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#!/usr/bin/perl -w |
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|
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use strict; |
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use DBI; |
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use CouchDB::Client; |
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use Data::Dump qw/dump/; |
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|
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$|++; |
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|
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my $database = 'reblog'; |
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|
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my $dbi = "DBI:mysql:database=$database"; |
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$dbi .= ";host=127.0.0.1;port=13306"; # XXX over ssh |
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|
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my $sql = qq{ |
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select |
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items.id as _id, |
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items.*, |
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feeds.url as feed_url, |
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feeds.title as feed_title, |
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feeds.link as feed_link, |
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feeds.description as feed_description |
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from items |
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join items_userdata on items.id = item_id |
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join feeds on items.feed_id = feeds.id |
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where items.id > ? |
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order by items.id asc |
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limit 5000 |
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}; |
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|
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|
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my $c = CouchDB::Client->new(uri => 'http://localhost:5984/'); |
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|
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$c->testConnection or die "The server cannot be reached"; |
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print "CouchDB version " . $c->serverInfo->{version} . "\n"; |
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my $db = $c->newDB( $database ); |
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$db->create unless $c->dbExists( $database ); |
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|
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my $status = $db->newDoc( '_sync' ); |
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eval { $status->retrieve }; |
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$status->create if $@; |
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|
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print "status ",dump( $status->{data} ), "\n"; |
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|
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my $last_row = $status->{data}->{last_row_id} || 0; |
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|
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sub commit_last_row { |
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warn "commit_last_row $last_row\n"; |
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$status->{data}->{last_row_id} = $last_row; |
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$status->update; |
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} |
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|
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my $dbh = DBI->connect($dbi,"","") || die $DBI::errstr; |
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|
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print "Fetching items from $dbi id > $last_row\n"; |
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|
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my $sth = $dbh->prepare($sql) || die $dbh->errstr(); |
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$sth->execute( $last_row ) || die $sth->errstr(); |
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|
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warn dump( $sth->{NAME} ); |
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|
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print "found ",$sth->rows," items to process..."; |
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|
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my $pk = 'id'; |
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|
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my $count = 0; |
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|
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while (my $row = $sth->fetchrow_hashref() ) { |
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my $_id = $row->{_id} || die "row needs _id"; |
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my $doc = $db->newDoc( $_id ); |
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|
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sub row2doc { |
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my ( $row, $doc ) = @_; |
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my $a = delete( $row->{xml} ); |
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$doc->addAttachment( 'item.xml', 'application/xhtml+xml', $a ) if $a; |
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my $a = delete( $row->{content} ); |
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$doc->addAttachment( 'content.html', 'text/html', $a ) if $a; |
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$doc->{data} = $row; |
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return $doc; |
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} |
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|
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row2doc( $row, $doc ); |
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|
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eval { $doc->create }; |
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if ( $@ ) { |
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$doc->retrieve; |
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row2doc( $row, $doc )->update; |
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# eval { $doc->update }; |
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warn $@ ? "ERROR $_id $@\n" : "updated $_id\n"; |
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} else { |
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warn "created $_id\n"; |
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} |
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|
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$last_row = $row->{id}; |
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$count++; |
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|
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commit_last_row if $count % 100 == 0 # checkpoint every 100 records |
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} |
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|
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commit_last_row; |
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|
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__END__ |
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|
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$sql = qq{ |
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update items_userdata |
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set value_numeric = 1 |
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where label = 'read' and item_id in ($ids) |
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}; |
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|
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$dbh->do( $sql ); |
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