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Cache stats in the database (and auto-update them from cron)

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This commit is contained in:
Yorhel 2012-07-18 10:21:13 +02:00
parent f6564dfd9c
commit 0738583243
3 changed files with 18 additions and 5 deletions
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2
schema.sql
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@ -56,6 +56,8 @@ CREATE INDEX ON man (name);
CREATE TABLE man_index AS SELECT DISTINCT name, section FROM man;
CREATE INDEX ON man_index USING btree(lower(name) text_pattern_ops);
CREATE TABLE stats_cache AS SELECT count(distinct hash) AS hashes, count(distinct name) AS mans, count(*) AS files, count(distinct package) AS packages FROM man;
INSERT INTO systems (id, name, release, short, relorder) VALUES
(1, 'Arch Linux', NULL, 'arch', 0),

6
util/update_indices.sql
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@ -7,3 +7,9 @@ CREATE INDEX ON man_index_new USING btree(lower(name) text_pattern_ops);
DROP TABLE man_index;
ALTER TABLE man_index_new RENAME TO man_index;
COMMIT;
BEGIN;
CREATE TABLE stats_cache_new AS SELECT count(distinct hash) AS hashes, count(distinct name) AS mans, count(*) AS files, count(distinct package) AS packages FROM man;
DROP TABLE stats_cache;
ALTER TABLE stats_cache_new RENAME TO stats_cache;
COMMIT;

15
www/index.pl
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@ -54,13 +54,13 @@ TUWF::run();
sub home {
my $self = shift;
my $stats = $self->dbStats;
my $fn = sub { local $_=shift; 1 while(s/(\d)(\d{3})($|,)/$1,$2/); $_ };
$self->htmlHeader(title => 'Man Pages Archive');
h1 'Man Pages Archive';
# Relevant query: SELECT count(distinct hash), count(distinct name), count(*), count(distinct package) FROM man;
# It's far too slow to run that on every pageview. :-(
p style => 'float: none'; lit <<' _';
Indexing <b>679,885</b> versions of <b>132,493</b> manual pages found in
<b>2,213,486</b> files of <b>222,543</b> packages.
p style => 'float: none'; lit sprintf <<' _', map $fn->($stats->{$_}), qw|hashes mans files packages|;
Indexing <b>%s</b> versions of <b>%s</b> manual pages found in <b>%s</b>
files of <b>%s</b> packages.
<br /><br />
Manned.org aims to index all manual pages from a variety of systems, both
old and new, and provides a convenient interface for looking up and viewing
@ -684,3 +684,8 @@ sub dbPackageGet {
$sysid, $name)
}
sub dbStats {
return $_[0]->dbRow('SELECT * FROM stats_cache');
}