Clean repo

script/sql/section_create/13.controls.sql

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+-- [CONTROLS]
+
+CREATE TYPE CONTROLS_1_PREP AS ENUM ('ABOVE', 'BELOW');
+
+-- LINK  linkID  status  IF NODE   nodeID  ABOVE / BELOW   value
+CREATE TABLE CONTROLS_1
+(
+  LinkID VARCHAR(32) PRIMARY KEY REFERENCES _LINK(ID)
+, Status TEXT NOT NULL -- OPEN / CLOSED, a pump speed setting, or a control valve setting
+, NodeID VARCHAR(32) REFERENCES _NODE(ID) NOT NULL
+, Prep CONTROLS_1_PREP NOT NULL
+, Value NUMERIC NOT NULL
+);
+
+--  LINK linkID   status   AT TIME  time
+CREATE TABLE CONTROLS_2
+(
+  LinkID VARCHAR(32) PRIMARY KEY REFERENCES _LINK(ID)
+, Status TEXT NOT NULL -- OPEN / CLOSED, a pump speed setting, or a control valve setting
+, Time INTERVAL HOUR
+);
+
+--  LINK linkID   status   AT CLOCKTIME clocktime   AM / PM
+CREATE TABLE CONTROLS_3
+(
+  LinkID VARCHAR(32) PRIMARY KEY REFERENCES _LINK(ID)
+, Status TEXT NOT NULL -- OPEN / CLOSED, a pump speed setting, or a control valve setting
+, ClockTimeHour INTERVAL HOUR -- get AM/PM from it
+, ClockTimeMin  INTERVAL MINUTE
+);