pathling_read_ndjson {pathling}

Create a data source from NDJSON

Description

Creates a data source from a directory containing NDJSON files. The files must be named with the resource type code and must have the ".ndjson" extension, e.g. "Patient.ndjson" or "Observation.ndjson".

Usage

pathling_read_ndjson(pc, path, extension = "ndjson", file_name_mapper = NULL)

Arguments

pc

The PathlingContext object.

path

The URI of the directory containing the NDJSON files.

extension

The file extension to use when searching for files. Defaults to "ndjson".

file_name_mapper

An optional function that maps a filename to the set of resource types that it contains. Currently not implemented.

Value

A DataSource object that can be used to run queries against the data.

See Also

Pathling documentation - Reading NDJSON

Other data source functions: pathling_read_bundles(), pathling_read_datasets(), pathling_read_delta(), pathling_read_parquet(), pathling_read_tables()

Examples

pc <- pathling_connect()
data_source <- pc %>% pathling_read_ndjson(pathling_examples('ndjson'))
data_source %>% ds_read('Patient') %>% sparklyr::sdf_nrow()
pathling_disconnect(pc)