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$DBversion = 'XXX'; # will be replaced by the RM |
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if( CheckVersion( $DBversion ) ) { |
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$dbh->do( "ALTER TABLE biblio ADD COLUMN deleted_at datetime DEFAULT NULL" ) or warn $DBI::errstr; |
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$dbh->do( "ALTER TABLE biblioitems ADD COLUMN deleted_at datetime DEFAULT NULL" ) or warn $DBI::errstr; |
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$dbh->do( "ALTER TABLE biblio_metadata ADD COLUMN deleted_at datetime DEFAULT NULL" ) or warn $DBI::errstr; |
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$dbh->do( "ALTER TABLE items ADD COLUMN deleted_at datetime DEFAULT NULL" ) or warn $DBI::errstr; |
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# Need to drop foreign keys to avoid cascading deletes |
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$dbh->do( "ALTER TABLE deletedbiblio_metadata DROP FOREIGN KEY deletedbiblio_metadata_fk_1" ) or warn $DBI::errstr; |
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$dbh->do( "ALTER TABLE deletedbiblio_metadata DROP FOREIGN KEY deletedrecord_metadata_fk_1" ) or warn $DBI::errstr; |
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$dbh->do( "INSERT IGNORE INTO biblio SELECT *, timestamp AS deleted_at FROM deletedbiblio" ) or warn $DBI::errstr; |
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$dbh->do( "INSERT IGNORE INTO biblioitems SELECT *, timestamp AS deleted_at FROM deletedbiblioitems" ) or warn $DBI::errstr; |
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$dbh->do( "INSERT IGNORE INTO biblio_metadata SELECT *, timestamp AS deleted_at FROM deletedbiblio_metadata" ) or warn $DBI::errstr; |
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$dbh->do( "INSERT IGNORE INTO items SELECT *, timestamp AS deleted_at FROM deleteditems" ) or warn $DBI::errstr; |
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# Check if any rows could not be moved, if so, rename table with underscore for checking, otherwise drop them |
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{ |
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my $sth = $dbh->prepare("DELETE FROM deleteditems WHERE itemnumber IN (SELECT itemnumber FROM items)"); |
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$sth->execute(); |
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$sth = $dbh->prepare("SELECT COUNT(*) AS count FROM deleteditems"); |
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$sth->execute(); |
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my $row = $sth->fetchrow_hashref; |
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if ($row->{count}) { |
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warn "There were $row->{count} deleteditems that could not be moved, please check '_deleteditems'."; |
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$dbh->do("RENAME TABLE deleteditems TO _deleteditems"); |
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} else { |
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$dbh->do("DROP TABLE deleteditems"); |
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} |
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} |
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{ |
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my $sth = $dbh->prepare("DELETE FROM deletedbiblio_metadata WHERE biblionumber IN (SELECT biblionumber FROM biblio_metadata)"); |
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$sth->execute(); |
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$sth = $dbh->prepare("SELECT COUNT(*) AS count FROM deletedbiblio_metadata"); |
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$sth->execute(); |
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my $row = $sth->fetchrow_hashref; |
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if ($row->{count}) { |
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warn "There were $row->{count} deletedbiblio_metadata that could not be moved, please check '_deletedbiblio_metadata'."; |
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$dbh->do("RENAME TABLE deletedbiblio_metadata TO _deletedbiblio_metadata"); |
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} else { |
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$dbh->do("DROP TABLE deletedbiblio_metadata"); |
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} |
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} |
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{ |
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my $sth = $dbh->prepare("DELETE FROM deletedbiblioitems WHERE biblioitemnumber IN (SELECT biblioitemnumber FROM biblioitems)"); |
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$sth->execute(); |
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$sth = $dbh->prepare("SELECT COUNT(*) AS count FROM deletedbiblioitems"); |
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$sth->execute(); |
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my $row = $sth->fetchrow_hashref; |
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if ($row->{count}) { |
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warn "There were $row->{count} deletedbiblioitems that could not be moved, please check '_deletedbiblioitems'."; |
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$dbh->do("RENAME TABLE deletedbiblioitems TO _deletedbiblioitems"); |
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} else { |
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$dbh->do("DROP TABLE deletedbiblioitems"); |
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} |
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} |
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{ |
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my $sth = $dbh->prepare("DELETE FROM deletedbiblio WHERE biblionumber IN (SELECT biblionumber FROM biblio)"); |
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$sth->execute(); |
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$sth = $dbh->prepare("SELECT COUNT(*) AS count FROM deletedbiblio WHERE biblionumber NOT IN (SELECT biblionumber FROM deletedbiblioitems)"); |
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$sth->execute(); |
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my $row = $sth->fetchrow_hashref; |
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if ($row->{count}) { |
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warn "There were $row->{count} deletedbiblio that could not be moved, please check '_deletedbiblio'."; |
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$dbh->do("RENAME TABLE deletedbiblio TO _deletedbiblio"); |
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} else { |
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$dbh->do("DROP TABLE deletedbiblio"); |
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} |
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} |
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SetVersion( $DBversion ); |
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print "Upgrade to $DBversion done (Bug 20271 - Merge deletedbiblio* and deleteitems tables with their alive cousins)\n"; |
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} |