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# Copyright 2014 - present 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::_Update;
# Encapsulate an update operation; returns a MongoDB::UpdateResult
use version;
our $VERSION = 'v2.0.2';
use Moo;
use MongoDB::UpdateResult;
use MongoDB::_Protocol;
use MongoDB::_Types qw(
Boolish
Document
);
use Types::Standard qw(
Maybe
ArrayRef
);
use Tie::IxHash;
use boolean;
use namespace::clean;
has filter => (
is => 'ro',
required => 1,
isa => Document,
);
has update => (
is => 'ro',
required => 1,
);
has is_replace => (
is => 'ro',
required => 1,
isa => Boolish,
);
has multi => (
is => 'ro',
required => 1,
isa => Boolish,
);
has upsert => (
is => 'ro',
);
has collation => (
is => 'ro',
isa => Maybe( [Document] ),
);
has arrayFilters => (
is => 'ro',
isa => Maybe( [ArrayRef[Document]] ),
);
with $_ for qw(
MongoDB::Role::_PrivateConstructor
MongoDB::Role::_CollectionOp
MongoDB::Role::_SingleBatchDocWrite
MongoDB::Role::_UpdatePreEncoder
MongoDB::Role::_BypassValidation
);
# cached
my ($true, $false) = (true, false);
sub execute {
my ( $self, $link ) = @_;
if ( defined $self->collation ) {
MongoDB::UsageError->throw(
"MongoDB host '" . $link->address . "' doesn't support collation" )
if !$link->supports_collation;
MongoDB::UsageError->throw(
"Unacknowledged updates that specify a collation are not allowed")
if !$self->write_concern->is_acknowledged;
}
if ( defined $self->arrayFilters ) {
MongoDB::UsageError->throw(
"MongoDB host '" . $link->address . "' doesn't support arrayFilters" )
if !$link->supports_arrayFilters;
MongoDB::UsageError->throw(
"Unacknowledged updates that specify arrayFilters are not allowed")
if !$self->write_concern->is_acknowledged;
}
my $orig_op = {
q => (
ref( $self->filter ) eq 'ARRAY'
? { @{ $self->filter } }
: $self->filter
),
u => $self->_pre_encode_update( $link->max_bson_object_size,
$self->update, $self->is_replace ),
multi => $self->multi ? $true : $false,
upsert => $self->upsert ? $true : $false,
( defined $self->collation ? ( collation => $self->collation ) : () ),
( defined $self->arrayFilters ? ( arrayFilters => $self->arrayFilters ) : () ),
};
return $self->_send_legacy_op_noreply(
$link,
MongoDB::_Protocol::write_update(
$self->full_name,
$self->bson_codec->encode_one( $orig_op->{q}, { invalid_chars => '' } ),
$self->_pre_encode_update( $link->max_bson_object_size,
$orig_op->{u}, $self->is_replace )->{bson},
{
upsert => $orig_op->{upsert},
multi => $orig_op->{multi},
},
),
$orig_op,
"MongoDB::UpdateResult",
"update",
) if !$self->write_concern->is_acknowledged;
return $self->_send_write_command(
$link,
$self->_maybe_bypass(
$link->supports_document_validation,
[
update => $self->coll_name,
updates => [
{
%$orig_op,
u => $self->_pre_encode_update(
$link->max_bson_object_size,
$orig_op->{u}, $self->is_replace
),
}
],
@{ $self->write_concern->as_args },
],
),
$orig_op,
"MongoDB::UpdateResult"
)->assert
if $link->supports_write_commands;
return $self->_send_legacy_op_with_gle(
$link,
MongoDB::_Protocol::write_update(
$self->full_name,
$self->bson_codec->encode_one( $orig_op->{q}, { invalid_chars => '' } ),
$self->_pre_encode_update( $link->max_bson_object_size,
$orig_op->{u}, $self->is_replace )->{bson},
{
upsert => $orig_op->{upsert},
multi => $orig_op->{multi},
},
),
$orig_op,
"MongoDB::UpdateResult",
"update",
)->assert;
}
sub _parse_cmd {
my ( $self, $res ) = @_;
return (
matched_count => ($res->{n} || 0) - @{ $res->{upserted} || [] },
modified_count => $res->{nModified},
upserted_id => $res->{upserted} ? $res->{upserted}[0]{_id} : undef,
);
}
sub _parse_gle {
my ( $self, $res, $orig_doc ) = @_;
# For 2.4 and earlier, 'upserted' has _id only if the _id is an OID.
# Otherwise, we have to pick it out of the update document or query
# document when we see updateExisting is false but the number of docs
# affected is 1
my $upserted = $res->{upserted};
if (! defined( $upserted )
&& exists( $res->{updatedExisting} )
&& !$res->{updatedExisting}
&& $res->{n} == 1 )
{
$upserted = $self->_find_id( $orig_doc->{u} );
$upserted = $self->_find_id( $orig_doc->{q} ) unless defined $upserted;
}
return (
matched_count => ($upserted ? 0 : $res->{n} || 0),
modified_count => undef,
upserted_id => $upserted,
);
}
sub _find_id {
my ($self, $doc) = @_;
if (ref($doc) eq "BSON::Raw") {
$doc = $self->bson_codec->decode_one($doc);
}
my $type = ref($doc);
return (
$type eq 'HASH' ? $doc->{_id}
: $type eq 'ARRAY' ? do {
my $i;
for ( $i = 0; $i < @$doc; $i++ ) { last if $doc->[$i] eq '_id' }
$i < $#$doc ? $doc->[ $i + 1 ] : undef;
}
: $type eq 'Tie::IxHash' ? $doc->FETCH('_id')
: $doc->{_id} # hashlike?
);
}
1;
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