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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: postgresql module, dbi import frame
* 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_DBI #% database building
require "#{SiSU_lib}/help"
require "#{SiSU_lib}/sysenv"
include SiSU_Env
include SiSU_Screen
require "#{SiSU_lib}/param"
include SiSU_Param
require "#{SiSU_lib}/shared_db"
include SiSU_DB
require "#{SiSU_lib}/shared_html_lite"
include SiSU_Format_Shared
class SiSU_SQL
def initialize(opt)
SiSU_Env::Load.new('dbi',true).prog
@opt=opt
@db=SiSU_Env::Info_db.new
if @opt.cmd =~/d/i or @opt.mod.inspect =~/--pg(?:sql)?|(?:sq)?lite/
@sql_type=if @opt.cmd=~/D/ or @opt.mod.inspect =~/--pg(?:sql)?/; 'pg'
elsif @opt.cmd =~/d/ and @opt.mod.inspect =~/--(?:db[=-])?pg(?:sql)?/; 'pg'
elsif @opt.mod.inspect =~/--(?:sq)?lite/; 'sqlite'
elsif @opt.cmd =~/d/ and @opt.mod.inspect =~/--(?:db[=-])?(?:sq)?lite/; 'sqlite'
#elsif @opt.cmd =~/d/ and @opt.mod.select =~/--my(?:sql)?/; 'mysql'
else 'sqlite'
end
end
end
def read_psql
begin
db,user,dbi=@db.db_psql,@db.user,@db.dbi_psql
@conn=DBI.connect(dbi,user,db)
rescue
if @opt.mod.inspect=~/--(createall|create)/
puts %{manually create the database: "#{db}" if it does not yet exist}
#sudo su -p postgres; createdb #{db}; #[createuser?]
end
SiSU_DB::Case.new(@opt,@conn,@sql_type).cases
@conn=DBI.connect(dbi,user,db)
ensure
end
end
def read_sqlite
begin
sql_type='sqlite'
dbi=@db.dbi_sqlite
@conn=DBI.connect(dbi)
rescue
ensure
end
end
def connect
case @sql_type
when /pg/; read_psql
when /sqlite/; read_sqlite
end
tell=SiSU_Screen::Ansi.new(@opt.cmd,"DBI (#@sql_type) #{@opt.mod}")
tell.dbi_title unless @opt.cmd =~/q/
begin
SiSU_DB::Case.new(@opt,@conn,@sql_type).cases
rescue; SiSU_Errors::Info_error.new($!,$@,@cf,@opt.fns).error
ensure
end
begin
@conn.disconnect if @sql_type =~/sqlite/
rescue
connect
end
end
end
end
__END__
|
