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@NeerajBhadani
Last active May 25, 2020 10:12
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flatten
// Generate the nested array using the function "array_repeat".
val arr_repeat_df = df.withColumn("repeat", array_repeat($"array_col2", 2))
// flatten the nested array.
val arr_flat_df = arr_repeat_df
.withColumn("result", flatten($"repeat")).select("repeat", "result")
.select("repeat", "result")
arr_flat_df.show(truncate=false)
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