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.TH "MONGOC_BULK_OPERATION_UPDATE_ONE" "3" "Jun 04, 2021" "1.17.6" "libmongoc"
.SH NAME
mongoc_bulk_operation_update_one \- mongoc_bulk_operation_update_one()
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.SH SYNOPSIS
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.INDENT 3.5
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.ft C
void
mongoc_bulk_operation_update_one (mongoc_bulk_operation_t *bulk,
                                  const bson_t *selector,
                                  const bson_t *document,
                                  bool upsert);
.ft P
.fi
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This function queues an update as part of a bulk operation. It will only modify a single document on the MongoDB server. This function does not execute the operation. To execute the entirety of the bulk operation call \fBmongoc_bulk_operation_execute()\fP\&.
.sp
This function is superseded by \fBmongoc_bulk_operation_update_one_with_opts()\fP\&.
.SH PARAMETERS
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.IP \(bu 2
\fBbulk\fP: A \fBmongoc_bulk_operation_t\fP\&.
.IP \(bu 2
\fBselector\fP: A \fI\%bson_t\fP that selects which document to remove.
.IP \(bu 2
\fBdocument\fP: A \fI\%bson_t\fP containing the update document.
.IP \(bu 2
\fBupsert\fP: \fBtrue\fP if an \fBupsert\fP should be performed.
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\fBWARNING:\fP
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\fBdocument\fP \fImust only\fP contain fields whose key starts with \fB$\fP\&. See the update document specification for more details.
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.SH SEE ALSO
.sp
\fBmongoc_bulk_operation_update()\fP
.sp
\fBmongoc_bulk_operation_update_one_with_opts()\fP
.SH AUTHOR
MongoDB, Inc
.SH COPYRIGHT
2017-present, MongoDB, Inc
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