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=begin
* Name: SiSU information Structuring Universe - Structured information, Serialized Units
* Author: Ralph Amissah
* http://www.jus.uio.no/sisu
* http://www.jus.uio.no/sisu/SiSU/download.html
* Description: modules shared by the different db types, dbi, postgresql, sqlite
* Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Ralph Amissah
* License: GPL 2 or later
Summary of GPL 2
This program 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; either version 2 of the License, or (at your option)
any later version.
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 Street, Fifth Floor, Boston, MA 02110-1301, USA
If you have Internet connection, the latest version of the GPL should be
available at these locations:
http://www.fsf.org/licenses/gpl.html
http://www.gnu.org/copyleft/gpl.html
http://www.jus.uio.no/sisu/gpl2.fsf
SiSU was first released to the public on January 4th 2005
SiSU uses:
* Standard SiSU markup syntax,
* Standard SiSU meta-markup syntax, and the
* Standard SiSU object citation numbering and system
© Ralph Amissah 1997, current 2007.
All Rights Reserved.
* Ralph Amissah: ralph@amissah.com
ralph.amissah@gmail.com
=end
module SiSU_DB_drop
class Drop
def initialize(opt,conn='',sql_type='')
@opt,@conn,@sql_type=opt,conn,sql_type
end
def drop_tables #% drop all tables
begin
case @sql_type
when /sqlite/
cascade=''
commit=@conn.commit
else
cascade='CASCADE'
commit=''
end
@conn.do(%{
DROP TABLE metadata #{cascade};
DROP TABLE documents #{cascade};
DROP TABLE endnotes #{cascade};
DROP TABLE endnotes_asterisk #{cascade};
DROP TABLE endnotes_plus #{cascade};
DROP TABLE urls #{cascade};
})
commit
rescue
end
end
def drop_indexes #% drop all indexes
#@conn.do(%{
# DROP INDEX object_nr ON documents(ocn);
# DROP INDEX body ON documents(body);
# DROP INDEX clean ON documents(clean);
# DROP INDEX lev1 ON documents(lev1);
# DROP INDEX lev2 ON documents(lev2);
# DROP INDEX lev3 ON documents(lev3);
# DROP INDEX lev4 ON documents(lev4);
# DROP INDEX lev5 ON documents(lev5);
# DROP INDEX lev6 ON documents(lev6);
# DROP INDEX endnote_nr ON endnotes(nr);
# DROP INDEX endnote ON endnotes(body);
# DROP INDEX title ON metadata(title);
# DROP INDEX filename ON metadata(filename)
# /*
# DROP INDEX object_nr ON documents(ocn) CASCADE;
# DROP INDEX body ON documents(body) CASCADE;
# DROP INDEX clean ON documents(clean) CASCADE;
# DROP INDEX lev1 ON documents(lev1) CASCADE;
# DROP INDEX lev2 ON documents(lev2) CASCADE;
# DROP INDEX lev3 ON documents(lev3) CASCADE;
# DROP INDEX lev4 ON documents(lev4) CASCADE;
# DROP INDEX lev5 ON documents(lev5) CASCADE;
# DROP INDEX lev6 ON documents(lev6) CASCADE;
# DROP INDEX endnote_nr ON endnotes(nr) CASCADE;
# DROP INDEX endnote ON endnotes(body) CASCADE;
# DROP INDEX title ON metadata(title) CASCADE;
# DROP INDEX filename ON metadata(filename) CASCADE
# */
#})
end
def db_help #% help
puts %{
not yet implemented
init createall
createtable
recreate\t(destroy and create)
createlex\t()
createmetadata\t()
import\t(import data)
index\t(create index)
droptables\t(where tables made and content imported)
dropall\t(where tables made, content imported and tables indexed)
}
end
end
end
__END__
|
