From 5a8fa2161ba5b53ab05e43649e8ae5532cf0a8df Mon Sep 17 00:00:00 2001 From: Trygve Laugstøl Date: Thu, 26 Feb 2015 08:43:27 +0100 Subject: o Adding utility to insert samples from json files. --- apps/soil-moisture.sql | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 apps/soil-moisture.sql (limited to 'apps/soil-moisture.sql') diff --git a/apps/soil-moisture.sql b/apps/soil-moisture.sql new file mode 100644 index 0000000..7f16200 --- /dev/null +++ b/apps/soil-moisture.sql @@ -0,0 +1,24 @@ +DROP TABLE IF EXISTS soil_moisture_sample; +DROP TABLE IF EXISTS soil_moisture_sensor; +DROP TABLE IF EXISTS soil_moisture_device; + +DROP SEQUENCE IF EXISTS sm_id; +CREATE SEQUENCE sm_id; + +CREATE TABLE soil_moisture_device ( + id BIGINT PRIMARY KEY NOT NULL DEFAULT nextval('sm_id'), + mac VARCHAR(100) +); + +CREATE TABLE soil_moisture_sensor ( + id BIGINT PRIMARY KEY NOT NULL DEFAULT nextval('sm_id'), + device BIGINT NOT NULL REFERENCES soil_moisture_device, + sensor BIGINT NOT NULL +); + +CREATE TABLE soil_moisture_sample ( + sensor BIGINT NOT NULL REFERENCES soil_moisture_sensor, + timestamp BIGINT NOT NULL, + value BIGINT NOT NULL, + PRIMARY KEY (sensor, timestamp) +) WITHOUT OIDS; -- cgit v1.2.3