[
https://issues.apache.org/jira/browse/SOLR-3642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13417906#comment-13417906
]
Yandong Yao commented on SOLR-3642:
-----------------------------------
You are right, Relative code below:
SchemaField fsf = searcher.getSchema().getField(facetField);
FieldType facetFieldType = fsf.getType();
if (facetFieldType.isTokenized() || facetFieldType.isMultiValued()) {
throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,
"Stats can only facet on single-valued fields, not: " + facetField
+ "[" + facetFieldType + "]");
}
try {
facetTermsIndex =
FieldCache.DEFAULT.getTermsIndex(searcher.getAtomicReader(), facetField);
}
Sounds like the condition is not enough for multiValued field, should be:
if (fsf.multiValued() || facetFieldType.isTokenized() ||
facetFieldType.isMultiValued())
> Count is inconsistent between facet and stats
> ---------------------------------------------
>
> Key: SOLR-3642
> URL: https://issues.apache.org/jira/browse/SOLR-3642
> Project: Solr
> Issue Type: Bug
> Components: SearchComponents - other
> Affects Versions: 4.0-ALPHA
> Environment: 4.0 alpha on macos 10.6
> Reporter: Yandong Yao
>
> Steps to reproduce:
> 1) Download apache-solr-4.0.0-ALPHA
> 2) cd example; java -jar start.jar
> 3) cd exampledocs; ./post.sh *.xml
> 4) Use statsComponent to get the stats info for field 'popularity' based on
> facet 'cat'. And the 'count' for 'electronics' is 3
> http://localhost:8983/solr/collection1/select?q=cat:electronics&wt=json&rows=0&stats=true&stats.field=popularity&stats.facet=cat
> {
> stats_fields:
> {
> popularity:
> {
> min: 0,
> max: 10,
> count: 14,
> missing: 0,
> sum: 75,
> sumOfSquares: 503,
> mean: 5.357142857142857,
> stddev: 2.7902892835178013,
> facets:
> {
> cat:
> {
> music:
> {
> min: 10,
> max: 10,
> count: 1,
> missing: 0,
> sum: 10,
> sumOfSquares: 100,
> mean: 10,
> stddev: 0
> },
> monitor:
> {
> min: 6,
> max: 6,
> count: 2,
> missing: 0,
> sum: 12,
> sumOfSquares: 72,
> mean: 6,
> stddev: 0
> },
> hard drive:
> {
> min: 6,
> max: 6,
> count: 2,
> missing: 0,
> sum: 12,
> sumOfSquares: 72,
> mean: 6,
> stddev: 0
> },
> scanner:
> {
> min: 6,
> max: 6,
> count: 1,
> missing: 0,
> sum: 6,
> sumOfSquares: 36,
> mean: 6,
> stddev: 0
> },
> memory:
> {
> min: 0,
> max: 7,
> count: 3,
> missing: 0,
> sum: 12,
> sumOfSquares: 74,
> mean: 4,
> stddev: 3.605551275463989
> },
> graphics card:
> {
> min: 7,
> max: 7,
> count: 2,
> missing: 0,
> sum: 14,
> sumOfSquares: 98,
> mean: 7,
> stddev: 0
> },
> electronics:
> {
> min: 1,
> max: 7,
> count: 3,
> missing: 0,
> sum: 9,
> sumOfSquares: 51,
> mean: 3,
> stddev: 3.4641016151377544
> }
> }
> }
> }
> }
> }
> 5) Facet on 'cat' and the count is 14.
> http://localhost:8983/solr/collection1/select?q=cat:electronics&wt=json&rows=0&facet=true&facet.field=cat
> {
> cat:
> [
> "electronics",
> 14,
> "memory",
> 3,
> "connector",
> 2,
> "graphics card",
> 2,
> "hard drive",
> 2,
> "monitor",
> 2,
> "camera",
> 1,
> "copier",
> 1,
> "multifunction printer",
> 1,
> "music",
> 1,
> "printer",
> 1,
> "scanner",
> 1,
> "currency",
> 0,
> "search",
> 0,
> "software",
> 0
> ]
> },
> So from StatsComponent the count for 'electronics' cat is 3, while
> FacetComponent report 14 'electronics'. Is this a bug?
> Following is the field definition for 'cat'.
> <field name="cat" type="string" indexed="true" stored="true"
> multiValued="true"/>
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