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https://issues.apache.org/jira/browse/SOLR-8540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Shawn Heisey closed SOLR-8540.
------------------------------
Resolution: Duplicate
SOLR-8496 is the same problem, and was opened first. Closing this issue as a
duplicate.
> Multi select facets give incorrect results
> ------------------------------------------
>
> Key: SOLR-8540
> URL: https://issues.apache.org/jira/browse/SOLR-8540
> Project: Solr
> Issue Type: Bug
> Affects Versions: 5.3, 5.3.1
> Reporter: Vasiliy Bout
>
> We have a single core and use faceting to search documents. When we started
> to use multi select faceting we noticed, that results do not match with the
> real data in the core.
> For example, we make this simple query:
> {noformat}
> q=*:*
> rows=0
> facet=true
> facet.limit=5
> facet.field=file_type
> {noformat}
> Corresponding URL is
> {{http://localhost:8983/.../select?q=*%3A*&rows=0&wt=json&indent=true&facet=true&facet.limit=5&facet.field=file_type}}
> We get the following results:
> {noformat}
> {
> "responseHeader": {
> "status": 0,
> "QTime": 42
> },
> "response": {
> "numFound": 1240067,
> "start": 0,
> "docs": []
> },
> "facet_counts": {
> "facet_queries": {},
> "facet_fields": {
> "file_type": [
> "5",
> 1073053,
> "3",
> 51078,
> "7",
> 41956,
> "10",
> 16121,
> "12",
> 12585
> ]
> },
> "facet_dates": {},
> "facet_ranges": {},
> "facet_intervals": {},
> "facet_heatmaps": {}
> }
> }
> {noformat}
> When we add a filter by {{file_type}}:
> {noformat}
> q=*:*
> fq=file_type:3
> rows=0
> facet=true
> facet.limit=5
> facet.field=file_type
> {noformat}
> Corresponding URL is
> {{http://localhost:8983/.../select?q=*%3A*&fq=file_type%3A3&rows=0&wt=json&indent=true&facet=true&facet.limit=5&facet.field=file_type}}
> then we get nonzero count only for the filtered value:
> {noformat}
> {
> "responseHeader": {
> "status": 0,
> "QTime": 5
> },
> "response": {
> "numFound": 51078,
> "start": 0,
> "docs": []
> },
> "facet_counts": {
> "facet_queries": {},
> "facet_fields": {
> "file_type": [
> "3",
> 51078,
> "1",
> 0,
> "4",
> 0,
> "5",
> 0,
> "7",
> 0
> ]
> },
> "facet_dates": {},
> "facet_ranges": {},
> "facet_intervals": {},
> "facet_heatmaps": {}
> }
> }
> {noformat}
> But we want to have multi select faceting by file_type, so we exclude the
> filter from faceting:
> {noformat}
> q=*:*
> fq={!tag=ft}file_type:3
> rows=0
> facet=true
> facet.limit=5
> facet.field={!ex=ft}file_type
> {noformat}
> Corresponding URL is
> {{http://localhost:8983/.../select?q=*%3A*&fq=%7B!tag%3Dft%7Dfile_type%3A3&rows=0&wt=json&indent=true&facet=true&facet.limit=5&facet.field={!ex=ft}file_type}}
> But results contain incorrect values for all available file_type values. All
> counts are greater than they were before we added the filter:
> {noformat}
> {
> "responseHeader": {
> "status": 0,
> "QTime": 38
> },
> "response": {
> "numFound": 51078,
> "start": 0,
> "docs": []
> },
> "facet_counts": {
> "facet_queries": {},
> "facet_fields": {
> "file_type": [
> "5",
> 1073146,
> "3",
> 66705,
> "7",
> 42202,
> "10",
> 16903,
> "12",
> 12710
> ]
> },
> "facet_dates": {},
> "facet_ranges": {},
> "facet_intervals": {},
> "facet_heatmaps": {}
> }
> }{noformat}
> We expect multi select facet counts to be exactly the same as without
> filters. Before we added the filter by {{file_type}} we saw that there are
> only 51078 documents with {{file_type=3}}. But when we add the filter and
> exclude it from the faceting, Solr tells us about 66705 documents with
> {{file_type=3}} while the {{numFound}} is still 51078.
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