86 lines
3.8 KiB
SQL
86 lines
3.8 KiB
SQL
-- Version 0.5.5.1 Removed character length restrictions as the docs for POSTGRESQL recommend not specifying a limit.
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-- Version 0.6.0.0 Changed the numeric values to integers as Golang doesn't have a native decimal type.
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DROP TABLE IF EXISTS property_value;
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DROP TABLE IF EXISTS property;
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DROP TABLE IF EXISTS property_data_type;
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DROP TABLE IF EXISTS item_component;
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DROP TABLE IF EXISTS item;
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DROP TABLE IF EXISTS subcategory;
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DROP TABLE IF EXISTS category;
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CREATE TABLE property_data_type (
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property_data_type_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
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property_data_type CHARACTER VARYING UNIQUE NOT NULL
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);
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INSERT INTO property_data_type (property_data_type) VALUES ('Money');
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INSERT INTO property_data_type (property_data_type) VALUES ('Text');
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INSERT INTO property_data_type (property_data_type) VALUES ('DateTime');
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INSERT INTO property_data_type (property_data_type) VALUES ('Number');
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CREATE TABLE category (
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category_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
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category_name CHARACTER VARYING UNIQUE NOT NULL
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);
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CREATE TABLE subcategory (
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subcategory_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
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subcategory_name CHARACTER VARYING UNIQUE NOT NULL,
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category_id INT NOT NULL REFERENCES category(category_id)
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);
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CREATE TABLE item (
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item_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
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item_name CHARACTER VARYING NOT NULL,
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value_cents INT DEFAULT 0,
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purchase_cost_cents INT DEFAULT 0,
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date_aquired TIMESTAMP WITH TIME ZONE,
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description CHARACTER VARYING,
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notes CHARACTER VARYING,
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sold_for_cents INT DEFAULT 0,
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sold_to CHARACTER VARYING, -- Could be a pointer TO a TABLE OF comtacts.
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category_id INT NOT NULL REFERENCES category(category_id),
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subcategory_id INT REFERENCES subcategory(subcategory_id)
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);
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-- Example: property_name of "Author" which maps to property_data_type of "Text".
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CREATE TABLE property (
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property_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
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property_name CHARACTER varying NOT NULL,
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property_type_id INT NOT NULL REFERENCES property_data_type(property_data_type_id),
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category_id INT NOT NULL REFERENCES category(category_id),
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subcategory_id INT REFERENCES subcategory(subcategory_id)
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);
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-- Allows grouping items together, i.e. Alienware Desktop -> CPU, HDDs / SSDs, Motherboard, etc.
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CREATE TABLE item_component (
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item_component_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
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item_id INT NOT NULL REFERENCES item(item_id),
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item_subcomponent_id INT NOT NULL REFERENCES item(item_id)
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);
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CREATE TABLE property_value (
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property_value_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
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item_id INT NOT NULL REFERENCES item(item_id),
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property_id INT NOT NULL REFERENCES property(property_id),
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value CHARACTER VARYING NOT NULL
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);
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INSERT INTO category (category_name) VALUES ('Books');
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INSERT INTO category (category_name) VALUES ('Electronics');
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INSERT INTO category (category_name) VALUES ('Appliances');
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INSERT INTO category (category_name) VALUES ('Kitchenware');
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INSERT INTO subcategory(subcategory_name, category_id) VALUES ('PCIe Cards', 2);
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INSERT INTO subcategory(subcategory_name, category_id) VALUES ('Laptops', 2);
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INSERT INTO subcategory(subcategory_name, category_id) VALUES ('Desktops', 2);
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INSERT INTO subcategory(subcategory_name, category_id) VALUES ('CPUs', 2);
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INSERT INTO subcategory(subcategory_name, category_id) VALUES ('Hard Drives', 2);
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INSERT INTO subcategory(subcategory_name, category_id) VALUES ('Switches', 2);
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INSERT INTO subcategory(subcategory_name, category_id) VALUES ('Routers', 2);
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INSERT INTO subcategory(subcategory_name, category_id) VALUES ('CPU Coolers', 2);
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INSERT INTO subcategory(subcategory_name, category_id) VALUES ('USB Devices', 2);
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INSERT INTO subcategory(subcategory_name, category_id) VALUES ('Oscilloscopes', 2);
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INSERT INTO subcategory(subcategory_name, category_id) VALUES ('Heaters', 3);
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INSERT INTO subcategory(subcategory_name, category_id) VALUES ('Eletric Kettles', 4); |