diff options
author | Yorhel <git@yorhel.nl> | 2019-07-22 09:09:05 +0200 |
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committer | Yorhel <git@yorhel.nl> | 2019-07-22 09:09:07 +0200 |
commit | a9d06ffdab8c8528d8930617462ea931fd4d303b (patch) | |
tree | 78f710884ec20802564be56598ca164642d133ab /lib | |
parent | 8aacb0a6fc3de26d8718759152c80f00f2ef972e (diff) |
Move votes/traits/tags exports to dbdump.pl; Get rid of Multi::APIDump
This provides more control over when the dumps are being made and makes
it easier to generate quick dumps for debugging.
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Multi/APIDump.pm | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/lib/Multi/APIDump.pm b/lib/Multi/APIDump.pm deleted file mode 100644 index 79458f8d..00000000 --- a/lib/Multi/APIDump.pm +++ /dev/null @@ -1,128 +0,0 @@ - -# -# Multi::APIDump - Regular dumps of the database for public API stuff -# - -package Multi::APIDump; - -use strict; -use warnings; -use Multi::Core; -use JSON::XS; -use PerlIO::gzip; - - -sub run { - push_watcher schedule 0, 24*3600, \&generate; -} - - -sub tags_gen { - # The subqueries are kinda ugly, but it's convenient to have everything in a single query. - pg_cmd q| - SELECT id, name, description, searchable, applicable, c_items AS vns, cat, - (SELECT string_agg(alias,'$$$-$$$') FROM tags_aliases where tag = id) AS aliases, - (SELECT string_agg(parent::text, ',') FROM tags_parents WHERE tag = id) AS parents - FROM tags WHERE state = 2 - |, undef, sub { - my($res, $time) = @_; - return if pg_expect $res, 1; - my $ws = AE::time; - my @res = $res->rowsAsHashes; - for(@res) { - $_->{id} *= 1; - $_->{meta} = $_->{searchable} ne 't' ? JSON::XS::true : JSON::XS::false; # For backwards compat - $_->{searchable} = $_->{searchable} eq 't' ? JSON::XS::true : JSON::XS::false; - $_->{applicable} = $_->{applicable} eq 't' ? JSON::XS::true : JSON::XS::false; - $_->{vns} *= 1; - $_->{aliases} = [ split /\$\$\$-\$\$\$/, ($_->{aliases}||'') ]; - $_->{parents} = [ map $_*1, split /,/, ($_->{parents}||'') ]; - } - writejson(\@res, "$VNDB::ROOT/www/api/tags.json.gz", $time, $ws); - }; -} - - -sub traits_gen { - pg_cmd q| - SELECT id, name, alias AS aliases, description, searchable, applicable, c_items AS chars, - (SELECT string_agg(parent::text, ',') FROM traits_parents WHERE trait = id) AS parents - FROM traits WHERE state = 2 - |, undef, sub { - my($res, $time) = @_; - return if pg_expect $res, 1; - my $ws = AE::time; - my @res = $res->rowsAsHashes; - for(@res) { - $_->{id} *= 1; - $_->{meta} = $_->{searchable} ne 't' ? JSON::XS::true : JSON::XS::false; # For backwards compat - $_->{searchable} = $_->{searchable} eq 't' ? JSON::XS::true : JSON::XS::false; - $_->{applicable} = $_->{applicable} eq 't' ? JSON::XS::true : JSON::XS::false; - $_->{chars} *= 1; - $_->{aliases} = [ split /\r?\n/, ($_->{aliases}||'') ]; - $_->{parents} = [ map $_*1, split /,/, ($_->{parents}||'') ]; - } - writejson(\@res, "$VNDB::ROOT/www/api/traits.json.gz", $time, $ws); - }; -} - - -sub writejson { - my($data, $file, $sqltime, $procstart) = @_; - - open my $f, '>:gzip:utf8', "$file~" or die "Writing $file: $!"; - print $f JSON::XS->new->encode($data); - close $f; - rename "$file~", $file or die "Renaming $file: $!"; - - my $wt = AE::time-$procstart; - AE::log info => sprintf 'Wrote %s in %.2fs query + %.2fs write, size: %.1fkB, items: %d.', - $file, $sqltime, $wt, (-s $file)/1024, scalar @$data; -} - - -sub votes_gen { - pg_cmd q{ - SELECT vv.vid||' '||vv.uid||' '||vv.vote as l, to_char(vv.date, 'YYYY-MM-DD') as d - FROM votes vv - JOIN users u ON u.id = vv.uid - JOIN vn v ON v.id = vv.vid - WHERE NOT v.hidden - AND NOT u.ign_votes - AND NOT EXISTS(SELECT 1 FROM users_prefs up WHERE up.uid = u.id AND key = 'hide_list') - }, undef, sub { - my($res, $time) = @_; - return if pg_expect $res, 1; - my $ws = AE::time; - - # legacy votes v1 file, without date - my $file = "$VNDB::ROOT/www/api/votes.gz"; - open my $f, '>:gzip:utf8', "$file~" or die "Writing $file: $!"; - printf $f "%s\n", $res->value($_,0) for (0 .. $res->rows-1); - close $f; - rename "$file~", $file or die "Renaming $file: $!"; - - # v2 file with date - $file = "$VNDB::ROOT/www/api/votes2.gz"; - open $f, '>:gzip:utf8', "$file~" or die "Writing $file: $!"; - printf $f "%s %s\n", $res->value($_,0), $res->value($_,1) for (0 .. $res->rows-1); - close $f; - rename "$file~", $file or die "Renaming $file: $!"; - - my $wt = AE::time-$ws; - AE::log info => sprintf 'Wrote %s in %.2fs query + %.2fs write, size: %.1fkB, items: %d.', - $file, $time, $wt, (-s $file)/1024, scalar $res->rows; - }; -} - - -sub generate { - # TODO: Running these functions in the main process adds ~11MB of RAM because - # the full query results are kept in memory. It might be worthwile to - # generate the dumps in a forked process. - tags_gen; - my $a; $a = AE::timer 5, 0, sub { traits_gen; undef $a; }; - my $b; $b = AE::timer 10, 0, sub { votes_gen; undef $b; }; -} - -1; |