revert r5703 and fix SQL to return empty JSON array instead of NULL... this only applies to application/json and not x-json-stream
revert r5703 and fix SQL to return empty JSON array instead of NULL... this only applies to application/json and not x-json-stream
informatics-isi-edu/ermrest,ini-bdds/ermrest,ini-bdds/ermrest,informatics-isi-edu/ermrest