From 88e8d42f27595b8e7db6df434b7086ba5d34a5be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20=C3=89vrard?= <nicoe@b2ck.com>
Date: Sun, 9 Oct 2022 19:58:51 +0200
Subject: [PATCH] Add configuration entries for unaccent and similarity
 functions

issue10851
review370001002
---
 CHANGELOG                              |  1 +
 doc/topics/configuration.rst           | 14 ++++++++++++++
 trytond/backend/postgresql/database.py |  5 +++--
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 9aa2a71af4..e7ce36afda 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+* Add configuration entries for unaccent and similarity functions
 * Add authentication services
 * Schedule actions using server timezone
 * Reset the user sessions less often
diff --git a/doc/topics/configuration.rst b/doc/topics/configuration.rst
index f700992054..c62126d31d 100644
--- a/doc/topics/configuration.rst
+++ b/doc/topics/configuration.rst
@@ -229,6 +229,20 @@ maxconn
 The maximum number of simultaneous connections to the database per process.
 Default: ``64``
 
+unaccent_function
+~~~~~~~~~~~~~~~~~
+
+The name of the unaccent function.
+
+Default: ``unaccent``
+
+similarity_function
+~~~~~~~~~~~~~~~~~~~
+
+The name of the similarity function.
+
+Default: ``similarity``
+
 request
 -------
 
diff --git a/trytond/backend/postgresql/database.py b/trytond/backend/postgresql/database.py
index 884f703dfc..d7b2323229 100644
--- a/trytond/backend/postgresql/database.py
+++ b/trytond/backend/postgresql/database.py
@@ -76,12 +76,13 @@ class ForSkipLocked(For):
 
 class Unaccent(Function):
     __slots__ = ()
-    _function = 'unaccent'
+    _function = config.get('database', 'unaccent_function', default='unaccent')
 
 
 class Similarity(Function):
     __slots__ = ()
-    _function = 'similarity'
+    _function = config.get(
+        'database', 'similarity_function', default='similarity')
 
 
 class Match(BinaryOperator):