From 508822c91cd43d925ba3323f5454998cef71cead Mon Sep 17 00:00:00 2001
From: "WQY\\qiong" <qiongyu.wang@outlook.com>
Date: Sat, 22 Oct 2022 10:57:35 +0800
Subject: [PATCH] Refine status schema

---
 script/sql/create/10.status.sql | 28 +++++-----------------------
 script/sql/drop/10.status.sql   | 12 ++----------
 2 files changed, 7 insertions(+), 33 deletions(-)

diff --git a/script/sql/create/10.status.sql b/script/sql/create/10.status.sql
index 44f007b..68f001a 100644
--- a/script/sql/create/10.status.sql
+++ b/script/sql/create/10.status.sql
@@ -1,29 +1,11 @@
 -- [STATUS]
 
-create type status_pipe_pump_status as enum ('open', 'closed');
+create type link_status as enum ('OPEN', 'CLOSED', 'ACTIVE');
 
-create table status_pipe
-(
-  id varchar(32) primary key references pipes(id)
-, status status_pipe_pump_status not null
-);
-
-create table status_pump
-(
-  id varchar(32) primary key references pumps(id)
-, status status_pipe_pump_status not null
-);
-
-create type status_valve_status as enum ('open', 'closed', 'active');
-
-create table status_valve
-(
-  id varchar(32) primary key references valves(id)
-, status status_valve_status not null
-);
-
-create table status_link
+create table status
 (
   id varchar(32) primary key references _link(id)
-, setting numeric not null
+, l_status link_status
+, setting numeric
+, check (l_status is not null or setting is not null)
 );
diff --git a/script/sql/drop/10.status.sql b/script/sql/drop/10.status.sql
index c3273b3..fe43c43 100644
--- a/script/sql/drop/10.status.sql
+++ b/script/sql/drop/10.status.sql
@@ -1,13 +1,5 @@
 -- [STATUS]
 
-drop table if exists status_link;
+drop table if exists status;
 
-drop table if exists status_valve;
-
-drop type if exists status_valve_status;
-
-drop table if exists status_pump;
-
-drop table if exists status_pipe;
-
-drop type if exists status_pipe_pump_status;
+drop type if exists link_status;