116 lines
2.7 KiB
Markdown
116 lines
2.7 KiB
Markdown
docker build -t mon-app .
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http://localhost:3000
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```cypher
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LOAD CSV FROM 'file:///artists.csv' AS row
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MERGE (a:Artist { name: row[1], year: toInteger(row[2]) })
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RETURN a.name, a.year
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```
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```cypher
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LOAD CSV WITH HEADERS
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FROM 'file:///individus.csv' AS row
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FIELDTERMINATOR ';'
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MERGE (i:Individu { id: toInteger(row['id']) })
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SET i.prenom = row['prenom'],
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i.age = toInteger(row['age']),
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i.sexe = row['sexe'],
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i.etudes = toInteger(row['etudes']),
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i.richesse = toInteger(row['richesse']),
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i.lecture = toFloat(row['lecture']),
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i.musique = toFloat(row['musique']),
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i.sport = toFloat(row['sport']);
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```
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```cypher
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MATCH (i:Individu) RETURN i LIMIT 25;
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```
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```cypher
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MATCH (i:Individu {id: 58 })
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RETURN i;
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```
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```cypher
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LOAD CSV WITH HEADERS
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FROM 'file:///edges.csv' AS row
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FIELDTERMINATOR ';'
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MATCH (a:Individu {id: toInteger(row.source)})
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MATCH (b:Individu {id: toInteger(row.target)})
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MERGE (a)-[r:AMI]->(b)
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MERGE (b)-[r2:AMI]->(a);
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```
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```cypher
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MATCH (i:Individu)
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DETACH DELETE i;
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```
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MATCH path = (a:Individu {id:24})-[:AMI*1..3]->(b:Individu)
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RETURN path;
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MATCH (a:Individu {id: 22}), (b:Individu {id: 100}),
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path = shortestPath((a)-[:AMI*..15]-(b))
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RETURN path;
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MATCH (a:Point {nom:'Boulangerie'}), (b:Point {nom:'Salle des fêtes'})
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RETURN point.distance(a.location, b.location)
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LOAD CSV WITH HEADERS FROM 'file:///routes.csv' AS row
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WITH row
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MATCH (a:Lieu {id: toInteger(row.source)})
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WITH a, row
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MATCH (b:Lieu {id: toInteger(row.target)})
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MERGE (a)-[r:ROUTE {route_id: toInteger(row.route_id)}]->(b)
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SET r.tag = row.tag, r.cout = toFloat(row.cout);
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-- routes inverses si cout_inverse != -1
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LOAD CSV WITH HEADERS FROM 'file:///routes.csv' AS row
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WITH row
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WHERE toFloat(row.cout_inverse) <> -1
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MATCH (a:Lieu {id: toInteger(row.source)})
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WITH a, row
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MATCH (b:Lieu {id: toInteger(row.target)})
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MERGE (b)-[r:ROUTE {route_id: toInteger(row.route_id) * 1000}]->(a)
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SET r.tag = row.tag, r.cout = toFloat(row.cout_inverse);
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### Réseau routier
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```cypher
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LOAD CSV WITH HEADERS
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FROM 'file:///points.csv' AS row
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MERGE (p:Point { id: toInteger(row.id) })
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SET p.nom = row.nom,
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p.altitude = toInteger(row.altitude),
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p.location = point({
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longitude: toFloat(row.longitude),
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latitude: toFloat(row.latitude)
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});
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```
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### Réseau d'amis
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```cypher
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LOAD CSV WITH HEADERS
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FROM 'file:///individus.csv' AS row
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MERGE (i:Individu { id: toInteger(row.id) })
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SET i.prenom = row.prenom,
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i.age = toInteger(row.age),
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i.sexe = row.sexe,
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i.etudes = toInteger(row.etudes),
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i.richesse = toInteger(row.richesse),
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i.lecture = toFloat(row.lecture),
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i.musique = toFloat(row.musique),
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i.sport = toFloat(row.sport);
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```
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```cypher
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CREATE CONSTRAINT individu_id IF NOT EXISTS
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FOR (i:Individu)
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REQUIRE i.id IS UNIQUE;
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```
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