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.\" ========================================================================
.\"
.IX Title "MongoDB::BulkWriteView 3pm"
.TH MongoDB::BulkWriteView 3pm "2014-10-09" "perl v5.20.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH "NAME"
MongoDB::BulkWriteView \- Bulk write operations against a query document
.SH "VERSION"
.IX Header "VERSION"
version v0.705.0.0
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&    my $bulk = $collection\->initialize_ordered_bulk_op;
\&
\&    # Update one document matching the selector
\&    bulk\->find( { a => 1 } )\->update_one( { \*(Aq$inc\*(Aq => { x => 1 } } );
\&
\&    # Update all documents matching the selector
\&    bulk\->find( { a => 2 } )\->update( { \*(Aq$inc\*(Aq => { x => 2 } } );
\&
\&    # Update all documents
\&    bulk\->find( {} )\->update( { \*(Aq$inc\*(Aq => { x => 2 } } );
\&
\&    # Replace entire document (update with whole doc replace)
\&    bulk\->find( { a => 3 } )\->replace_one( { x => 3 } );
\&
\&    # Update one document matching the selector or upsert
\&    bulk\->find( { a => 1 } )\->upsert()\->update_one( { \*(Aq$inc\*(Aq => { x => 1 } } );
\&
\&    # Update all documents matching the selector or upsert
\&    bulk\->find( { a => 2 } )\->upsert()\->update( { \*(Aq$inc\*(Aq => { x => 2 } } );
\&
\&    # Replaces a single document matching the selector or upsert
\&    bulk\->find( { a => 3 } )\->upsert()\->replace_one( { x => 3 } );
\&
\&    # Remove a single document matching the selector
\&    bulk\->find( { a => 4 } )\->remove_one();
\&
\&    # Remove all documents matching the selector
\&    bulk\->find( { a => 5 } )\->remove();
\&
\&    # Remove all documents
\&    bulk\->find( {} )\->remove();
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This class provides means to specify write operations constrained by a query
document.
.PP
To instantiate a \f(CW\*(C`MongoDB::BulkWriteView\*(C'\fR, use the find
method from MongoDB::BulkWrite or the \*(L"upsert\*(R" method described below.
.PP
Except for \*(L"upsert\*(R", all methods have an empty return on success; an
exception will be thrown on error.
.SH "METHODS"
.IX Header "METHODS"
.SS "remove"
.IX Subsection "remove"
.Vb 1
\&    $bulk\->remove;
.Ve
.PP
Removes all documents matching the query document.
.SS "remove_one"
.IX Subsection "remove_one"
.Vb 1
\&    $bulk\->remove_one;
.Ve
.PP
Removes a single document matching the query document.
.SS "replace_one"
.IX Subsection "replace_one"
.Vb 1
\&    $bulk\->replace_one( $doc );
.Ve
.PP
Replaces the document matching the query document.  The document
to replace must not have any keys that begin with a dollar sign, \f(CW\*(C`$\*(C'\fR.
.SS "update"
.IX Subsection "update"
.Vb 1
\&    $bulk\->update( $modification );
.Ve
.PP
Updates all documents  matching the query document.  The modification
document must have all its keys begin with a dollar sign, \f(CW\*(C`$\*(C'\fR.
.SS "update_one"
.IX Subsection "update_one"
.Vb 1
\&    $bulk\->update_one( $modification );
.Ve
.PP
Updates a single document matching the query document.  The modification
document must have all its keys begin with a dollar sign, \f(CW\*(C`$\*(C'\fR.
.SS "upsert"
.IX Subsection "upsert"
.Vb 1
\&    $bulk\->upsert\->replace_one( $doc );
.Ve
.PP
Returns a new \f(CW\*(C`MongoDB::BulkWriteView\*(C'\fR object that will treat every
update, update_one or replace_one operation as an upsert operation.
.SH "AUTHORS"
.IX Header "AUTHORS"
.IP "\(bu" 4
David Golden <david.golden@mongodb.org>
.IP "\(bu" 4
Mike Friedman <friedo@mongodb.com>
.IP "\(bu" 4
Kristina Chodorow <kristina@mongodb.org>
.IP "\(bu" 4
Florian Ragwitz <rafl@debian.org>
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
This software is Copyright (c) 2014 by MongoDB, Inc..
.PP
This is free software, licensed under:
.PP
.Vb 1
\&  The Apache License, Version 2.0, January 2004
.Ve