Scanner {arrow}R Documentation

Scan the contents of a dataset

Description

A Scanner iterates over a Dataset's fragments and returns data according to given row filtering and column projection. A ScannerBuilder can help create one.

Factory

Scanner$create() wraps the ScannerBuilder interface to make a Scanner. It takes the following arguments:

Methods

ScannerBuilder has the following methods:

Scanner currently has a single method, $ToTable(), which evaluates the query and returns an Arrow Table.


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