as_record_batch_reader {arrow}R Documentation

Convert an object to an Arrow RecordBatchReader

Description

Convert an object to an Arrow RecordBatchReader

Usage

as_record_batch_reader(x, ...)

## S3 method for class 'RecordBatchReader'
as_record_batch_reader(x, ...)

## S3 method for class 'Table'
as_record_batch_reader(x, ...)

## S3 method for class 'RecordBatch'
as_record_batch_reader(x, ...)

## S3 method for class 'data.frame'
as_record_batch_reader(x, ...)

## S3 method for class 'Dataset'
as_record_batch_reader(x, ...)

## S3 method for class ''function''
as_record_batch_reader(x, ..., schema)

## S3 method for class 'arrow_dplyr_query'
as_record_batch_reader(x, ...)

## S3 method for class 'Scanner'
as_record_batch_reader(x, ...)

Arguments

x

An object to convert to a RecordBatchReader

...

Passed to S3 methods

schema

The schema() that must match the schema returned by each call to x when x is a function.

Value

A RecordBatchReader

Examples


reader <- as_record_batch_reader(data.frame(col1 = 1, col2 = "two"))
reader$read_next_batch()


[Package arrow version 16.1.0 Index]