual/core/import\-export document for a more in depth
usage overview, and the \fBmongoexport\fP document for more
information regarding \fBmongoexport\fP, which
provides the inverse "importing" capability.
.sp
\fBNOTE:\fP
.INDENT 0.0
.INDENT 3.5
Do not use \fBmongoimport\fP and \fBmongoexport\fP for
full instance, production backups because they will not reliably capture data type
information. Use \fBmongodump\fP and \fBmongorestore\fP as
described in http://docs.mongodb.org/manual/core/backups for this kind of
functionality.
.UNINDENT
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.SH OPTIONS
.INDENT 0.0
.TP
.B mongoimport
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.TP
.B mongoimport
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.TP
.B \-\-help
Returns a basic help and usage text.
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.TP
.B \-\-verbose, \-v
Increases the amount of internal reporting returned on the command
line. Increase the verbosity with the \fB\-v\fP form by including
the option multiple times, (e.g. \fB\-vvvvv\fP\&.)
.UNINDENT
.INDENT 0.0
.TP
.B \-\-version
Returns the version of the \fBmongoimport\fP program.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-host <hostname><:port>, \-h
Specifies a resolvable hostname for the \fBmongod\fP to which
you want to restore the database. By default \fBmongoimport\fP
will attempt to connect to a MongoDB process ruining on the
localhost port numbered \fB27017\fP\&.
.sp
Optionally, specify a port number to connect a MongoDB instance
running on a port other than \fB27017\fP\&.
.sp
To connect to a replica set, use the \fI\-\-host\fP argument with a
setname, followed by a slash and a comma\-separated list of host and
port names. \fBmongoimport\fP will, given the seed of at least
one connected set member, connect to the \fIprimary\fP of that set. This
option would resemble:
.INDENT 7.0
.INDENT 3.5
.sp
.nf
.ft C
\-\-host repl0/mongo0.example.net,mongo0.example.net:27018,mongo1.example.net,mongo2.example.net
.ft P
.fi
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.sp
You can always connect directly to a single MongoDB instance by
specifying the host and port number directly.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-port <port>
Specifies the port number, if the MongoDB instance is not running on
the standard port. (i.e. \fB27017\fP) You may also specify a port
number using the \fImongoimport \-\-host\fP command.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-ipv6
Enables IPv6 support that allows \fBmongoimport\fP to connect
to the MongoDB instance using an IPv6 network. All MongoDB programs
and processes, including \fBmongoimport\fP, disable IPv6
support by default.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-ssl
New in version 2.4: MongoDB added support for SSL connections to \fBmongod\fP
instances in mongoimport\&.

.sp
\fBNOTE:\fP
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.INDENT 3.5
SSL support in mongoimport is not compiled into the default
distribution of MongoDB. See
http://docs.mongodb.org/manual/tutorial/configure\-ssl for more information on SSL
and MongoDB.
.sp
Additionally, mongoimport does not support connections to
\fBmongod\fP instances that require client certificate
validation.
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.sp
Allows \fBmongoimport\fP to connect to \fBmongod\fP
instance over an SSL connection.
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.TP
.B \-\-username <username>, \-u <username>
Specifies a username to authenticate to the MongoDB instance, if your
database requires authentication. Use in conjunction with the
\fImongoimport \-\-password\fP option to supply a password.
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.INDENT 0.0
.TP
.B \-\-password <password>, \-p <password>
Specifies a password to authenticate to the MongoDB instance. Use
in conjunction with the \fImongoimport \-\-username\fP option to
supply a username.
.sp
If you specify a \fI\-\-username\fP and
do not pass an argument to \fI\-\-password\fP,
\fBmongoimport\fP will prompt for a password interactively. If
you do not specify a password on the command line,
\fI\-\-password\fP must be the last option.
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.TP
.B \-\-authenticationDatabase <dbname>
New in version 2.4.

.sp
Specifies the database that holds the user\(aqs (e.g
\fI\-\-username\fP) credentials.
.sp
By default, \fBmongoimport\fP assumes that the database specified to the
\fI\-\-db\fP argument holds the user\(aqs credentials, unless you
specify \fI\-\-authenticationDatabase\fP\&.
.sp
See \fBuserSource\fP,
http://docs.mongodb.org/manual/reference/privilege\-documents and
http://docs.mongodb.org/manual/reference/user\-privileges for more information about
delegated authentication in MongoDB.
.UNINDENT
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.TP
.B \-\-authenticationMechanism <name>
New in version 2.4.

