com.datastax.spark.connector.writer

RowWriter

trait RowWriter[T] extends Serializable

RowWriter knows how to write an object to Cassandra using the Java Cassandra driver.

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DefaultRowWriter, GenericRowWriter
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Abstract Value Members

  1. abstract def bind(data: T, stmt: PreparedStatement): BoundStatement

    Extracts column values from data object and binds them to the given statement.

    Extracts column values from data object and binds them to the given statement. Variables of the prepared statement are named the same as column names to be saved. This method must not rely on any particular order of variables.

  2. abstract def columnNames: Seq[String]

    List of columns this RowWriter is going to write.

    List of columns this RowWriter is going to write. Used to construct appropriate INSERT or UPDATE statement.

  3. abstract def estimateSizeInBytes(data: T): Int

    Estimates serialized size in bytes of a data object.

    Estimates serialized size in bytes of a data object. Used for grouping statements into batches.

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