*For a faceted search I first do a MATCH on multiple conditions, and then
count the remaining facet values. *
match
(n:Document)-[:PUBLISHED_ON]->(d:Day)<-[:HAS_DAY]-(m:Month)<-[:HAS_MONTH]-(y:Year
{year:2013}),
(n)<-[:MENTIONED_IN|HAS_CHILD*1..]-(l:Location {name:'Netherlands'} )
with n
//location facet
MATCH (n)<-[:MENTIONED_IN|HAS_CHILD*1..]-(l:Location)
RETURN 'Location' as facet,l.name as facetvalue ,count(n) as facetcount
order by facetcount
UNION
//month facet
MATCH
(n)-[:PUBLISHED_ON]->(d:Day)<-[:HAS_DAY]-(m:Month)<-[:HAS_MONTH]-(y:Year)
RETURN 'Period' as facet,m.month as facetvalue, count(n) as facetcount
order by facetcount;
+-------------------------------------------+
| facet | facetvalue | facetcount |
+-------------------------------------------+
| "Location" | "Noord-Brabant" | 3 |
| "Location" | "Gelderland" | 4 |
| "Location" | "Groningen" | 4 |
| "Location" | "Zuid-Holland" | 4 |
| "Location" | "Overijssel" | 5 |
| "Location" | "Flevoland" | 5 |
| "Location" | "Friesland" | 6 |
| "Location" | "Utrecht" | 8 |
| "Location" | "Limburg" | 8 |
| "Location" | "Drenthe" | 10 |
| "Location" | "Noord-Holland" | 10 |
| "Location" | "Zeeland" | 12 |
| "Location" | "Netherlands" | 90 |
| "Period" | 6 | 142 |
| "Period" | 12 | 155 |
| "Period" | 3 | 156 |
| "Period" | 4 | 162 |
| "Period" | 11 | 164 |
| "Period" | 7 | 164 |
| "Period" | 1 | 167 |
| "Period" | 2 | 171 |
| "Period" | 8 | 172 |
| "Period" | 5 | 175 |
| "Period" | 10 | 177 |
| "Period" | 9 | 195 |
+-------------------------------------------+
*when I switch the two elements of the UNION, so first the month facet and
then the location facet, I get different counts ( I don't meant that the
results are in another order, b/c that's obvious) , but it seems that the
WITH is only applied to the first element of UNION*
neo4j-sh (?)$ match
(n:Document)-[:PUBLISHED_ON]->(d:Day)<-[:HAS_DAY]-(m:Month)<-[:HAS_MONTH]-(y:Year
{year:2013}),
> (n)<-[:MENTIONED_IN|HAS_CHILD*1..]-(l:Location {name:'Netherlands'}
)
> with n
> //month facet
> MATCH
(n)-[:PUBLISHED_ON]->(d:Day)<-[:HAS_DAY]-(m:Month)<-[:HAS_MONTH]-(y:Year)
> RETURN 'Period' as facet,m.month as facetvalue, count(n) as facetcount
order by facetcount
> UNION
> //location facet
> MATCH (n)<-[:MENTIONED_IN|HAS_CHILD*1..]-(l:Location)
> RETURN 'Location' as facet,l.name as facetvalue ,count(n) as facetcount
order by facetcount;
+-------------------------------------------+
| facet | facetvalue | facetcount |
+-------------------------------------------+
| "Period" | 7 | 4 |
| "Period" | 12 | 6 |
| "Period" | 11 | 6 |
| "Period" | 6 | 7 |
| "Period" | 8 | 7 |
| "Period" | 2 | 7 |
| "Period" | 4 | 7 |
| "Period" | 3 | 8 |
| "Period" | 10 | 8 |
| "Period" | 9 | 9 |
| "Period" | 5 | 10 |
| "Period" | 1 | 11 |
| "Location" | "Noord-Brabant" | 135 |
| "Location" | "Limburg" | 140 |
| "Location" | "Overijssel" | 142 |
| "Location" | "Friesland" | 144 |
| "Location" | "Utrecht" | 147 |
| "Location" | "Groningen" | 147 |
| "Location" | "Flevoland" | 154 |
| "Location" | "Noord-Holland" | 160 |
| "Location" | "Drenthe" | 161 |
| "Location" | "Zuid-Holland" | 161 |
| "Location" | "Gelderland" | 165 |
| "Location" | "Zeeland" | 171 |
| "Location" | "Netherlands" | 2012 |
+-------------------------------------------+
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