Fix allow date filter comparison on time aspect

Author: Espen Gulbrandsen

src/Events/Migration/v0.45/01-setup-functions.sql

@@ -0,0 +1,52 @@
+CREATE OR REPLACE FUNCTION events.getappevents_v2(
+	_subject character varying,
+	_after character varying,
+	_from timestamp with time zone,
+	_to timestamp with time zone,
+	_type text[],
+	_source text[],
+	_resource text,
+	_size integer)
+    RETURNS TABLE(cloudevents text) 
+    LANGUAGE 'plpgsql'
+    COST 100
+    VOLATILE PARALLEL UNSAFE
+    ROWS 1000
+
+AS $BODY$
+
+DECLARE
+_sequenceno_first bigint;
+_sequenceno_last bigint;
+BEGIN
+
+IF _after IS NOT NULL AND _after <> '' THEN
+	SELECT
+		case count(*)
+		when 0
+			then 0
+		else
+			(SELECT MIN(sequenceno)
+			FROM events.events
+			WHERE cloudevent->>'id' = _after)
+		end
+	INTO _sequenceno_first
+	FROM events.events
+	WHERE cloudevent->>'id' = _after;
+END IF;
+SELECT MAX(sequenceno) INTO _sequenceno_last FROM events.events WHERE registeredtime <= now() - interval '30 second';
+return query
+	SELECT cast(cloudevent as text) as cloudevents
+	FROM events.events
+	WHERE (_subject IS NULL OR cloudevent->>'subject' = _subject)
+		AND (_from IS NULL OR (cloudevent->>'time')::timestamptz >= _from)
+		AND (_to IS NULL OR (cloudevent->>'time')::timestamptz <= _to)
+		AND (_type IS NULL OR cloudevent->>'type' ILIKE ANY(_type))
+		AND (_source IS NULL OR cloudevent->>'source' ILIKE ANY(_source))
+		AND (_resource IS NULL OR cloudevent->>'resource' = _resource)
+		AND (_after IS NULL OR _after = '' OR sequenceno > _sequenceno_first)
+		AND (_sequenceno_last IS NULL OR sequenceno <= _sequenceno_last)
+	ORDER BY sequenceno
+	limit _size;
+END;
+$BODY$;