Unnesting production_country
Back to the movie dataset from the streaming startup. This time, focus on production_country: each row holds two nested fields, a country code and a country name. Unnest the struct so those fields become regular top-level columns.
Bu egzersiz, kursun bir parçasıdır
Scaling and Optimizing Data Pipelines with Polars
Egzersiz talimatları
- Unnest the
production_countrystruct column so its fields become regular columns.
Uygulamalı etkileşimli egzersiz
Bu egzersizi bu örnek kodu tamamlayarak deneyin.
# Flatten the struct into columns
result = movies.____("production_country").select(
"movie_title", "code", "name"
).head(8)
print(result)