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次のクエリでは、ネット上で見つかったものから変更しました。私は14ノードを作成するためにAPOCを使用していますが、私は12エッジ（2ノードの各ノードを2行に接続）になります。私。 14ノードを使用して、7つのアイテムの2つの列に入れた場合、それらを一緒に接続するために必要なのは6行だけです。Neo4J Cypherクエリで予想以上に多くのリンクが作成される
とにかく、このコードでは、APOCを使用してJSONファイルを読み込んでいますが、期待通りにノードを作成しています。しかし、私は79エッジを取得しています。私が理解していないサイファーまたはアンワインドのいずれかについての何かがなければならない。
JSONファイルでは、パイプ配列内に12個のオブジェクトしかないことがはっきりとわかります。
CALL apoc.load.json("file:///G:/wwwroot/DataFlow/graph.json") YIELD value AS row
WITH row, row.graph.nodes AS nodes
UNWIND nodes AS node
CALL apoc.create.node(node.labels, node.properties) YIELD node AS n
WITH row
UNWIND row.graph.pipes AS rel
MATCH (a) WHERE a.key = rel.start
MATCH (b) WHERE b.key = rel.end
CALL apoc.create.relationship(a, rel.type, rel.properties, b) YIELD rel AS r
RETURN *
{
"graph" : {
"nodes" : [{
"id" : "HW.SCIM",
"labels" : [
"Actor"
],
"properties" : {
"key" : "HW.SCIM",
"partition" : "Hardware",
"CSC" : "HW",
"name" : "SCIM",
"rate" : 10,
"caption" : "SCIM"
}
}, {
"id" : "HW.GPS",
"labels" : [
"Actor"
],
"properties" : {
"key" : "HW.GPS",
"partition" : "Hardware",
"CSC" : "HW",
"name" : "GPS",
"rate" : 50,
"caption" : "GPS"
}
}, {
"id" : "HW.SCIM-Channel",
"labels" : [
"Channel"
],
"properties" : {
"key" : "HW.SCIM-Channel",
"wordLength" : 300,
"channelType" : "Partition",
"timeStamp" : "",
"writer" : ""
}
}, {
"id" : "HW.GPS-Channel",
"labels" : [
"Channel"
],
"properties" : {
"key" : "HW.GPS-Channel",
"wordLength" : 200,
"channelType" : "Partition",
"timeStamp" : "",
"writer" : ""
}
}, {
"id" : "Platform.SCIM",
"labels" : [
"Actor"
],
"properties" : {
"key" : "Platform.SCIM",
"partition" : "Platform",
"CSC" : "Platform",
"name" : "SCIM",
"rate" : 10,
"caption" : "Platform SCIM"
}
}, {
"id" : "Platform.GPS",
"labels" : [
"Actor"
],
"properties" : {
"key" : "Platform.GPS",
"partition" : "Platform",
"CSC" : "Platform",
"name" : "GPS",
"rate" : 50,
"caption" : "Platform GPS"
}
}, {
"id" : "Platform.SCIM-Channel",
"labels" : [
"Channel"
],
"properties" : {
"key" : "Platform.SCIM-Channel",
"wordLength" : 300,
"channelType" : "Partition",
"timeStamp" : "",
"writer" : ""
}
}, {
"id" : "Platform.GPS-Channel",
"labels" : [
"Channel"
],
"properties" : {
"key" : "Platform.GPS-Channel",
"wordLength" : 200,
"channelType" : "Partition",
"timeStamp" : "",
"writer" : ""
}
}, {
"id" : "ALFSW.SCIM",
"labels" : [
"Actor"
],
"properties" : {
"key" : "ALFSW.SCIM",
"partition" : "Application",
"CSC" : "Application",
"name" : "SCIM",
"rate" : 10,
"caption" : "App SCIM"
}
}, {
"id" : "ALFSW.GPS",
"labels" : [
"Actor"
],
