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Fix materialized views

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Prices may not exist for some card versions, use a LEFT JOIN so cards
don't get omitted.
This commit is contained in:
Correl Roush 2024-02-21 23:13:03 -05:00
parent 4081634ad6
commit 8303394ced
1 changed files with 57 additions and 0 deletions
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postgres/003-left-join-prices-in-materialized-views.sql Normal file
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DROP MATERIALIZED VIEW IF EXISTS "cards";
CREATE MATERIALIZED VIEW "cards" AS
SELECT "oracle"."oracle_id"
, "oracle"."name"
, "oracle"."color_identity"
, "oracle"."cmc"
, "oracle"."mana_cost"
, "oracle"."type_line"
, "oracle"."edhrec_rank"
, "oracle"."oracle_text"
, "scryfall"."scryfall_id"
, "scryfall"."set_code"
, "scryfall"."collector_number"
, "scryfall"."release_date"
, "scryfall"."rarity"
, "sets"."name" AS "set_name"
, "card_prices"."usd" AS "price_usd"
, "card_prices"."usd_foil" AS "price_usd_foil"
, "card_prices"."eur" AS "price_eur"
, "card_prices"."eur_foil" AS "price_eur_foil"
, "card_prices"."tix" AS "price_tix"
FROM "oracle"
JOIN "scryfall" USING ("oracle_id")
LEFT JOIN "card_prices" ON ("scryfall"."scryfall_id" = "card_prices"."scryfall_id"
AND "card_prices"."date" = (SELECT VALUE FROM "vars" WHERE "key" = 'last_update'))
JOIN "sets" USING ("set_code");
DROP MATERIALIZED VIEW IF EXISTS "oracle_latest";
CREATE MATERIALIZED VIEW "oracle_latest" AS
SELECT "oracle"."oracle_id"
, "oracle"."name"
, "oracle"."color_identity"
, "oracle"."cmc"
, "oracle"."mana_cost"
, "oracle"."type_line"
, "oracle"."edhrec_rank"
, "oracle"."oracle_text"
, "scryfall"."scryfall_id"
, "scryfall"."set_code"
, "scryfall"."collector_number"
, "scryfall"."release_date"
, "scryfall"."rarity"
, "sets"."name" AS "set_name"
, "card_prices"."usd" AS "price_usd"
, "card_prices"."usd_foil" AS "price_usd_foil"
, "card_prices"."eur" AS "price_eur"
, "card_prices"."eur_foil" AS "price_eur_foil"
, "card_prices"."tix" AS "price_tix"
FROM "oracle"
JOIN (
SELECT DISTINCT ON ("oracle_id") *
FROM "scryfall"
ORDER BY "oracle_id", "release_date" DESC
) "scryfall" USING ("oracle_id")
LEFT JOIN "card_prices" ON ("scryfall"."scryfall_id" = "card_prices"."scryfall_id"
AND "card_prices"."date" = (SELECT VALUE FROM "vars" WHERE "key" = 'last_update'))
JOIN "sets" USING ("set_code");