CSV/TSV output for ResultSet

namedgraph opened this issue 8 years ago · 1 comments

namedgraph commented 8 years ago

SPARQL 1.1 Protocol specifies CSV/TSV output formats for SELECT results:
https://www.w3.org/TR/2013/REC-sparql11-results-csv-tsv-20130321/

However, ResultSetProvider currently only supports XML and JSON:
https://github.com/AtomGraph/Core/blob/master/src/main/java/com/atomgraph/core/io/ResultSetProvider.java#L72

namedgraph commented 8 years ago

Jena can write the output, so it seems like a low-hanging fruit/fix:
https://jena.apache.org/documentation/javadoc/arq/org/apache/jena/query/ResultSetFormatter.html#outputAsCSV-java.io.OutputStream-boolean-
https://jena.apache.org/documentation/javadoc/arq/org/apache/jena/query/ResultSetFormatter.html#outputAsTSV-java.io.OutputStream-boolean-