Columns in eex_v2_mega_catalog:

  - id (int(11))
  - provider (enum('EPEX','EEX','Nordpool'))
  - product_type (enum('SPOT_POWER','POWER_FUTURE','GAS_FUTURE','GAS_SPOT','CO2_FUTURE','GO','AGRICULTURAL_FUTURE','FREIGHT_FUTURE','UNKNOWN_FUTURE'))
  - contract_level (enum('generic','specific'))
  - parent_code (varchar(50))
  - product_code (varchar(100))
  - product_name (varchar(200))
  - scraping_method (enum('API','HTML','HYBRID'))
  - is_active (tinyint(1))
  - country_code (varchar(10))
  - country_name (varchar(100))
  - api_symbol (varchar(200))
  - api_endpoint (varchar(500))
  - api_method (varchar(20))
  - contract_period (varchar(50))
  - maturity_date (date)
  - contract_year (year(4))
  - contract_quarter (tinyint(4))
  - contract_month (tinyint(4))
  - is_favorite (tinyint(1))
  - has_year_variants (tinyint(1))
  - has_quarter_variants (tinyint(1))
  - has_month_variants (tinyint(1))
  - target_table (varchar(100))
  - delivery_type (varchar(50))
  - spot_market_type (varchar(50))
  - delivery_start (date)
  - delivery_end (date)
  - granularity (varchar(50))
  - region (varchar(100))
  - market_area (varchar(100))
  - expected_records_per_day (int(11))
  - expected_frequency (varchar(50))
  - data_available_from (date)
  - data_available_to (date)
  - currency (varchar(10))
  - unit (varchar(50))
  - importance (enum('principal','secondaire','mineur'))
  - priority (int(11))
  - is_available (tinyint(1))
  - trading_status (enum('active','expired','future','suspended'))
  - is_deprecated (tinyint(1))
  - service_id (varchar(50))
  - first_seen_date (date)
  - last_checked_date (datetime)
  - activated_date (datetime)
  - deactivated_date (datetime)
  - deprecated_date (datetime)
  - total_scraped_records (int(11))
  - last_scraped_date (date)
  - last_scrape_success (datetime)
  - last_scrape_error (datetime)
  - error_count (int(11))
  - success_rate (decimal(5,2))
  - description (text)
  - notes (text)
  - tags (varchar(500))
  - config_json (longtext)
  - created_at (timestamp)
  - updated_at (timestamp)
  - created_by (varchar(100))
  - updated_by (varchar(100))