Add totime trigger on timeserie

db_scripts/changelog.xml

@@ -12,4 +12,5 @@ http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
     <include file="update_v9.sql" relativeToChangelogFile="true"/>
     <include file="update_v10.sql" relativeToChangelogFile="true"/>
     <include file="update_v11.sql" relativeToChangelogFile="true"/>
+    <include file="update_v12.sql" relativeToChangelogFile="true"/>
 </databaseChangeLog>

db_scripts/update_v12.sql

+-- SET TIMESTEP TO 60
+update eea_times
+set timestep = 60
+where id = 'http://dd.eionet.europa.eu/vocabulary/uom/time/minute';
+
+
+-- CREATE A FUNCTION TO UPDATE TOTIME FOR TIMESERIE
+CREATE FUNCTION raven_timeserie_update_time()
+    RETURNS trigger
+    LANGUAGE 'plpgsql'
+AS $$
+DECLARE
+    fromtime timestamp without time zone;
+    totime timestamp without time zone;
+
+BEGIN
+	SELECT oc.from_time, oc.to_time
+    INTO  fromtime, totime
+    FROM observing_capabilities oc
+	WHERE sampling_point_id = NEW.sampling_point_id;
+
+	-- UPDATE FROMTIME IN THE OBSERVING CAPABILITIES TABLE
+	IF fromtime IS NULL OR NEW.from_time < fromtime THEN
+	 	UPDATE observing_capabilities SET from_time = NEW.from_time WHERE sampling_point_id = NEW.sampling_point_id;
+	END IF;
+
+	-- UPDATE TOTIME IN THE OBSERVING CAPABILITIES TABLE
+	IF totime IS NULL OR NEW.to_time > totime THEN
+	 	UPDATE observing_capabilities SET to_time = NEW.to_time WHERE sampling_point_id = NEW.sampling_point_id;
+	END IF;
+
+	RETURN NEW;
+END;
+$$;
+
+-- CREATE A TRIGGER TO RUN FUNCTION AFTER OBS INSERT
+CREATE TRIGGER raven_timeserie_update_time_trigger
+    AFTER INSERT
+    ON public.observations
+    FOR EACH ROW
+    EXECUTE PROCEDURE public.raven_timeserie_update_time();
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