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https://issues.apache.org/jira/browse/SOLR-1729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12834721#action_12834721
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Thomas Hammerl edited comment on SOLR-1729 at 2/17/10 10:25 AM:
----------------------------------------------------------------

As in SOLR-1709 I'm not able to apply this patch to solr-1.4.0 without getting 
a compile error:

{noformat}
[javac] 
/home/systemone/Desktop/solr-1.4.0/src/java/org/apache/solr/request/SimpleFacets.java:257:
getCounts(org.apache.solr.search.SolrIndexSearcher,org.apache.solr.search.DocSet,int,int,java.lang.Integer,boolean,java.lang.String,java.lang.String)
in org.apache.solr.request.UnInvertedField cannot be applied to
(org.apache.solr.search.SolrIndexSearcher,org.apache.solr.search.DocSet,int,int,java.lang.Integer,boolean,java.lang.String,java.lang.String,java.lang.String)
[javac]         counts = uif.getCounts(searcher, base, offset, limit, 
mincount,missing,sort,prefix, facetSortOrder);
{noformat}

Is it possible that you have forgotten to include your changes to 
org.apache.solr.request.UnInvertedField? The method getCounts is missing the 
facetSortOder parameter you are trying to pass in SimpleFacets.java.

I would be happy to attach a working patch-file to this issue.

      was (Author: thomas.hammerl):
    As in SOLR-1709 I'm not able to apply this patch to solr-1.4.0 without 
getting a compile error:

{noformat}
[javac] 
/home/systemone/Desktop/solr-1.4.0/src/java/org/apache/solr/request/SimpleFacets.java:257:
 
getCounts(org.apache.solr.search.SolrIndexSearcher,org.apache.solr.search.DocSet,int,int,java.lang.Integer,boolean,java.lang.String,java.lang.String)
 in org.apache.solr.request.UnInvertedField cannot be applied to 
(org.apache.solr.search.SolrIndexSearcher,org.apache.solr.search.DocSet,int,int,java.lang.Integer,boolean,java.lang.String,java.lang.String,java.lang.String)
    [javac]         counts = uif.getCounts(searcher, base, offset, limit, 
mincount,missing,sort,prefix, facetSortOrder);
{noformat}

Is it possible that you have forgotten to include your changes to 
org.apache.solr.request.UnInvertedField? The method getCounts is missing the 
facetSortOder parameter you are trying to pass in SimpleFacets.java.

I would be happy to attach a working patch-file to this issue.
  
> Date Facet now override time parameter
> --------------------------------------
>
>                 Key: SOLR-1729
>                 URL: https://issues.apache.org/jira/browse/SOLR-1729
>             Project: Solr
>          Issue Type: Improvement
>          Components: search
>    Affects Versions: 1.4
>         Environment: Solr 1.4
>            Reporter: Peter Sturge
>            Priority: Minor
>         Attachments: FacetParams.java, SimpleFacets.java
>
>
> This PATCH introduces a new query parameter that tells a (typically, but not 
> necessarily) remote server what time to use as 'NOW' when calculating date 
> facets for a query (and, for the moment, date facets *only*) - overriding the 
> default behaviour of using the local server's current time.
> This gets 'round a problem whereby an explicit time range is specified in a 
> query (e.g. timestamp:[then0 TO then1]), and date facets are required for the 
> given time range (in fact, any explicit time range). 
> Because DateMathParser performs all its calculations from 'NOW', remote 
> callers have to work out how long ago 'then0' and 'then1' are from 'now', and 
> use the relative-to-now values in the facet.date.xxx parameters. If a remote 
> server has a different opinion of NOW compared to the caller, the results 
> will be skewed (e.g. they are in a different time-zone, not time-synced etc.).
> This becomes particularly salient when performing distributed date faceting 
> (see SOLR-1709), where multiple shards may all be running with different 
> times, and the faceting needs to be aligned.
> The new parameter is called 'facet.date.now', and takes as a parameter a 
> (stringified) long that is the number of milliseconds from the epoch (1 Jan 
> 1970 00:00) - i.e. the returned value from a System.currentTimeMillis() call. 
> This was chosen over a formatted date to delineate it from a 'searchable' 
> time and to avoid superfluous date parsing. This makes the value generally a 
> programatically-set value, but as that is where the use-case is for this type 
> of parameter, this should be ok.
> NOTE: This parameter affects date facet timing only. If there are other areas 
> of a query that rely on 'NOW', these will not interpret this value. This is a 
> broader issue about setting a 'query-global' NOW that all parts of query 
> analysis can share.
> Source files affected:
> FacetParams.java   (holds the new constant FACET_DATE_NOW)
> SimpleFacets.java  getFacetDateCounts() NOW parameter modified
> This PATCH is mildly related to SOLR-1709 (Distributed Date Faceting), but as 
> it's a general change for date faceting, it was deemed deserving of its own 
> patch. I will be updating SOLR-1709 in due course to include the use of this 
> new parameter, after some rfc acceptance.
> A possible enhancement to this is to detect facet.date fields, look for and 
> match these fields in queries (if they exist), and potentially determine 
> automatically the required time skew, if any. There are a whole host of 
> reasons why this could be problematic to implement, so an explicit 
> facet.date.now parameter is the safest route.

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