Data transformation block types

add_field

Add fields to a record

cassandra.write

Write into a Cassandra data store

filter

Filter records

key

Set the Redis key for this data entry

map

Map a record into a new output based on expressions

redis.write

Write to a Redis data structure

relational.write

Write into a SQL-compatible data store

remove_field

Remove fields

rename_field

Rename fields. All other fields remain unchanged.