XWIKI-22605: Solr re-indexes many documents after restarting on PostgreSQL

xwiki-platform-distribution/xwiki-platform-distribution-debian/xwiki-platform-distribution-debian-pgsql-common/src/deb/control/postinst

@@ -11,7 +11,8 @@ set -e
 if [ -f /usr/share/dbconfig-common/dpkg/postinst.pgsql ]; then
   . /usr/share/dbconfig-common/dpkg/postinst.pgsql
 
-  dbc_pgsql_createdb_encoding='UTF8'
+  # Make sure the new database uses the right encoding and collation
+  dbc_pgsql_createdb_encoding="UTF8' lc_collate='C"
 
   dbc_generate_include='template:/etc/xwiki/hibernate.cfg.xml'
   dbc_generate_include_perms='644'