[jira] [Updated] (SOLR-4481) SwitchQParserPlugin

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

     [ https://issues.apache.org/jira/browse/SOLR-4481?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hoss Man updated SOLR-4481:
---------------------------

    Attachment: SOLR-4481.patch

Patch for review (includes docs & tests).

some example usages straight from javadocs...

{noformat}
 In the examples below, the result of each query would be XXX....

 q = {!switch s.foo=XXX s.bar=zzz s.yak=qqq}foo
 q = {!switch s.foo=qqq s.bar=XXX s.yak=zzz} bar     // extra whitespace
 q = {!switch defSwitch=XXX s.foo=qqq s.bar=zzz}asdf // fallback on defSwitch
 q = {!switch s=XXX s.bar=zzz s.yak=qqq}             // blank input
{noformat}

{panel}
 A practical usage of this QParsePlugin, is in specifying "appends" fq params in the configuration of a SearchHandler, to provide a fixed set of filter options for clients using custom parameter names. Using the example configuration below, clients can optionally specify the custom parameters in_stock and shipping to override the default filtering behavior, but are limited to the specific set of legal values (shipping=any|free, in_stock=yes|no|all).

{code}
 <requestHandler name="/select" class="solr.SearchHandler">
   <lst name="defaults">
     <str name="in_stock">yes</str>
     <str name="shipping">any</str>
   </lst>
   <lst name="appends">
     <str name="fq">{!switch s.all='*:*'
                             s.yes='inStock:true'
                             s.no='inStock:false'
                             v=$in_stock}</str>
     <str name="fq">{!switch s.any='*:*'
                             s.free='shipping_cost:0.0'
                             v=$shipping}</str>
   </lst>
 </requestHandler>
{code}
{panel}
                
> SwitchQParserPlugin
> -------------------
>
>                 Key: SOLR-4481
>                 URL: https://issues.apache.org/jira/browse/SOLR-4481
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Hoss Man
>            Assignee: Hoss Man
>         Attachments: SOLR-4481.patch
>
>
> Inspired by a conversation i had with someone on IRC a while back about using "append" fq params + local params to create custom request params, it occurred to me that it would be handy to have a "switch" qparser that could be configured with some set of fixed "switch case" localparams that it would delegate too based on it's input string.

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