.sp
Specifies the authentication mechanism. By default, the
authentication mechanism is \fBMONGODB\-CR\fP, which is the MongoDB
challenge/response authentication mechanism. In MongoDB Enterprise,
\fBmongoimport\fP also includes support for \fBGSSAPI\fP to handle
Kerberos authentication.
.sp
See http://docs.mongodb.org/manual/tutorial/control\-access\-to\-mongodb\-with\-kerberos\-authentication
for more information about Kerberos authentication.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-dbpath <path>
Specifies the directory of the MongoDB data files. If used, the
\fI\-\-dbpath\fP option enables
\fBmongoimport\fP to attach directly to local data files and
insert the data without the \fBmongod\fP\&. To run with
\fB\-\-dbpath\fP, \fBmongoimport\fP needs to lock access to the
data directory: as a result, no \fBmongod\fP can access the
same path while the process runs.
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.INDENT 0.0
.TP
.B \-\-directoryperdb
Use the \fI\-\-directoryperdb\fP in conjunction with the
corresponding option to \fBmongod\fP, which allows
\fBmongoimport\fP to import data into MongoDB instances that
have every database\(aqs files saved in discrete directories on the
disk. This option is only relevant when specifying the
\fI\-\-dbpath\fP option.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-journal
Allows \fBmongoexport\fP write to the durability
\fIjournal\fP to ensure that the data files will remain in a
consistent state during the write process. This option is only
relevant when specifying the \fI\-\-dbpath\fP option.
.UNINDENT
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.TP
.B \-\-db <db>, \-d <db>
Use the \fI\-\-db\fP option to specify a database for
\fBmongoimport\fP to import data.
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.INDENT 0.0
.TP
.B \-\-collection <collection>, \-c <collection>
Use the \fI\-\-collection\fP option to specify a collection for
\fBmongoimport\fP to import.
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.TP
.B \-\-fields <field1<,field2>>, \-f <field1[,field2]>
Specify a comma separated list of field names when importing
\fIcsv\fP or \fItsv\fP files that do not have field names in
the first (i.e. header) line of the file.
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.TP
.B \-\-fieldFile <filename>
As an alternative to \fI\%--fields\fP the \fI\%--fieldFile\fP
option allows you to specify a file (e.g. \fB<file>\fP) to that
holds a list of field names if your \fIcsv\fP or \fItsv\fP
file does not include field names in the first (i.e. header) line
of the file. Place one field per line.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-ignoreBlanks
In \fIcsv\fP and \fItsv\fP exports, ignore empty fields. If not
specified, \fBmongoimport\fP creates fields without values in
imported documents.
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.TP
.B \-\-type <json|csv|tsv>
Declare the type of export format to import. The default format is
\fIJSON\fP, but it\(aqs possible to import \fIcsv\fP and
\fItsv\fP files.
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.B \-\-file <filename>
Specify the location of a file containing the data to
import. \fBmongoimport\fP will read data from standard input
(e.g. "stdin.") if you do not specify a file.
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.TP
.B \-\-drop
Modifies the import process so that the target instance
drops every collection before importing the collection from the
input.
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.TP
.B \-\-headerline
If using "\fI\-\-type csv\fP" or
"\fI\-\-type tsv\fP," use the first line as
field names. Otherwise, \fBmongoimport\fP will import the first
line as a distinct document.
.UNINDENT
.INDENT 0.0
.TP
.B \-\-upsert
Modifies the import process to update existing objects in the
database if they match an imported object, while inserting all
other objects.
.sp
If you do not specify a field or fields using the
\fI\%--upsertFields\fP \fBmongoimport\fP will upsert on the
basis of the \fB_id\fP field.
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.TP
.B \-\-upsertFields <field1[,field2]>
Specifies a list of fields for the query portion of the
\fIupsert\fP\&. Use this option if the \fB_id\fP fields in the
existing documents don\(aqt match the field in the document, but
another field or field combination can uniquely identify
documents as a basis for performing upsert operations.
.sp
To ensure adequate performance, indexes should exist for this
field or fields.
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.B \-\-stopOnError
New in version 2.2.

.sp
Forces \fBmongoimport\fP to halt the import operation at the
first error rather than continuing the operation despite errors.
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.B \-\-jsonArray
Changed in version 2.2: The limit on document size increased from 4MB to 16MB.

.sp
Accept import of data expressed with multiple MongoDB documents
within a single \fIJSON\fP array.
.sp
Use in conjunction with \fImongoexport \-\-jsonArray\fP to
import data written as a single \fIJSON\fP array. Limited to
imports of 16 MB or smaller.
.UNINDENT
.SH USAGE
.sp
In this example, \fBmongoimport\fP imports the \fIcsv\fP
formatted data in the \fB/opt/backups/contacts.csv\fP into the
collection \fBcontacts\fP in the \fBusers\fP database on the MongoDB
instance running on the localhost port numbered \fB27017\fP\&.
.INDENT 0.0
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.nf
.ft C
mongoimport \-\-db users \-\-collection contacts \-\-type csv \-\-file /opt/backups/contacts.csv
.ft P
.fi
.UNINDENT
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.sp
In the following example, \fBmongoimport\fP imports the data in
the \fIJSON\fP formatted file \fBcontacts.json\fP into the collection
\fBcontacts\fP on the MongoDB instance running on the localhost port
number 27017. Journaling is explicitly enabled.
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
mongoimport \-\-collection contacts \-\-file contacts.json
.ft P
.fi
.UNINDENT
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.sp
In the next example, \fBmongoimport\fP takes data passed to it on
standard input (i.e. with a \fB|\fP pipe.)  and imports it into the
collection \fBcontacts\fP in the \fBsales\fP database is the
MongoDB datafiles located at \fB/srv/mongodb/\fP\&. if the import process
encounters an error, the \fBmongoimport\fP will halt because of
the \fI\-\-stopOnError\fP option.
.INDENT 0.0
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.sp
.nf
.ft C
mongoimport \-\-db sales \-\-collection contacts \-\-stopOnError \-\-dbpath /srv/mongodb/
.ft P
.fi
.UNINDENT
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.sp
In the final example, \fBmongoimport\fP imports data from the
file \fB/opt/backups/mdb1\-examplenet.json\fP into the collection
\fBcontacts\fP within the database \fBmarketing\fP on a remote MongoDB
database. This \fBmongoimport\fP accesses the \fBmongod\fP
instance running on the host \fBmongodb1.example.net\fP over port
\fB37017\fP, which requires the username \fBuser\fP and the password
\fBpass\fP\&.
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
mongoimport \-\-host mongodb1.example.net \-\-port 37017 \-\-username user \-\-password pass \-\-collection contacts \-\-db marketing \-\-file /opt/backups/mdb1\-examplenet.json
.ft P
.fi
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.SH AUTHOR
MongoDB Documentation Project
.SH COPYRIGHT
2011-2013, MongoDB, Inc.
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