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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 lib 'buildlib';
package NonMergingIndexManager;
use base qw( Lucy::Index::IndexManager );
sub recycle {
return Lucy::Object::VArray->new( capacity => 0 );
}
package SortSchema;
use base qw( Lucy::Plan::Schema );
sub new {
my $self = shift->SUPER::new(@_);
my $fulltext_type = Lucy::Plan::FullTextType->new(
analyzer => Lucy::Analysis::RegexTokenizer->new,
sortable => 1,
);
my $string_type = Lucy::Plan::StringType->new( sortable => 1 );
my $unsortable = Lucy::Plan::StringType->new;
$self->spec_field( name => 'name', type => $fulltext_type );
$self->spec_field( name => 'speed', type => $string_type );
$self->spec_field( name => 'weight', type => $string_type );
$self->spec_field( name => 'home', type => $string_type );
$self->spec_field( name => 'cat', type => $string_type );
$self->spec_field( name => 'wheels', type => $string_type );
$self->spec_field( name => 'unused', type => $string_type );
$self->spec_field( name => 'nope', type => $unsortable );
return $self;
}
package main;
use Lucy::Test;
use Test::More tests => 57;
# Force frequent flushes.
Lucy::Index::SortWriter::set_default_mem_thresh(100);
my $airplane = {
name => 'airplane',
speed => '0200',
weight => '8000',
home => 'air',
cat => 'vehicle',
wheels => 3,
nope => 'nyet',
};
my $bike = {
name => 'bike',
speed => '0015',
weight => '0025',
home => 'land',
cat => 'vehicle',
wheels => 2,
};
my $car = {
name => 'car',
speed => '0070',
weight => '3000',
home => 'land',
cat => 'vehicle',
wheels => 4,
};
my $dirigible = {
name => 'dirigible',
speed => '0040',
weight => '0000',
home => 'air',
cat => 'vehicle',
# no "wheels" field -- test NULL/undef
};
my $elephant = {
name => 'elephant',
speed => '0020',
weight => '6000',
home => 'land',
cat => 'vehicle',
# no "wheels" field -- test NULL/undef
};
my $folder = Lucy::Store::RAMFolder->new;
my $schema = SortSchema->new;
my $indexer = Lucy::Index::Indexer->new(
index => $folder,
schema => $schema,
);
# Add vehicles.
$indexer->add_doc($_) for ( $airplane, $bike, $car );
$indexer->commit;
my $polyreader = Lucy::Index::IndexReader->open( index => $folder );
my $seg_reader = $polyreader->get_seg_readers->[0];
my $sort_reader = $seg_reader->obtain("Lucy::Index::SortReader");
my $doc_reader = $seg_reader->obtain("Lucy::Index::DocReader");
my $segment = $seg_reader->get_segment;
for my $field (qw( name speed weight home cat wheels )) {
my $field_num = $segment->field_num($field);
ok( $folder->exists("seg_1/sort-$field_num.ord"),
"sort files written for $field" );
my $sort_cache = $sort_reader->fetch_sort_cache($field);
for ( 1 .. $seg_reader->doc_max ) {
is( $sort_cache->value( ord => $sort_cache->ordinal($_) ),
$doc_reader->fetch_doc($_)->{$field},
"correct cached value doc $_ "
);
}
}
for my $field (qw( unused nope )) {
my $field_num = $segment->field_num($field);
ok( !$folder->exists("seg_1/sort-$field_num.ord"),
"no sort files written for $field" );
}
# Add a second segment.
$indexer = Lucy::Index::Indexer->new(
index => $folder,
schema => $schema,
manager => NonMergingIndexManager->new,
);
$indexer->add_doc($dirigible);
$indexer->commit;
# Consolidate everything, to test merging.
$indexer = Lucy::Index::Indexer->new(
index => $folder,
schema => $schema,
);
$indexer->delete_by_term( field => 'name', term => 'bike' );
$indexer->add_doc($elephant);
$indexer->optimize;
$indexer->commit;
my $num_old_seg_files = scalar grep {m/seg_[12]/} @{ $folder->list_r };
is( $num_old_seg_files, 0, "all files from earlier segments zapped" );
$polyreader = Lucy::Index::IndexReader->open( index => $folder );
$seg_reader = $polyreader->get_seg_readers->[0];
$sort_reader = $seg_reader->obtain("Lucy::Index::SortReader");
$doc_reader = $seg_reader->obtain("Lucy::Index::DocReader");
$segment = $seg_reader->get_segment;
for my $field (qw( name speed weight home cat wheels )) {
my $field_num = $segment->field_num($field);
ok( $folder->exists("seg_3/sort-$field_num.ord"),
"sort files written for $field" );
my $sort_cache = $sort_reader->fetch_sort_cache($field);
for ( 1 .. $seg_reader->doc_max ) {
is( $sort_cache->value( ord => $sort_cache->ordinal($_) ),
$doc_reader->fetch_doc($_)->{$field},
"correct cached value field $field doc $_ "
);
}
}
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