Initial commit

sql/00001.sql

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+CREATE TYPE datapoint_type AS ENUM('INT', 'STRING', 'DATETIME');
+
+CREATE TABLE public.datapoint (
+	"id"         serial NOT NULL,
+	"name"       varchar NOT NULL,
+	"datatype"   datapoint_type NOT NULL,
+	"last_value" timestamptz DEFAULT '1970-01-01 00:00:00+00' NOT NULL,
+	CONSTRAINT datapoint_pk PRIMARY KEY (id),
+	CONSTRAINT datapoint_unique UNIQUE ("name")
+);

sql/00002.sql

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+CREATE TABLE public.datapoint_value (
+	id serial8 NOT NULL,
+	datapoint_id int4 NOT NULL,
+	ts timestamptz DEFAULT NOW() NOT NULL,
+	value_int int8 NULL,
+	value_string varchar NULL,
+	value_datetime timestamptz NULL,
+	CONSTRAINT datapoint_value_pk PRIMARY KEY (id),
+	CONSTRAINT datapoint_value_datapoint_fk FOREIGN KEY (datapoint_id) REFERENCES public.datapoint(id) ON DELETE CASCADE ON UPDATE CASCADE
+);

sql/00003.sql

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+CREATE TABLE public.area (
+	id serial NOT NULL,
+	name varchar NOT NULL,
+	CONSTRAINT area_pk PRIMARY KEY (id)
+);
+
+CREATE TABLE public.section (
+	id serial NOT NULL,
+	name varchar NOT NULL,
+	area_id int4 NOT NULL,
+	CONSTRAINT section_pk PRIMARY KEY (id),
+	CONSTRAINT section_area_fk FOREIGN KEY (area_id) REFERENCES public.area(id) ON DELETE RESTRICT ON UPDATE RESTRICT
+);

sql/00004.sql

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+ALTER TABLE public.datapoint ADD section_id int4 NULL;
+ALTER TABLE public.datapoint ADD CONSTRAINT datapoint_section_fk FOREIGN KEY (section_id) REFERENCES public."section"(id) ON DELETE SET NULL ON UPDATE SET NULL;

sql/00005.sql

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+CREATE TABLE public.trigger (
+	id serial NOT NULL,
+	name varchar NOT NULL,
+	section_id int4 NOT NULL,
+
+	expression varchar NOT NULL,
+	datapoints jsonb NOT NULL DEFAULT '[]',
+
+	CONSTRAINT trigger_pk PRIMARY KEY (id),
+	CONSTRAINT trigger_section_fk FOREIGN KEY (section_id) REFERENCES public.section(id) ON DELETE RESTRICT ON UPDATE RESTRICT
+);