Data Structures for KPM and database relations

Models

• Address

• DROP TABLE IF EXISTS public.address;
  
  CREATE TABLE public.address
  (
      uid SERIAL PRIMARY KEY,
      country CHAR(2) NOT NULL,              -- ISO 3166-1 alpha-2 (e.g., 'CH')
     region VARCHAR(100),                   -- State or canton
     city VARCHAR(100) NOT NULL,
      postcode VARCHAR(20) NOT NULL,
      street VARCHAR(255) NOT NULL,
     number VARCHAR(20),   
      unit VARCHAR(50),                      -- Apartment/Suite/Floor/etc.
     extra_address VARCHAR(255),            -- Additional info
     lon DOUBLE PRECISION,                  -- Longitude (optional)
     lat DOUBLE PRECISION                   -- Latitude (optional)
  )
  
  TABLESPACE pg_default;
  
  ALTER TABLE IF EXISTS public.address
     OWNER to kpm_rw;
  
  COMMENT ON TABLE public.address
     IS 'addresses table, instead of making use of addresses for ever company, customer and co... Prefer to make addresses table and then assign it to a company or a user etc.';

• Company_Type

• -- Table: public.company_type
  
  -- DROP TABLE IF EXISTS public.company_type;
  
  CREATE TABLE IF NOT EXISTS public.company_type
  (
      uid SERIAL PRIMARY KEY,
      name VARCHAR(100) COLLATE pg_catalog."default" NOT NULL,
      description VARCHAR(255) COLLATE pg_catalog."default",
      creation_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
      updated_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP
  )
  TABLESPACE pg_default;
  
  ALTER TABLE IF EXISTS public.company_type
     OWNER TO kpm_rw;
  
  COMMENT ON TABLE public.company_type
     IS 'Reference table for different types of companies (e.g., manufacturer, distributor, partner, etc.). Used by company table.';
  
  COMMENT ON COLUMN public.company_type.uid
     IS 'Unique ID for each company type';
  
  COMMENT ON COLUMN public.company_type.name
     IS 'Short name of the company type (e.g., Manufacturer, EMS, Partner)';
  
  COMMENT ON COLUMN public.company_type.description
     IS 'Optional longer description of the company type';
  
  COMMENT ON COLUMN public.company_type.creation_date
     IS 'Timestamp when the entry was created';
  
  COMMENT ON COLUMN public.company_type.updated_date
     IS 'Timestamp for when the entry was last updated (set via application logic or triggers)';