"properties" : {
"key" : "ALFSW.GPS",
"partition" : "Application",
"CSC" : "Application",
"name" : "GPS",
"rate" : 50,
"caption" : "App GPS"
}
}, {
"id" : "ALFSW.SCIM-Channel",
"labels" : [
"Channel"
],
"properties" : {
"key" : "ALFSW.SCIM-Channel",
"wordLength" : 300,
"channelType" : "Partition",
"timeStamp" : "",
"writer" : ""
}
}, {
"id" : "ALFSW.GPS-Channel",
"labels" : [
"Channel"
],
"properties" : {
"key" : "ALFSW.GPS-Channel",
"wordLength" : 200,
"channelType" : "Partition",
"timeStamp" : "",
"writer" : ""
}
}, {
"id" : "GNC.SCIM",
"labels" : [
"Actor"
],
"properties" : {
"key" : "GNC.SCIM",
"partition" : "GNC",
"CSC" : "MediumRate",
"name" : "SCIM",
"rate" : 10,
"caption" : "GNC Medium Rate"
}
}, {
"id" : "GNC.GPS",
"labels" : [
"Actor"
],
"properties" : {
"key" : "GNC.GPS",
"partition" : "GNC",
"CSC" : "HighRate",
"name" : "GPS",
"rate" : 50,
"caption" : "GNC High Rate"
}
}
],
"pipes" : [{
"type" : "Pipe",
"start" : "HW.SCIM",
"end" : "HW.SCIM-Channel",
"properties" : {
"flow" : "OUT"
}
}, {
"type" : "Pipe",
"start" : "HW.GPS",
"end" : "HW.GPS-Channel",
"properties" : {
"flow" : "OUT"
}
}, {
"type" : "Pipe",
"start" : "Platform.SCIM",
"end" : "HW.SCIM-Channel",
"properties" : {
"flow" : "IN"
}
}, {
"type" : "Pipe",
"start" : "Platform.GPS",
"end" : "HW.GPS-Channel",
"properties" : {
"flow" : "IN"
}
}, {
"type" : "Pipe",
"start" : "Platform.SCIM",
"end" : "Platform.SCIM-Channel",
"properties" : {
"flow" : "OUT"
}
}, {
"type" : "Pipe",
"start" : "Platform.GPS",
"end" : "Platform.GPS-Channel",
"properties" : {
"flow" : "OUT"
}
}, {
"type" : "Pipe",
"start" : "ALFSW.SCIM",
"end" : "Platform.SCIM-Channel",
"properties" : {
"flow" : "IN"
}
}, {
"type" : "Pipe",
"start" : "ALFSW.GPS",
"end" : "Platform.GPS-Channel",
"properties" : {
"flow" : "IN"
}
}, {
"type" : "Pipe",
"start" : "ALFSW.SCIM",
"end" : "ALFSW.SCIM-Channel",
"properties" : {
"flow" : "OUT"
}
}, {
"type" : "Pipe",
"start" : "ALFSW.GPS",
"end" : "ALFSW.GPS-Channel",
"properties" : {
"flow" : "OUT"
}
}, {
"type" : "Pipe",
"start" : "GNC.SCIM",
"end" : "ALFSW.SCIM-Channel",
"properties" : {
"flow" : "IN"
}
}, {
"type" : "Pipe",
"start" : "GNC.GPS",
"end" : "ALFSW.GPS-Channel",
"properties" : {
"flow" : "IN"
}
}
]
}
}
FYI：WITHの式のエイリアスを使用する必要があります（行4、列11（オフセット：190）） "WITH row、count（*）" –
私はこれを理解していると思いますが、あなたのコメントは私がそれらを聞くようにそれらを再作成することによって：。 1.実際にカウントしている数（*）を追加することで、別のことを行い、巻き戻しを終了します：http://stackoverflow.com/questions/30744331/end-unwind-statement-in-a-cypher-query –
2アクターと：パイプラベルの両方にラベルを追加することをお勧めします：アクター：ノードと：パイプ：ノードとこれは自動的にキープロパティのインデックスを追加するか、それでも追加する必要があります？ –