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Contents
# Redmine - project management software
# Copyright (C) 2006-2015 Jean-Philippe Lang
#
# 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.
module Redmine
# Helper module to get information about the Redmine database
module Database
class << self
# Returns true if the database is PostgreSQL
def postgresql?
(ActiveRecord::Base.connection.adapter_name =~ /postgresql/i).present?
end
# Returns the PostgreSQL version or nil if another DBMS is used
def postgresql_version
postgresql? ? ActiveRecord::Base.connection.send(:postgresql_version) : nil
end
# Returns true if the database is a PostgreSQL >=9.0 database with the unaccent extension installed
def postgresql_unaccent?
if postgresql?
return @postgresql_unaccent unless @postgresql_unaccent.nil?
begin
sql = "SELECT name FROM pg_available_extensions WHERE installed_version IS NOT NULL and name = 'unaccent'"
@postgresql_unaccent = postgresql_version >= 90000 && ActiveRecord::Base.connection.select_value(sql).present?
rescue
false
end
else
false
end
end
# Resets database information
def reset
@postgresql_unaccent = nil
end
end
end
end
Version data entries
34 entries across 34 versions & 1 rubygems