No, passing `fields` as a string value does not work. I think it's expecting an array, as best I can tell:
https://gitbox.apache.org/repos/asf?p=solr.git;a=blob;f=solr/core/src/java/org/apache/solr/request/json/RequestUtil.java;h=87ba244290d81ee865af9bb464b442f6da787ae8;hb=HEAD#l209 -Andrew > On 7 Jan 2022, at 12:55, Mikhail Khludnev <m...@apache.org> wrote: > > Hello, Andrew. > > Could you try to pass a string value for "fields" property? That's what I > see in TestJsonRequest. > > On Fri, Jan 7, 2022 at 1:03 PM Andrew Hankinson > <andrew.hankinson@rism.digital> wrote: > >> Hello, >> >> I am using the JSON Query API, and the 'fields' key does not work as >> expected. >> >> Using the following query with the `post` tool: >> >> $> echo '{"query":"*:*", "fields": ["id"]}' | ./post -url >> http://localhost:8983/solr/mycore/select -type application/json -out yes >> -d >> >> I get the full document back, not just the ID field. If, however, I use: >> >> $> echo '{"query":"*:*", "params": {"fl": ["id"]}}' | ./post -url >> http://localhost:8983/solr/mycore/select -type application/json -out yes >> -d >> >> Then the query works as expected. >> >> Can anyone confirm this is an issue? >> >> If it cannot be reproduced, I can dig deeper into my setup. I am using >> some default `appends` for `fl` in the request handler for some custom >> field processing for JSON fields, so it may be an issue with merging the >> `fields` and the `fl` arrays? Not sure. >> >> Thanks, >> -Andrew > > > > -- > Sincerely yours > Mikhail Khludnev
