add column in spark dataframe
from pyspark.sql.functions import lit
df = sqlContext.createDataFrame(
[(1, "a", 23.0), (3, "B", -23.0)], ("x1", "x2", "x3"))
df_with_x4 = df.withColumn("x4", lit(0))
df_with_x4.show()
## +---+---+-----+---+
## | x1| x2| x3| x4|
## +---+---+-----+---+
## | 1| a| 23.0| 0|
## | 3| B|-23.0| 0|
## +---+---+-----+---+in spark to adding new column
+-----+------+
|EmpId|Salary|
+-----+------+
|111 |50000 |
|222 |60000 |
|333 |40000
+-----+------+Copyright © 2021 Codeinu
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