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()
#> RecordBatch
#> 1 rows x 2 columns
#> $col1 <double>
#> $col2 <string>
#> 
#> See $metadata for additional Schema metadata