NAME
DiaColloDB::Upgrade::v0_10_x2t - DiaColloDB utilities: auto-magic upgrade: v0.10.x: x-tuples (+date) to t-tuples (-date)
SYNOPSIS
##========================================================================
## PRELIMINARIES
use DiaColloDB::Upgrade::v0_10_x2t;
##========================================================================
## API
$version = $CLASS_OR_OBJECT->toversion();
$bool = $up->upgrade();
##========================================================================
## Backup & Revert
$bool = $up->backup();
@files = $up->revert_created();
@files = $up->revert_updated();
DESCRIPTION
DiaColloDB::Upgrade::v0_10_x2t provides a DiaColloDB::Upgrade-compliant package for upgrading a DiaColloDB database directory in-place.
Upgrade actions performed:
converts date-inclusive "x-tuple" enum
xenum
to date-free attributes-only term-tuple ("t-tuple") enumtenum
.maps attribute multimap target IDs from "x-tuples" to "t-tuples".
updates db header pack-template keys ("pack_x*" -> "pack_t*")
updates native relation DBs
xf
,cof
.
API
- toversion
-
$version = $CLASS_OR_OBJECT->toversion();
Returns default target version; here
"0.10.000"
. - upgrade
-
$bool = $up->upgrade();
Performs upgrade in-place on the local DiaColloDB index in
$up->{dbdir}
, returns true on success.
Backups & Rollback
- backup
-
$bool = $up->backup();
Backup any files we expect to change during upgrade() to
$up->backupdir()
. - 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), ...