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Support for accent insensitive search with PostgreSQL (#18801)....
Jean-Philippe Lang -
r13607:af5872b7d432
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1 # Redmine - project management software
2 # Copyright (C) 2006-2015 Jean-Philippe Lang
3 #
4 # This program is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU General Public License
6 # as published by the Free Software Foundation; either version 2
7 # of the License, or (at your option) any later version.
8 #
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
13 #
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17
18 module Redmine
19 # Helper module to get information about the Redmine database
20 module Database
21 class << self
22 # Returns true if the database is PostgreSQL
23 def postgresql?
24 (ActiveRecord::Base.connection.adapter_name =~ /postgresql/i).present?
25 end
26
27 # Returns the PostgreSQL version or nil if another DBMS is used
28 def postgresql_version
29 postgresql? ? ActiveRecord::Base.connection.send(:postgresql_version) : nil
30 end
31
32 # Returns true if the database is a PostgreSQL >=9.0 database with the unaccent extension installed
33 def postgresql_unaccent?
34 if postgresql?
35 return @postgresql_unaccent unless @postgresql_unaccent.nil?
36 begin
37 sql = "SELECT name FROM pg_available_extensions WHERE installed_version IS NOT NULL and name = 'unaccent'"
38 @postgresql_unaccent = postgresql_version >= 90000 && ActiveRecord::Base.connection.select_value(sql).present?
39 rescue
40 false
41 end
42 else
43 false
44 end
45 end
46
47 # Resets database information
48 def reset
49 @postgresql_unaccent = nil
50 end
51 end
52 end
53 end
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@@ -159,9 +159,12 module Redmine
159 159 private :search_tokens_condition
160 160
161 161 def search_token_match_statement(column, value='?')
162 case connection.adapter_name
163 when /postgresql/i
162 if Redmine::Database.postgresql?
163 if Redmine::Database.postgresql_unaccent?
164 "unaccent(#{column}) ILIKE unaccent(#{value})"
165 else
164 166 "#{column} ILIKE #{value}"
167 end
165 168 else
166 169 "#{column} LIKE #{value}"
167 170 end
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@@ -169,6 +169,10 class ActiveSupport::TestCase
169 169 ActiveRecord::Base.connection.adapter_name =~ /mysql/i
170 170 end
171 171
172 def postgresql?
173 ActiveRecord::Base.connection.adapter_name =~ /postgresql/i
174 end
175
172 176 def assert_save(object)
173 177 saved = object.save
174 178 message = "#{object.class} could not be saved"
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@@ -171,6 +171,25 class SearchTest < ActiveSupport::TestCase
171 171 end
172 172 end
173 173
174 def test_search_should_be_case_and_accent_insensitive_with_postgresql_and_noaccent_extension
175 if postgresql?
176 skip unless Redmine::Database.postgresql_version >= 90000
177 # Extension will be rollbacked with the test transaction
178 ActiveRecord::Base.connection.execute("CREATE EXTENSION IF NOT EXISTS unaccent")
179 Redmine::Database.reset
180 assert Redmine::Database.postgresql_unaccent?
181
182 issue1 = Issue.generate!(:subject => "OO")
183 issue2 = Issue.generate!(:subject => "oo")
184
185 r = Issue.search_results('ÖÖ')
186 assert_include issue1, r
187 assert_include issue2, r
188 end
189 ensure
190 Redmine::Database.reset
191 end
192
174 193 private
175 194
176 195 def remove_permission(role, permission)
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