/usr/lib/x86_64-linux-gnu/perl5/5.26/MongoDB/Op/_FindAndUpdate.pm is in libmongodb-perl 1.8.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2014 MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
use strict;
use warnings;
package MongoDB::Op::_FindAndUpdate;
# Encapsulate find_and_update operation; atomically update and return doc
use version;
our $VERSION = 'v1.8.1';
use Moo;
use MongoDB::Error;
use MongoDB::Op::_Command;
use Types::Standard qw(
HashRef
);
use Try::Tiny;
use namespace::clean;
has filter => (
is => 'ro',
required => 1,
isa => HashRef,
);
has modifier => (
is => 'ro',
required => 1,
isa => HashRef,
);
has options => (
is => 'ro',
required => 1,
isa => HashRef,
);
with $_ for qw(
MongoDB::Role::_PrivateConstructor
MongoDB::Role::_CollectionOp
MongoDB::Role::_WriteOp
MongoDB::Role::_BypassValidation
);
sub execute {
my ( $self, $link, $topology ) = @_;
if ( defined $self->options->{collation} and !$link->supports_collation ) {
MongoDB::UsageError->throw(
"MongoDB host '" . $link->address . "' doesn't support collation" );
}
my ( undef, $command ) = $self->_maybe_bypass(
$link,
[
findAndModify => $self->coll_name,
query => $self->filter,
update => $self->modifier,
(
$link->accepts_wire_version(4)
? ( @{ $self->write_concern->as_args } )
: ()
),
%{ $self->options },
]
);
my $op = MongoDB::Op::_Command->_new(
db_name => $self->db_name,
query => $command,
query_flags => {},
bson_codec => $self->bson_codec,
);
my $result;
try {
$result = $op->execute( $link, $topology );
$result = $result->{output};
}
catch {
die $_ unless $_ eq 'No matching object found';
};
# findAndModify returns ok:1 even for write concern errors, so
# we must check and throw explicitly
if ( $result->{writeConcernError} ) {
MongoDB::WriteConcernError->throw(
message => $result->{writeConcernError}{errmsg},
result => $result,
code => WRITE_CONCERN_ERROR,
);
}
return $result->{value} if $result;
return;
}
1;
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