// Landvex IOL — ladda grafen i Neo4j
// Kör: cat db/load_graph.cypher | cypher-shell -u neo4j -p landvex2024

CREATE CONSTRAINT lvx_id_unique IF NOT EXISTS
FOR (n:Objekt) REQUIRE n.lvx_id IS UNIQUE;

:auto LOAD CSV WITH HEADERS FROM 'file:///noder.csv' AS row
CALL {
  WITH row
  CREATE (o:Objekt {
    lvx_id: row.lvx_id,
    posttyp: row.posttyp,
    namn_sv: row.namn_sv,
    namn_en: row.namn_en,
    doman: row.doman,
    tier: toInteger(row.tier),
    verifieringsniva: row.verifieringsniva,
    konfidens: toFloat(row.konfidens)
  })
} IN TRANSACTIONS OF 1000 ROWS;

:auto LOAD CSV WITH HEADERS FROM 'file:///kanter.csv' AS row
CALL {
  WITH row
  MATCH (a:Objekt {lvx_id: row.subjekt})
  MATCH (b:Objekt {lvx_id: row.objekt})
  CREATE (a)-[r:RELATION {
    predikat: row.predikat,
    niva: row.niva,
    beskrivning: row.beskrivning
  }]->(b)
} IN TRANSACTIONS OF 1000 ROWS;

// Index för snabb sökning
CREATE TEXT INDEX objekt_namn IF NOT EXISTS
FOR (o:Objekt) ON (o.namn_sv, o.namn_en);