OO-4262: precise the pattern operator in the index for not C collation

src/main/java/org/olat/upgrade/_spring/databaseUpgradeContext.xml

@@ -200,6 +200,10 @@
 					<constructor-arg index="0" value="OLAT_14.1.2" />
 					<property name="alterDbStatements" value="alter_14_1_x_to_14_1_2.sql" />
 				</bean>
+				<bean id="database_upgrade_14_1_3" class="org.olat.upgrade.DatabaseUpgrade">
+					<constructor-arg index="0" value="OLAT_14.1.3" />
+					<property name="alterDbStatements" value="alter_14_1_x_to_14_1_3.sql" />
+				</bean>
 			</list>
 		</property>
 	</bean>

src/main/resources/database/postgresql/alter_14_1_x_to_14_1_3.sql

+drop index f_m_rel_path_idx;
+create index f_m_rel_path_idx on o_vfs_metadata (f_relative_path varchar_pattern_ops);
\ No newline at end of file

src/main/resources/database/postgresql/setupDatabase.sql

@@ -3754,7 +3754,7 @@ alter table o_vfs_metadata add constraint fmeta_to_lic_type_idx foreign key (fk_
 create index idx_fmeta_to_lic_type_idx on o_vfs_metadata (fk_license_type);
 alter table o_vfs_metadata add constraint fmeta_to_parent_idx foreign key (fk_parent) references o_vfs_metadata (id);
 create index idx_fmeta_to_parent_idx on o_vfs_metadata (fk_parent);
-create index f_m_rel_path_idx on o_vfs_metadata (f_relative_path);
+create index f_m_rel_path_idx on o_vfs_metadata (f_relative_path varchar_pattern_ops);
 create index f_m_file_idx on o_vfs_metadata (f_relative_path,f_filename);
 create index f_m_uuid_idx on o_vfs_metadata (f_uuid);