CREATE VIEW v_plz AS
SELECT plz, p.dest AS bestimmungsort, g.name AS gemeinde, g.gkz, o.name AS ort, o.okz
FROM AT_gem g
    JOIN AT_ort o ON o.gkz = g.gkz
    JOIN AT_plz_dest p ON p.okz = o.okz;

CREATE VIEW v_area_commitment AS
SELECT c.fbnr, m.mgnr, m.family_name, m.given_name,
       c.sortid, c.cultid, c.area,
       c.kgnr, c.gstnr, c.rdnr,
       c.year_from, c.year_to,
       GROUP_CONCAT(DISTINCT a.attrid) AS attributes,
       c.comment
FROM area_commitment c
    JOIN member m ON m.mgnr = c.mgnr
    LEFT JOIN area_commitment_attribute a ON a.fbnr = c.fbnr
GROUP BY c.fbnr
ORDER BY c.fbnr;

CREATE VIEW v_delivery AS
SELECT p.year, p.did, p.dpnr,
       d.date, d.time, d.zwstid, d.lnr, d.lsnr,
       m.mgnr, m.family_name, m.given_name,
       p.sortid, p.weight, p.kmw, ROUND(p.kmw * (4.54 + 0.022 * p.kmw), 0) AS oe, p.qualid, p.hkid, p.kgnr,
       GROUP_CONCAT(DISTINCT a.attrid) as attributes, GROUP_CONCAT(DISTINCT o.modid) as modifiers,
       d.comment, p.comment as part_comment
FROM delivery_part p
    JOIN delivery d ON (d.year, d.did) = (p.year, p.did)
    JOIN member m ON m.mgnr = d.mgnr
    LEFT JOIN delivery_part_attribute a ON (a.year, a.did, a.dpnr) = (p.year, p.did, p.dpnr)
    LEFT JOIN delivery_part_modifier o ON (o.year, o.did, o.dpnr) = (p.year, p.did, p.dpnr)
GROUP BY p.year, p.did, p.dpnr
ORDER BY p.year, p.did, p.dpnr;

CREATE VIEW v_stat_season AS
SELECT year,
       SUM(weight) AS sum,
       ROUND(SUM(kmw * weight) / SUM(weight), 2) AS kmw,
       ROUND(SUM(oe * weight) / SUM(weight), 1) AS oe,
       COUNT(DISTINCT did) AS lieferungen,
       COUNT(DISTINCT mgnr) AS mitglieder
FROM v_delivery
GROUP BY year
ORDER BY year;

CREATE VIEW v_stat_sort AS
SELECT year, sortid,
       SUM(weight) as sum,
       ROUND(SUM(kmw * weight) / SUM(weight), 2) AS kmw,
       ROUND(SUM(oe * weight) / SUM(weight), 1) AS oe,
       COUNT(DISTINCT did) AS lieferungen,
       COUNT(DISTINCT mgnr) AS mitglieder
FROM v_delivery
GROUP BY year, sortid
ORDER BY year, sortid;

CREATE VIEW v_stat_attr AS
SELECT year, attributes,
       SUM(weight) as sum,
       ROUND(SUM(kmw * weight) / SUM(weight), 2) AS kmw,
       ROUND(SUM(oe * weight) / SUM(weight), 1) AS oe,
       COUNT(DISTINCT did) AS lieferungen,
       COUNT(DISTINCT mgnr) AS mitglieder
FROM v_delivery
GROUP BY year, attributes
ORDER BY year, LENGTH(attributes) DESC, attributes;

CREATE VIEW v_stat_sort_attr AS
SELECT year, sortid, attributes,
       SUM(weight) as sum,
       ROUND(SUM(kmw * weight) / SUM(weight), 2) AS kmw,
       ROUND(SUM(oe * weight) / SUM(weight), 1) AS oe,
       COUNT(DISTINCT did) AS lieferungen,
       COUNT(DISTINCT mgnr) AS mitglieder
FROM v_delivery
GROUP BY year, sortid, attributes
ORDER BY year, sortid, LENGTH(attributes) DESC, attributes;