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--
-- $Id$
--
-- Convert from row wise to column-wise rdf
--
-- This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
-- project.
--
-- Copyright (C) 1998-2018 OpenLink Software
--
-- This project is free software; you can redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the
-- Free Software Foundation; only version 2 of the License, dated June 1991.
--
-- This program is distributed in the hope that it will be useful, but
-- WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-- General Public License for more details.
--
-- You should have received a copy of the GNU General Public License along
-- with this program; if not, write to the Free Software Foundation, Inc.,
-- 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
--
--
drop index rdf_quad_pogs;
drop index rdf_quad_sp;
drop index rdf_quad_op;
drop index rdf_quad_gs;
alter table rdf_quad rename rq_rows;
create table RDF_QUAD (
G IRI_ID_8,
S IRI_ID_8,
P IRI_ID_8,
O any,
primary key (P, S, O, G) column
)
alter index RDF_QUAD on RDF_QUAD partition (S int (0hexffff00))
create column index RDF_QUAD_POGS on RDF_QUAD (P, O, S, G) partition (O varchar (-1, 0hexffff))
;
create distinct no primary key ref column index RDF_QUAD_SP on RDF_QUAD (S, P) partition (S int (0hexffff00))
create distinct no primary key ref column index RDF_QUAD_GS on RDF_QUAD (G, S) partition (S int (0hexffff00))
create distinct no primary key ref column index RDF_QUAD_OP on RDF_QUAD (O, P) partition (O varchar (-1, 0hexffff))
;
-- disable transaction log and use autocommit
-- as result of query might be too large to fit into transaction
log_enable(2, 1);
insert into rdf_quad (g,s,p,o) select g,s,p,o from rq_rows;
checkpoint;
-- reenable transaction log
log_enable(1, 1);
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