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refactor: update prices table structure with a composite primary key #45

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refactor: update prices table structure with a composite primary key #45

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4 changes: 4 additions & 0 deletions service/db/psql.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -104,6 +104,10 @@ CREATE TABLE IF NOT EXISTS prices (
-- Mark regular_price as required if the table already exists
ALTER TABLE prices ALTER COLUMN regular_price SET NOT NULL;

ALTER TABLE prices DROP CONSTRAINT IF EXISTS prices_pkey;
ALTER TABLE prices DROP CONSTRAINT IF EXISTS prices_chain_product_id_store_id_price_date_key;
ALTER TABLE prices ADD CONSTRAINT prices_pkey PRIMARY KEY (store_id, chain_product_id, price_date);

-- Prices table to store min/max/avg prices per chain
CREATE TABLE IF NOT EXISTS chain_prices (
id SERIAL PRIMARY KEY,
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