fix: use go-migrate pkg to init or update db schema

Instead to implement own logic how the database scheme should be updated
or migrated to a newer or older version flucky use now instead the
go-migrate package.

pkg/repository/db/postgres/ddl/1_table_devices.down.sql

@@ -0,0 +1 @@
+DROP TABLE devices;

pkg/repository/db/postgres/ddl/1_table_devices.up.sql

@@ -1,7 +1,8 @@
-CREATE TABLE IF NOT EXISTS devices (
-  device_id               CHAR(36)                                                CONSTRAINT pk_devices PRIMARY KEY,
+CREATE TABLE devices (
+  device_id               CHAR(36)                                                NOT NULL,
   device_name             VARCHAR(64)                                             NOT NULL,
   device_location         VARCHAR(64),
   creation_date           TIMESTAMP WITH TIME ZONE    DEFAULT CURRENT_TIMESTAMP   NOT NULL,
-  update_date             TIMESTAMP WITH TIME ZONE
+  update_date             TIMESTAMP WITH TIME ZONE,
+  CONSTRAINT pk_devices PRIMARY KEY(device_id)
 );

pkg/repository/db/postgres/ddl/2_table_sensors.down.sql

@@ -0,0 +1 @@
+DROP TABLE sensors;

pkg/repository/db/postgres/ddl/2_table_sensors.up.sql

@@ -1,5 +1,5 @@
-CREATE TABLE IF NOT EXISTS sensors (
-  sensor_id               CHAR(36)                                                CONSTRAINT pk_sensors PRIMARY KEY,
+CREATE TABLE sensors (
+  sensor_id               CHAR(36)                                                NOT NULL,
   sensor_name             VARCHAR(64)                                             NOT NULL,
   sensor_location         VARCHAR(64),
   wire_id                 VARCHAR(64),
@@ -11,11 +11,7 @@ CREATE TABLE IF NOT EXISTS sensors (
   tick_duration           VARCHAR(6)                                              NOT NULL,
   device_id               CHAR(36)                                                NOT NULL,
   creation_date           TIMESTAMP WITH TIME ZONE    DEFAULT CURRENT_TIMESTAMP   NOT NULL,
-  update_date             TIMESTAMP WITH TIME ZONE
-);
-
-ALTER TABLE sensors
-ADD FOREIGN KEY (device_id)
-REFERENCES devices(device_id)
-ON DELETE CASCADE
-ON UPDATE CASCADE;
+  update_date             TIMESTAMP WITH TIME ZONE,
+  CONSTRAINT pk_sensors PRIMARY KEY(sensor_id),
+  CONSTRAINT fk_sensors_device_id FOREIGN KEY (device_id) REFERENCES devices(device_id) ON DELETE CASCADE ON UPDATE CASCADE
+);

pkg/repository/db/postgres/ddl/3_table_humidites.down.sql

@@ -0,0 +1 @@
+DROP TABLE humidities;

pkg/repository/db/postgres/ddl/3_table_humidites.up.sql

@@ -1,14 +1,10 @@
-CREATE TABLE IF NOT EXISTS pressures (
-  id                      CHAR(36)                                                CONSTRAINT pk_pressures PRIMARY KEY,
+CREATE TABLE humidities (
+  id                      CHAR(36)                                                NOT NULL,
   value                   NUMERIC(10,3)                                           NOT NULL,
   date                    TIMESTAMP WITH TIME ZONE                                NOT NULL,
   sensor_id               CHAR(36)                                                NOT NULL,
   creation_date           TIMESTAMP WITH TIME ZONE    DEFAULT CURRENT_TIMESTAMP   NOT NULL,
-  update_date             TIMESTAMP WITH TIME ZONE
-);
-
-ALTER TABLE pressures
-ADD FOREIGN KEY (sensor_id)
-REFERENCES sensors(sensor_id)
-ON DELETE CASCADE
-ON UPDATE CASCADE;
+  update_date             TIMESTAMP WITH TIME ZONE,
+  CONSTRAINT pk_humidites PRIMARY KEY (id),
+  CONSTRAINT pk_humidites_sensor_id FOREIGN KEY(sensor_id) REFERENCES sensors(sensor_id) ON DELETE CASCADE ON UPDATE CASCADE
+);

pkg/repository/db/postgres/ddl/4_table_pressures.down.sql

@@ -0,0 +1 @@
+DROP TABLE pressures;

pkg/repository/db/postgres/ddl/4_table_pressures.up.sql

@@ -1,14 +1,10 @@
-CREATE TABLE IF NOT EXISTS temperatures (
-  id                      CHAR(36)                                                CONSTRAINT pk_temperatures PRIMARY KEY,
+CREATE TABLE pressures (
+  id                      CHAR(36)                                                NOT NULL,
   value                   NUMERIC(10,3)                                           NOT NULL,
   date                    TIMESTAMP WITH TIME ZONE                                NOT NULL,
   sensor_id               CHAR(36)                                                NOT NULL,
   creation_date           TIMESTAMP WITH TIME ZONE    DEFAULT CURRENT_TIMESTAMP   NOT NULL,
-  update_date             TIMESTAMP WITH TIME ZONE
-);
-
-ALTER TABLE temperatures
-ADD FOREIGN KEY (sensor_id)
-REFERENCES sensors(sensor_id)
-ON DELETE CASCADE
-ON UPDATE CASCADE;
+  update_date             TIMESTAMP WITH TIME ZONE,
+  CONSTRAINT pk_pressures PRIMARY KEY(id),
+  CONSTRAINT pk_pressures_sensor_id FOREIGN KEY(sensor_id) REFERENCES sensors(sensor_id) ON DELETE CASCADE ON UPDATE CASCADE
+);

pkg/repository/db/postgres/ddl/5_table_temperatures.down.sql

@@ -0,0 +1 @@
+DROP TABLE temperatures;

pkg/repository/db/postgres/ddl/5_table_temperatures.up.sql

@@ -1,14 +1,10 @@
-CREATE TABLE IF NOT EXISTS humidities (
-  id                      CHAR(36)                                                CONSTRAINT pk_humidities PRIMARY KEY,
+CREATE TABLE temperatures (
+  id                      CHAR(36)                                                NOT NULL,
   value                   NUMERIC(10,3)                                           NOT NULL,
-  date                    TIMESTAMP WITH TIME ZONE                                               NOT NULL,
+  date                    TIMESTAMP WITH TIME ZONE                                NOT NULL,
   sensor_id               CHAR(36)                                                NOT NULL,
   creation_date           TIMESTAMP WITH TIME ZONE    DEFAULT CURRENT_TIMESTAMP   NOT NULL,
-  update_date             TIMESTAMP WITH TIME ZONE
-);
-
-ALTER TABLE humidities
-ADD FOREIGN KEY (sensor_id)
-REFERENCES sensors(sensor_id)
-ON DELETE CASCADE
-ON UPDATE CASCADE;
+  update_date             TIMESTAMP WITH TIME ZONE,
+  CONSTRAINT pk_temperatures PRIMARY KEY (id),
+  CONSTRAINT fk_temperatures_sensor_id FOREIGN KEY (sensor_id) REFERENCES sensors(sensor_id) ON DELETE CASCADE ON UPDATE CASCADE
+);