[jira] [Commented] (SOLR-9309) SolrCloud RTG with multiple "id" params has inconsistent behavior if only 0 or 1 ids are returned

["Hoss Man (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-9309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15378723#comment-15378723 ] 

Hoss Man commented on SOLR-9309:
--------------------------------

Example of problem...

{{bin/solr -e cloud -noprompt}}

If you have 2 docs that exist in a cloud setup, you get a "doclist" structure in the response, regardless of which param syntax you use to request both of them (this is consistent with single node solr) ...

{noformat}
$ curl 'http://localhost:8983/solr/gettingstarted/get?ids=xxx,yyy'
{
  "response":{"numFound":2,"start":0,"docs":[
      {
        "id":"yyy",
        "aaa_i":-459637688,
        "_version_":1539876677329354752},
      {
        "id":"xxx",
        "aaa_i":1532757419,
        "_version_":1539876677341937664}]
  }}
$ curl 'http://localhost:8983/solr/gettingstarted/get?id=xxx&id=yyy'
{
  "response":{"numFound":2,"start":0,"docs":[
      {
        "id":"yyy",
        "aaa_i":-459637688,
        "_version_":1539876677329354752},
      {
        "id":"xxx",
        "aaa_i":1532757419,
        "_version_":1539876677341937664}]
  }}
{noformat}

if 1 of the ids requested do not exist in the collection, SolrCloud's RTG response structure becomes inconsistent depending on which param syntax you used -- using multiple {{id}} params behaves as if only one doc was requested...

{noformat}
$ curl 'http://localhost:8983/solr/gettingstarted/get?ids=xxx,bogus1'
{
  "response":{"numFound":1,"start":0,"docs":[
      {
        "id":"xxx",
        "aaa_i":1532757419,
        "_version_":1539876677341937664}]
  }}
$ curl 'http://localhost:8983/solr/gettingstarted/get?ids=bogus2,bogus1'
{
  "response":{"numFound":0,"start":0,"docs":[]
  }}
$ curl 'http://localhost:8983/solr/gettingstarted/get?id=xxx&id=bogus1'
{
  "doc":
  {
    "id":"xxx",
    "aaa_i":1532757419,
    "_version_":1539876677341937664}}
$ curl 'http://localhost:8983/solr/gettingstarted/get?id=bogus2&id=bogus1'
{
  "doc":null}
{noformat}

> SolrCloud RTG with multiple "id" params has inconsistent behavior if only 0 or 1 ids are returned
> -------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-9309
>                 URL: https://issues.apache.org/jira/browse/SOLR-9309
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Hoss Man
>
> * RTG uses a diff reqponse format depending on whether a single id is requested or multiple ids are requested.
> * there are 2 ways to request multiple ids:
> *# multiple {{id}} params
> *# comma seperated ids in one (or more) {{ids}} param(s)
> But in cloud mode, asking for multiple ids using the first method can incorrectly return the "single" doc response structure if 0 or 1 docs are returned (ie: because the other doc(s) don't exist in the index or were deleted).
> This inconsistency does not seem to exist in single node solr RTG
> (Example to follow in comment)



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