impress-2020/setup-mysql.sql

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USE openneo_impress;
-- Public data tables: read
GRANT SELECT ON colors TO impress2020;
GRANT SELECT ON color_translations TO impress2020;
GRANT SELECT ON items TO impress2020;
GRANT SELECT ON item_translations TO impress2020;
GRANT SELECT ON parents_swf_assets TO impress2020;
GRANT SELECT ON pet_types TO impress2020;
GRANT SELECT ON pet_states TO impress2020;
GRANT SELECT ON species TO impress2020;
GRANT SELECT ON species_translations TO impress2020;
GRANT SELECT ON swf_assets TO impress2020;
GRANT SELECT ON zones TO impress2020;
GRANT SELECT ON zone_translations TO impress2020;
-- Public data tables: write
GRANT UPDATE ON items TO impress2020;
GRANT DELETE ON parents_swf_assets TO impress2020;
GRANT UPDATE ON pet_states TO impress2020;
GRANT UPDATE ON swf_assets TO impress2020;
-- User data tables
GRANT SELECT ON closet_hangers TO impress2020;
GRANT SELECT ON item_outfit_relationships TO impress2020;
GRANT SELECT ON outfits TO impress2020;
GRANT SELECT ON users TO impress2020;
-- Procedures used in the application
DELIMITER $$
DROP PROCEDURE IF EXISTS GetItemsThatNeedModels$$
CREATE PROCEDURE GetItemsThatNeedModels()
BEGIN
SELECT items.id,
GROUP_CONCAT(DISTINCT pet_types.species_id ORDER BY pet_types.species_id)
AS modeled_species_ids,
-- Vandagyre was added on 2014-11-14, so we add some buffer here.
-- TODO: Some later Dyeworks items don't support Vandagyre.
-- Add a manual db flag?
items.created_at >= "2014-12-01" AS supports_vandagyre
FROM items
INNER JOIN parents_swf_assets psa
ON psa.parent_type = "Item" AND psa.parent_id = items.id
INNER JOIN swf_assets
ON swf_assets.id = psa.swf_asset_id
INNER JOIN pet_types
ON pet_types.body_id = swf_assets.body_id
WHERE
pet_types.color_id = "8"
GROUP BY items.id
HAVING
NOT (
-- Single species (probably just their item)
count(DISTINCT pet_types.species_id) = 1
-- All species modeled
OR modeled_species_ids = "1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55"
-- All species modeled except Vandagyre, for items that don't support it
OR (NOT supports_vandagyre AND modeled_species_ids = "1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54")
-- No species (either an All Bodies item, or a Capsule type thing)
OR modeled_species_ids = ""
)
ORDER BY items.id;
END$$
GRANT EXECUTE ON PROCEDURE GetItemsThatNeedModels TO impress2020$$
-- This procedure is a performance optimization! We want the page to always be
-- up-to-date, but we want to avoid re-running this query if modeling data
-- hasn't changed. So, we use the last contribution timestamp as a cache hint
-- for whether the data has expired. But in this environment, sequential
-- queries are a bottleneck, so I bundled up that logic into this single
-- procedure that can run on the database! That way, it's just one network
-- round-trip instead of two, which makes a noticeable difference in our stack.
DROP PROCEDURE IF EXISTS GetItemsThatNeedModelsIfNotCached$$
CREATE PROCEDURE GetItemsThatNeedModelsIfNotCached(
IN last_known_update TIMESTAMP,
OUT last_actual_update TIMESTAMP
)
BEGIN
SET last_actual_update =
(SELECT created_at FROM contributions ORDER BY id DESC LIMIT 1);
IF last_known_update < last_actual_update THEN
CALL GetItemsThatNeedModels();
END IF;
END$$
GRANT EXECUTE ON PROCEDURE GetItemsThatNeedModelsIfNotCached TO impress2020$$
DELIMITER ;