as_record_batch_reader: Convert an object to an Arrow RecordBatchReader

In arrow: Integration to 'Apache' 'Arrow'

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()

arrow documentation built on Sept. 11, 2024, 8:02 p.m.