je besoin d'une aide avec une simplification de la requête (comme pour éviter etc répétition)postgresql heures de travail simplifient la requête
http://www.sqlfiddle.com/#!17/3607d/1/0
Nous avons 2 objets:
working hours
définis:mon_from
,mon_to
,tue_from
...; si la valeur estnull
alors ne fonctionne pas ce jour-làoffice
défini avec sesname
ettimezone
etworking_hours_id
Nécessité de simplifier une requête qui trouve si ce bureau travaille actuellement, si le bureau ne pas travailler heures indiquées, alors il est ouvert 24/7.
SELECT
name,
(CURRENT_TIMESTAMP::time AT TIME ZONE timezone)::time,
(workinghours.id IS NULL) OR ((
((CURRENT_TIMESTAMP::time AT TIME ZONE timezone)::time BETWEEN mon_from AND mon_to
AND EXTRACT(isodow FROM CURRENT_TIMESTAMP AT TIME ZONE timezone) = 1) OR
((CURRENT_TIMESTAMP::time AT TIME ZONE timezone)::time BETWEEN tue_from AND tue_to
AND EXTRACT(isodow FROM CURRENT_TIMESTAMP AT TIME ZONE timezone) = 2) OR
((CURRENT_TIMESTAMP::time AT TIME ZONE timezone)::time BETWEEN wed_from AND wed_to
AND EXTRACT(isodow FROM CURRENT_TIMESTAMP AT TIME ZONE timezone) = 3) OR
((CURRENT_TIMESTAMP::time AT TIME ZONE timezone)::time BETWEEN thu_from AND thu_to
AND EXTRACT(isodow FROM CURRENT_TIMESTAMP AT TIME ZONE timezone) = 4) OR
((CURRENT_TIMESTAMP::time AT TIME ZONE timezone)::time BETWEEN fri_from AND fri_to
AND EXTRACT(isodow FROM CURRENT_TIMESTAMP AT TIME ZONE timezone) = 5) OR
((CURRENT_TIMESTAMP::time AT TIME ZONE timezone)::time BETWEEN sat_from AND sat_to
AND EXTRACT(isodow FROM CURRENT_TIMESTAMP AT TIME ZONE timezone) = 6) OR
((CURRENT_TIMESTAMP::time AT TIME ZONE timezone)::time BETWEEN sun_from AND sun_to
AND EXTRACT(isodow FROM CURRENT_TIMESTAMP AT TIME ZONE timezone) = 7)
) IS True) AS in_workinghours
FROM office
LEFT JOIN workinghours ON (workinghours.id = office.workinghours_id)
'(CURRENT_TIMESTAMP :: heure à fuseau horaire TIME ZONE) :: time' peut être simplifiée' (CURRENT_TIMESTAMP AU fuseau horaire TIME ZONE) :: time'. – markusk