47 lines
1.3 KiB
SQL
47 lines
1.3 KiB
SQL
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
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CREATE TYPE "QuantityUnit" AS ENUM (
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'g',
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'dkg',
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'kg',
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'piece'
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);
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CREATE TABLE photos (
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id serial NOT NULL PRIMARY KEY,
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local_path character varying NOT NULL,
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file_name character varying NOT NULL,
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unique_name text DEFAULT (gen_random_uuid())::text NOT NULL
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);
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CREATE TABLE products (
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id serial NOT NULL PRIMARY KEY,
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"name" character varying NOT NULL,
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category character varying,
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deliver_days_flag integer DEFAULT 127 NOT NULL
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);
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CREATE TABLE product_variants (
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id serial NOT NULL PRIMARY KEY,
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product_id integer REFERENCES products (id) NOT NULL,
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"name" character varying NOT NULL,
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short_description character varying NOT NULL,
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long_description character varying NOT NULL,
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price integer NOT NULL,
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CONSTRAINT non_negative CHECK ((price >= 0))
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);
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CREATE TABLE stocks (
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id serial NOT NULL PRIMARY KEY,
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product_variant_id integer REFERENCES product_variants(id) NOT NULL,
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quantity integer DEFAULT 0 NOT NULL,
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quantity_unit "QuantityUnit" NOT NULL,
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CONSTRAINT positive_quantity CHECK ((quantity >= 0))
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);
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CREATE TABLE product_photos (
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id serial NOT NULL PRIMARY KEY,
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product_variant_id integer REFERENCES product_variants(id) NOT NULL,
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photo_id integer REFERENCES photos(id) NOT NULL
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);
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