An instance of Column if the JsonReader was pointing to an instance of it, or null if it was pointing to JSON null. Throws: IOException - If an error occurs while reading the Column. name public String name()
Apache Cassandrahas on-premises, cloud and hybrid deployment configurations. Its open source license offers community support through Planet Cassandra, which has resources from monthly global meetups to regular onboarding meetings for new users. However, the learning curve for initial setup and op...
Below are the subclasses of the DataType classes in PySpark and we can change or cast DataFrame columns to only these types. ArrayType,BinaryType,BooleanType,CalendarIntervalType,DateType,HiveStringType,MapType,NullType,NumericType,ObjectType,StringType,StructType,TimestampType ...
3. Split DataFrame column using raw Spark SQL Here, let’s use the same example using Spark SQL syntax. As you might already aware in order to use RAW SQL, first you need to create a view from the DataFrame. df.createOrReplaceTempView("PERSON") spark.sql("select SPLIT(name,',') as...