diff --git a/Database/init-constraints.sql b/Database/init-constraints.sql
index 6dbded68..4ca081d1 100644
--- a/Database/init-constraints.sql
+++ b/Database/init-constraints.sql
@@ -1,69 +1,69 @@
-CREATE OR REPLACE FUNCTION
-common.check_fk_exists(object_id INT, object_type_id INT)
-RETURNS BOOLEAN AS $$
-BEGIN
-	IF object_type_id = 1 THEN
-	RETURN EXISTS (SELECT 1 FROM users.user WHERE "id" = object_id);
-	ELSIF object_type_id = 2 THEN RETURN EXISTS (SELECT 1 FROM events.event WHERE "id" = object_id);
-	ELSE RETURN FALSE;
-	END IF;
-END;
-$$ LANGUAGE plpgsql STABLE;
-
-ALTER TABLE common.image ADD CONSTRAINT chk_object_fk
-CHECK (common.check_fk_exists(object_id, object_type_id));
-
-ALTER TABLE common.address ADD CONSTRAINT chk_address_street CHECK (street ~ '^[[:alnum:]]+(?:(\s)[[:alpha:]]+)*(\s(?:(\d+|\d+/\d+)))?$');
-
-ALTER TABLE common.address ADD CONSTRAINT chk_address_zip_code CHECK (zip_code ~ '^[[:alnum:]\s-]{3,}$');
-
-ALTER TABLE common.address ADD CONSTRAINT chk_address_city CHECK (city ~ '^[[:upper:]][[:lower:]]+(?:(\s|-)[[:upper:]][[:lower:]]+)*$');
-
-ALTER TABLE common.address ADD CONSTRAINT chk_address_state CHECK (state ~ '^[[:upper:]][[:lower:]]+(?:(\s|-)[[:alpha:]]+)*$');
-
-ALTER TABLE common.address ADD CONSTRAINT chk_address_country CHECK (country ~ '^[[:upper:]][[:lower:]]+(?:\s[[:upper:]][[:lower:]]+){0,1}$');
-
-ALTER TABLE users.user  ADD CONSTRAINT chk_user_email CHECK (email ~ '^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,6}$');
-
-ALTER TABLE users.user ADD CONSTRAINT chk_user_phone CHECK (phone ~ '^\+\d{1,3}\s\d{1,15}$');
-
-ALTER TABLE users.user ADD CONSTRAINT chk_user_name CHECK (name ~ '^[[:upper:]][[:lower:]]+$');
-
-ALTER TABLE users.user ADD CONSTRAINT chk_user_surname CHECK (surname ~ '^[[:alpha:]]+((\s)?('')?(-)?)?[[:alpha:]]+$');
-
-ALTER TABLE users.user ADD CONSTRAINT chk_user_username CHECK (username ~ '^[[:alnum:]]+$');
-
-ALTER TABLE users.interest ADD CONSTRAINT chk_interest_name CHECK (name ~ '^[[:upper:]][[:lower:]]+(?:\s[[:alpha:]]+)*$');
-
-ALTER TABLE events.event ADD CONSTRAINT chk_event_slug CHECK (slug ~ '^[[:alnum:]]+(?:-[[:alnum:]]+)*$');
-
-ALTER TABLE events.event ADD CONSTRAINT check_start_end_time CHECK (start_at < end_at);
-
-ALTER TABLE events.tag ADD CONSTRAINT chk_tag_name CHECK (name ~ '^[[:alpha:]]+(?:\s[[:alpha:]]+)*$');
-
-ALTER TABLE events.parameter ADD CONSTRAINT chk_parameter_value CHECK (value ~ '^[[:alnum:]]+(?:\s[[:alnum:]]+)*$');
-
-ALTER TABLE events.parameter ADD CONSTRAINT chk_parameter_key CHECK (key ~ '^[[:alpha:]]+(?:\s[[:alpha:]]+)*$');
-
-ALTER TABLE users.role ADD CONSTRAINT chk_three_roles CHECK (id <= 3);
-
-ALTER TABLE users.role ADD CONSTRAINT chk_role_name CHECK (name ~ '^(Organizer|Admin|User)$');
-
-ALTER TABLE common.status ADD CONSTRAINT chk_five_statuses CHECK (id <= 5);
-
-ALTER TABLE common.status ADD CONSTRAINT chk_status_name  CHECK (name ~ '^(Interested|Participating|Completed|In progress|Waiting for approval)$');
-
-ALTER TABLE common.object_type ADD CONSTRAINT chk_two_object_types CHECK (id <= 2);
-
-ALTER TABLE common.object_type ADD CONSTRAINT chk_object_type_name CHECK (name ~ '^(Event|User)$');
-
-ALTER TABLE common.status
-ADD CONSTRAINT chk_object_type_for_status
-CHECK (
-    (name IN ('Interested', 'Participating') AND object_type_id = 2) OR
-    (name IN ('Completed', 'In progress', 'Waiting for approval') AND object_type_id = 1)
-);
-
-CREATE UNIQUE INDEX unique_image_for_user
