invariant).
importColumn
Imports a column from its exported chunk arrays: each array seals into one chunk, in order (the counterpart of exportColumn).
Parameters
name | the column name |
arrays | the exported arrays, one per chunk, in order |
dtype | the column dtype |
Returns
the imported column (the import copies; the sealed-buffer
Throws
DataFrameException on unsupported layouts or inconsistent
metadata (never a partial column).