how to add a column to a dataframe in scala spark permanent
val df2 = df.select(col("EmpId"),col("Salary"),lit("1").as("lit_value1"))
df2.show()how to add a column to a dataframe in scala spark permanent
val df2 = df.select(col("EmpId"),col("Salary"),lit("1").as("lit_value1"))
df2.show()Copyright © 2021 Codeinu
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