Spark - extracting single value from DataFrame
You can use head
df.head().getInt(0)
or first
df.first().getInt(0)
Check DataFrame scala docs for more details
This could solve your problem.
df.map{
row => row.getInt(0)
}.first()
Spark - extracting single value from DataFrame
You can use head
df.head().getInt(0)
or first
df.first().getInt(0)
Check DataFrame scala docs for more details
This could solve your problem.
df.map{
row => row.getInt(0)
}.first()