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in Big Data Hadoop & Spark by (11.4k points)
I have a Spark DataFrame query that is guaranteed to return single column with single Int value. What is the best way to extract this value as Int from the resulting DataFrame?

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by (32.3k points)

I will suggest you to use head()

df.head().getInt(0)

You can also use first()

df.first().getInt(0)

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