complex_parameter_count.sql

SELECT
    'id' AS column_name,
    COUNT(id) AS populated_count,
    (COUNT(*) - COUNT(id)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(id)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'city' AS column_name,
    COUNT(city) AS populated_count,
    (COUNT(*) - COUNT(city)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(city)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'post_date' AS column_name,
    COUNT(post_date) AS populated_count,
    (COUNT(*) - COUNT(post_date)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(post_date)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'price' AS column_name,
    COUNT(price) AS populated_count,
    (COUNT(*) - COUNT(price)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(price)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'currency' AS column_name,
    COUNT(currency) AS populated_count,
    (COUNT(*) - COUNT(currency)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(currency)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'title' AS column_name,
    COUNT(title) AS populated_count,
    (COUNT(*) - COUNT(title)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(title)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'url' AS column_name,
    COUNT(url) AS populated_count,
    (COUNT(*) - COUNT(url)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(url)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'location' AS column_name,
    COUNT(location) AS populated_count,
    (COUNT(*) - COUNT(location)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(location)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'year' AS column_name,
    COUNT(year) AS populated_count,
    (COUNT(*) - COUNT(year)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(year)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'brand' AS column_name,
    COUNT(brand) AS populated_count,
    (COUNT(*) - COUNT(brand)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(brand)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'original_model' AS column_name,
    COUNT(original_model) AS populated_count,
    (COUNT(*) - COUNT(original_model)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(original_model)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'model' AS column_name,
    COUNT(model) AS populated_count,
    (COUNT(*) - COUNT(model)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(model)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'frame_material' AS column_name,
    COUNT(frame_material) AS populated_count,
    (COUNT(*) - COUNT(frame_material)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(frame_material)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'wheel_size' AS column_name,
    COUNT(wheel_size) AS populated_count,
    (COUNT(*) - COUNT(wheel_size)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(wheel_size)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'drivetrain' AS column_name,
    COUNT(drivetrain) AS populated_count,
    (COUNT(*) - COUNT(drivetrain)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(drivetrain)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'brake_type' AS column_name,
    COUNT(brake_type) AS populated_count,
    (COUNT(*) - COUNT(brake_type)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(brake_type)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'suspension' AS column_name,
    COUNT(suspension) AS populated_count,
    (COUNT(*) - COUNT(suspension)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(suspension)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'scraped_at' AS column_name,
    COUNT(scraped_at) AS populated_count,
    (COUNT(*) - COUNT(scraped_at)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(scraped_at)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'tire_brand' AS column_name,
    COUNT(tire_brand) AS populated_count,
    (COUNT(*) - COUNT(tire_brand)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(tire_brand)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'frame_size' AS column_name,
    COUNT(frame_size) AS populated_count,
    (COUNT(*) - COUNT(frame_size)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(frame_size)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'travel' AS column_name,
    COUNT(travel) AS populated_count,
    (COUNT(*) - COUNT(travel)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(travel)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

UNION ALL

SELECT
    'source' AS column_name,
    COUNT(source) AS populated_count,
    (COUNT(*) - COUNT(source)) AS missing_count,
    COUNT(*) AS total_rows,
    ROUND((COUNT(source)::DECIMAL * 100 / COUNT(*)), 2) AS percentage_populated
FROM bike_listings_new

ORDER BY
    percentage_populated DESC; -- or ORDER BY missing_count DESC;