Breaking. Update to Apache Arrow v8.0, remove export of arrow Type enum. To specify types using integer type ids, use the Apache Arrow Type export directly. Arrow v8.0 has a significant number of API changes that affect calls to Arrow tables produced by Arquero. For example, arrowTable.getColumn() no longer exists, use arrowTable.getChild() instead.
Fix pivot count aggregation to respect pivot keys. (#273)
Changes from v4.8.8:
Typeenum. To specify types using integer type ids, use the Apache ArrowTypeexport directly. Arrow v8.0 has a significant number of API changes that affect calls to Arrow tables produced by Arquero. For example,arrowTable.getColumn()no longer exists, usearrowTable.getChild()instead.