It appears it's called VectorAppender: https://github.com/apache/arrow/blob/master/java/vector/src/main/java/org/apache/arrow/vector/util/VectorAppender.java
Does this work? On Thu, Mar 10, 2022, at 11:38, Gavin Ray wrote: > Curious how I could combine a list of VectorSchemaRoot's that have the same > schema > and also a list of FieldVectors for the same column > > Have been trying to write this for a few hours, don't seem to be getting it. > The data being columnar instead of row-based, and that the underlying values > are mutable are throwing me for a loop > > Any advice appreciated -- thank you =D >
