pathling_read_ndjson: Create a data source from NDJSON

In pathling: A Library for using '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_bulk(), pathling_read_bundles(), pathling_read_datasets(), pathling_read_delta(), pathling_read_parquet(), pathling_read_tables()

Examples

## Not run: 
data_source <- pc %>% pathling_read_ndjson(pathling_examples('ndjson'))
data_source %>% ds_read('Patient') %>% sparklyr::sdf_nrow()

## End(Not run)

pathling documentation built on Sept. 15, 2025, 5:08 p.m.