102 lines
2.7 KiB
MySQL
102 lines
2.7 KiB
MySQL
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-- ugh, this migration really makes me question whether "down" migrations are actually worthwhile...
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-- i honestly can't think of any time where i've wanted to run a "down" migration beyond the initial
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-- dev/testing of the "up" migration.
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---------------------------------------------------------------------------------------
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-- copy of 00009_add_owned_count_to_cards_table.up.sql
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ALTER TABLE cards ADD COLUMN owned_count INT NOT NULL DEFAULT 0;
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CREATE INDEX cards_owned_count_idx ON cards (owned_count);
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CREATE OR REPLACE FUNCTION update_card_owned_count()
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RETURNS TRIGGER
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AS $update_card_owned_count$
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DECLARE
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update_card_id TEXT;
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BEGIN
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IF (TG_OP = 'DELETE') THEN
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update_card_id = OLD.card_id;
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ELSE
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update_card_id = NEW.card_id;
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END IF;
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UPDATE cards
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SET
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owned_count = (
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SELECT COALESCE(SUM(quantity), 0)
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FROM collection cl
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WHERE cl.card_id = update_card_id AND cl.list_id = 0
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)
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WHERE id = update_card_id;
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RETURN NULL;
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END;
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$update_card_owned_count$ LANGUAGE plpgsql;
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CREATE TRIGGER cards_update_owned_count_trigger
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AFTER INSERT OR UPDATE OR DELETE ON collection
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FOR EACH ROW EXECUTE PROCEDURE update_card_owned_count();
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UPDATE cards c
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SET
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owned_count = (
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SELECT COALESCE(SUM(quantity), 0)
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FROM collection cl
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WHERE cl.card_id = c.id AND cl.list_id = 0
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);
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---------------------------------------------------------------------------------------
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-- copy of 00013_add_owned_foil_count_to_cards_table.up.sql
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ALTER TABLE cards ADD COLUMN owned_foil_count INT NOT NULL DEFAULT 0;
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CREATE INDEX cards_owned_foil_count_idx ON cards (owned_foil_count);
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CREATE OR REPLACE FUNCTION update_card_owned_foil_count()
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RETURNS TRIGGER
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AS $update_card_owned_foil_count$
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DECLARE
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update_card_id TEXT;
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BEGIN
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IF (TG_OP = 'DELETE') THEN
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update_card_id = OLD.card_id;
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ELSE
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update_card_id = NEW.card_id;
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END IF;
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UPDATE cards
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SET
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owned_foil_count = (
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SELECT COALESCE(SUM(quantity), 0)
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FROM collection cl
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WHERE cl.card_id = update_card_id AND cl.foil = TRUE AND cl.list_id = 0
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)
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WHERE id = update_card_id;
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RETURN NULL;
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END;
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$update_card_owned_foil_count$ LANGUAGE plpgsql;
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CREATE TRIGGER cards_update_owned_foil_count_trigger
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AFTER INSERT OR UPDATE OR DELETE ON collection
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FOR EACH ROW EXECUTE PROCEDURE update_card_owned_foil_count();
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UPDATE cards c
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SET
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owned_foil_count = (
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SELECT COALESCE(SUM(quantity), 0)
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FROM collection cl
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WHERE cl.card_id = c.id AND cl.foil = TRUE AND cl.list_id = 0
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);
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---------------------------------------------------------------------------------------
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-- copy (part of) 00014_add_better_cards_table_sort_indexes.up.sql
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CREATE INDEX cards_owned_count_asc_id_idx ON cards (owned_count ASC, id);
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CREATE INDEX cards_owned_count_desc_id_idx ON cards (owned_count DESC, id);
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