-ON common.image ("object_type_id", "object_id")
+CREATE OR REPLACE FUNCTION
+common.check_fk_exists(object_id INT, object_type_id INT)
+RETURNS BOOLEAN AS $$
+BEGIN
+	IF object_type_id = 1 THEN
+	RETURN EXISTS (SELECT 1 FROM users.user WHERE "id" = object_id);
+	ELSIF object_type_id = 2 THEN RETURN EXISTS (SELECT 1 FROM events.event WHERE "id" = object_id);
+	ELSE RETURN FALSE;
+	END IF;
+END;
+$$ LANGUAGE plpgsql STABLE;
+
+ALTER TABLE common.image ADD CONSTRAINT chk_object_fk
+CHECK (common.check_fk_exists(object_id, object_type_id));
+
+ALTER TABLE common.address ADD CONSTRAINT chk_address_street CHECK (street ~ '^[[:alnum:]]+(?:(\s)[[:alpha:]]+)*(\s(?:(\d+|\d+/\d+)))?$');
+
+ALTER TABLE common.address ADD CONSTRAINT chk_address_zip_code CHECK (zip_code ~ '^[[:alnum:]\s-]{3,}$');
+
+ALTER TABLE common.address ADD CONSTRAINT chk_address_city CHECK (city ~ '^[[:upper:]][[:lower:]]+(?:(\s|-)[[:upper:]][[:lower:]]+)*$');
+
+ALTER TABLE common.address ADD CONSTRAINT chk_address_state CHECK (state ~ '^[[:upper:]][[:lower:]]+(?:(\s|-)[[:alpha:]]+)*$');
+
+ALTER TABLE common.address ADD CONSTRAINT chk_address_country CHECK (country ~ '^[[:upper:]][[:lower:]]+(?:\s[[:upper:]][[:lower:]]+){0,1}$');
+
+ALTER TABLE users.user  ADD CONSTRAINT chk_user_email CHECK (email ~ '^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,6}$');
+
+ALTER TABLE users.user ADD CONSTRAINT chk_user_phone CHECK (phone ~ '^\+\d{1,3}\s\d{1,15}$');
+
+ALTER TABLE users.user ADD CONSTRAINT chk_user_name CHECK (name ~ '^[[:upper:]][[:lower:]]+$');
+
+ALTER TABLE users.user ADD CONSTRAINT chk_user_surname CHECK (surname ~ '^[[:alpha:]]+((\s)?('')?(-)?)?[[:alpha:]]+$');
+
+ALTER TABLE users.user ADD CONSTRAINT chk_user_username CHECK (username ~ '^[[:alnum:]]+$');
+
+ALTER TABLE users.interest ADD CONSTRAINT chk_interest_name CHECK (name ~ '^[[:upper:]][[:lower:]]+(?:\s[[:alpha:]]+)*$');
+
+ALTER TABLE events.event ADD CONSTRAINT chk_event_slug CHECK (slug ~ '^[[:alnum:]]+(?:-[[:alnum:]]+)*$');
+
+ALTER TABLE events.event ADD CONSTRAINT check_start_end_time CHECK (start_at < end_at);
+
+ALTER TABLE events.tag ADD CONSTRAINT chk_tag_name CHECK (name ~ '^[[:alpha:]]+(?:\s[[:alpha:]]+)*$');
+
+ALTER TABLE events.parameter ADD CONSTRAINT chk_parameter_value CHECK (value ~ '^[[:alnum:]]+(?:\s[[:alnum:]]+)*$');
+
+ALTER TABLE events.parameter ADD CONSTRAINT chk_parameter_key CHECK (key ~ '^[[:alpha:]]+(?:\s[[:alpha:]]+)*$');
+
+ALTER TABLE users.role ADD CONSTRAINT chk_three_roles CHECK (id <= 3);
+
+ALTER TABLE users.role ADD CONSTRAINT chk_role_name CHECK (name ~ '^(Organizer|Admin|User)$');
+
+ALTER TABLE common.status ADD CONSTRAINT chk_five_statuses CHECK (id <= 5);
+
+ALTER TABLE common.status ADD CONSTRAINT chk_status_name  CHECK (name ~ '^(Interested|Participating|Completed|In progress|Waiting for approval)$');
+
+ALTER TABLE common.object_type ADD CONSTRAINT chk_two_object_types CHECK (id <= 2);
+
+ALTER TABLE common.object_type ADD CONSTRAINT chk_object_type_name CHECK (name ~ '^(Event|User)$');
+
+ALTER TABLE common.status
+ADD CONSTRAINT chk_object_type_for_status
+CHECK (
+    (name IN ('Interested', 'Participating') AND object_type_id = 2) OR
+    (name IN ('Completed', 'In progress', 'Waiting for approval') AND object_type_id = 1)
+);
+
+CREATE UNIQUE INDEX unique_image_for_user
+ON common.image ("object_type_id", "object_id")
 WHERE ("object_type_id" = 2);
\ No newline at end of file