andycamp
kbastani
/ CalendarDay.cql
Last active
July 14, 2020 20:36
This gist is a Neo4j Cypher query for merging a calendar graph for a specific year. This query has 4 levels of indexes, consisting of year, month, day, hour.
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| // Enter the day you would like to create | |
| WITH { day: 18, month: 1, year: 2014 } as dayMap | |
| // Merge hours in a day | |
| MERGE (thisDay:Day { day: dayMap.day, month: dayMap.month, year: dayMap.year }) | |
| MERGE (firstHour:Hour { day: dayMap.day, month: dayMap.month, year: dayMap.year, hour: 1 }) | |
| CREATE (thisDay)-[:FIRST]->(firstHour) | |
| FOREACH (i IN tail(range(1, 24)) | | |
| MERGE (thishour:Hour { day: dayMap.day, month: dayMap.month, year: dayMap.year, hour: i }) | |
| MERGE (lasthour:Hour { day: dayMap.day, month: dayMap.month, year: dayMap.year, hour: i - 1 }) |