MAPG-235 refactor: renamed fields in challenge related tables

database/migrations/structure/20210510_2000_challenge.sql

@@ -1,7 +1,7 @@
 CREATE TABLE `challenges` (
   `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
   `token` int(10) unsigned NOT NULL,
-  `timer_sec` int(10) unsigned,
+  `time_limit` int(10) unsigned,
   `no_move` tinyint(1) NOT NULL DEFAULT 0,
   `no_pan` tinyint(1) NOT NULL DEFAULT 0,
   `no_zoom` tinyint(1) NOT NULL DEFAULT 0,
@@ -13,7 +13,7 @@ CREATE TABLE `user_in_challenge` (
   `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
   `user_id` int(10) unsigned NOT NULL,
   `challenge_id` int(10) unsigned NOT NULL,
-  `round` smallint(5) signed NOT NULL DEFAULT 0,
+  `current_round` smallint(5) signed NOT NULL DEFAULT 0,
   `time_left` int(10) unsigned,
   `is_owner` tinyint(1) NOT NULL DEFAULT 0,
   PRIMARY KEY (`id`),
@@ -27,13 +27,13 @@ CREATE TABLE `place_in_challenge` (
   `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
   `place_id` int(10) unsigned NOT NULL,
   `challenge_id` int(10) unsigned NOT NULL,
-  `order` smallint(5) unsigned NOT NULL,
+  `round` smallint(5) unsigned NOT NULL,
   PRIMARY KEY (`id`),
   KEY `place_id` (`place_id`),
   KEY `challenge_id` (`challenge_id`),
   CONSTRAINT `place_in_challenge_place_id` FOREIGN KEY (`place_id`) REFERENCES `places` (`id`),
   CONSTRAINT `place_in_challenge_challenge_id` FOREIGN KEY (`challenge_id`) REFERENCES `challenges` (`id`),
-  CONSTRAINT `unique_order_in_challenge` UNIQUE (`order`, `challenge_id`)
+  CONSTRAINT `unique_order_in_challenge` UNIQUE (`round`, `challenge_id`)
 ) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;
 
 CREATE TABLE `guesses` (