class TableWriter[T] extends Serializable with Logging
Writes RDD data into given Cassandra table. Individual column values are extracted from RDD objects using given RowWriter Then, data are inserted into Cassandra with batches of CQL INSERT statements. Each RDD partition is processed by a single thread.
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- val columnNames: Seq[String]
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def
delete(columns: ColumnSelector)(taskContext: TaskContext, data: Iterator[T]): Unit
Cql DELETE statement
Cql DELETE statement
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columns to delete, the row will be deleted completely if the list is empty
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primary key values to select delete rows
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write(taskContext: TaskContext, data: Iterator[T]): Unit
Main entry point if counter or collection column need to be updated Cql UPDATE command will be used INSERT otherwise
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(Since version ) see corresponding Javadoc for more information.