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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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;
use Lucy::Test;
package NoMergeSeg1Manager;
use base qw( Lucy::Index::IndexManager );
sub recycle {
my $seg_readers = shift->SUPER::recycle(@_);
@$seg_readers = grep { $_->get_seg_num != 1 } @$seg_readers;
return $seg_readers;
}
package DelSchema;
use base 'Lucy::Plan::Schema';
sub new {
my $self = shift->SUPER::new(@_);
my $type = Lucy::Plan::FullTextType->new(
analyzer => Lucy::Analysis::RegexTokenizer->new, );
$self->spec_field( name => 'foo', type => $type );
$self->spec_field( name => 'bar', type => $type );
return $self;
}
package main;
use Test::More tests => 70;
my $folder = Lucy::Store::RAMFolder->new;
my $schema = DelSchema->new;
my $indexer = Lucy::Index::Indexer->new(
index => $folder,
schema => $schema,
);
$indexer->add_doc( { foo => 'foo', bar => $_ } ) for qw( x y z );
$indexer->commit;
for my $iter ( 1 .. 10 ) {
is( search_doc('foo'), 3, "match all docs prior to deletion $iter" );
is( search_doc('x'), 1, "match doc to be deleted $iter" );
$indexer = Lucy::Index::Indexer->new(
schema => $schema,
index => $folder,
);
$indexer->delete_by_term( field => 'bar', term => 'x' );
$indexer->optimize;
$indexer->commit;
is( search_doc('x'), 0, "deletion successful $iter" );
is( search_doc('foo'), 2, "match all docs after deletion $iter" );
$indexer = Lucy::Index::Indexer->new(
schema => $schema,
index => $folder,
);
$indexer->add_doc( { foo => 'foo', bar => 'x' } );
$indexer->optimize;
$indexer->commit;
}
$folder = Lucy::Store::RAMFolder->new;
$schema = DelSchema->new;
$indexer = Lucy::Index::Indexer->new(
index => $folder,
schema => $schema,
);
my @dox = ( 'a' .. 'z' );
$indexer->add_doc( { foo => 'foo', bar => $_ } ) for @dox;
$indexer->commit;
for ( 1 .. 10 ) {
$indexer = Lucy::Index::Indexer->new(
manager => NoMergeSeg1Manager->new,
schema => $schema,
index => $folder,
);
$indexer->delete_by_term( field => 'bar', term => 'y' );
$indexer->commit;
my @num_seg_1_bv_files = grep {/deletions-seg_1.bv/} @{ $folder->list_r };
is( scalar @num_seg_1_bv_files,
1, "seg_1 deletions file carried forward" );
$indexer = Lucy::Index::Indexer->new(
manager => NoMergeSeg1Manager->new,
schema => $schema,
index => $folder,
);
$indexer->delete_by_term( field => 'bar', term => 'new' );
$indexer->add_doc( { foo => 'foo', bar => 'new' } );
$indexer->commit;
@num_seg_1_bv_files = grep {/deletions-seg_1.bv/} @{ $folder->list_r };
is( scalar @num_seg_1_bv_files,
1, "seg_1 deletions file carried forward" );
is( search_doc('foo'), scalar @dox, "deletions applied correctly" );
}
sub search_doc {
my $query_string = shift;
my $searcher = Lucy::Search::IndexSearcher->new( index => $folder );
my $hits = $searcher->hits( query => $query_string );
return $hits->total_hits;
}
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