Yandong Yao created SOLR-3642:
---------------------------------
Summary: 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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