NAME

DiaColloDB::Upgrade::v0_04_dlimits - DiaColloDB utilities: auto-magic upgrade: v0.04: date limits

SYNOPSIS

##========================================================================
## PRELIMINARIES

use DiaColloDB::Upgrade::v0_04_dlimits;

##========================================================================
## API

$version = $up->toversion();
$bool    = $up->needed();
$bool    = $up->upgrade($dbdir, \%info);

DESCRIPTION

DiaColloDB::Upgrade::v0_04_dlimits provides a DiaColloDB::Upgrade-compliant package for upgrading a DiaColloDB database directory in-place.

Upgrade actions performed:

• adds date-limit keys xdmin and xdmax to db header.

API

toversion

$version = $CLASS_OR_OBJECT->toversion();

Returns default target version; here "0.04.000".

needed

$bool = $up->needed();

Returns true iff the upgrade $up needs to be applied to the local DiaColloDB index in $dbdir.

upgrade

$bool = $up->upgrade();

Performs upgrade in-place on the local DiaColloDB index in $up->{dbdir}, returns true on success.

Backups & Rollback

revert_created

@files = $up->revert_created();

Returns list of files created by this upgrade, for use with default DiaColloDB::Upgrade::Base::revert().

revert_updated

@files = $up->revert_updated();

Returns list of files updated by this upgrade, for use with default DiaColloDB::Upgrade::Base::revert().

AUTHOR

Bryan Jurish <moocow@cpan.org>

COPYRIGHT AND LICENSE

Copyright (C) 2016-2020 by Bryan Jurish

This package is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.14.2 or, at your option, any later version of Perl 5 you may have available.

SEE ALSO

dcdb-upgrade.perl(1), DiaColloDB::Upgrade::Base(3pm), DiaColloDB::Upgrade(3pm), DiaColloDB(3pm), perl(1), ...