{"id":7577,"date":"2015-03-04T12:00:06","date_gmt":"2015-03-04T03:00:06","guid":{"rendered":"http:\/\/www.creationline.com\/?p=7577"},"modified":"2015-10-27T17:45:57","modified_gmt":"2015-10-27T08:45:57","slug":"cypher-query-languageql-%e6%a7%8b%e6%88%90%e8%a6%81%e7%b4%a0%e7%b7%a8-neo4j","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/data-management\/neo4j\/7577","title":{"rendered":"Cypher Query Language(QL)-\u69cb\u6210\u8981\u7d20\u7de8 #neo4j"},"content":{"rendered":"<p>Cypher QL\uff08Cypher\uff1a\u30b5\u30a4\u30d5\u30a1\u30fc\u3068\u8aad\u3080\uff09\u306f\u3001Neo4j\u3067\u30b0\u30e9\u30d5\u69cb\u9020\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u884c\u3046\u305f\u3081\u306b\u958b\u767a\u3057\u305f\u5ba3\u8a00\u578b\u306e\u30b0\u30e9\u30d5\u30af\u30a8\u30ea\u8a00\u8a9e\u3067\u3059\u3002\u7c21\u5358\u306b\u8a00\u3046\u3068\u3001\u3042\u3089\u304b\u3058\u3081\u6c7a\u307e\u3063\u305f\u6a5f\u80fd\u3092\u9042\u884c\u3059\u308b\u6587\u3084\u3072\u306a\u5f62\u306e\u3088\u3046\u306a\u69cb\u6587\u306e\u66f8\u5f0f\u304c\u5b58\u5728\u3057\u3001\u305d\u308c\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u30af\u30a8\u30ea\u3092\u4f5c\u6210\u3057\u3001\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u4eca\u56de\u306f\u3001Cypher QL\u306e\u5168\u4f53\u7684\u306a\u69cb\u6210\u8981\u7d20\u3092\u7db2\u7f85\u7684\u306b\u7d39\u4ecb\u3057\u307e\u3059\u3002\u975e\u5e38\u306b\u6570\u304c\u591a\u3044\u306e\u3067\u3001\u3059\u3079\u3066\u3092\u8aac\u660e\u306f\u3057\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u3069\u306e\u3088\u3046\u306a\u69cb\u6210\u8981\u7d20\u304c\u3042\u308b\u306e\u304b\u3050\u3089\u3044\u306f\u3001\u898b\u3066\u304a\u3044\u305f\u307b\u3046\u304c\u3044\u3044\u3067\u3059\u3002\u7279\u306b\u3001\u30d1\u30bf\u30fc\u30f3\u3001\u5236\u7d04(UNIQUE INDEX)\u3001INDEX\u3001\u5b9f\u884c\u8a08\u753b\u3001\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u306a\u3069\u306b\u306f\u305c\u3072\u76ee\u3092\u901a\u3057\u3066\u9802\u304d\u305f\u3044\u3067\u3059\u3002\u95a2\u4fc2\u578b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7d4c\u9a13\u8005\u306a\u3089\u3001\u540d\u79f0\u3060\u3051\u3067\u6a5f\u80fd\u304c\u30a4\u30e1\u30fc\u30b8\u3067\u304d\u308b\u3082\u306e\u3082\u3042\u308c\u3070\u3001\u307e\u3063\u305f\u304f\u65b0\u3057\u3044\u6982\u5ff5\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4e0b\u8a18\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<blockquote><p>http:\/\/neo4j.com\/docs\/milestone\/cypher-query-lang.html <\/p><\/blockquote>\n<p><strong>\u95a2\u9023\u8a18\u4e8b-CL-Lab<\/strong><br \/>\n<a href=\"\/lab\/7168\">Neo4j-\u30b0\u30e9\u30d5\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u306f<\/a><br \/>\n<a href=\"\/lab\/7577\">Cypher Query Language(QL)-\u69cb\u6210\u8981\u7d20\u7de8<\/a><br \/>\n<a href=\"\/lab\/7685\">Cypher Query Language(QL)-\u521d\u7d1a\u7de8 <\/a><br \/>\n<a href=\"\/lab\/8552\">Neo4j-\u5927\u91cf\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f<\/a><\/p>\n<p><strong>\u95a2\u9023\u8a18\u4e8b-Qiita<\/strong><br \/>\n<a href=\"http:\/\/qiita.com\/awk256\/items\/5622d601c2c3051b70ad\">Windows\u3067Neo4j\u3092\u4f7f\u3063\u3066\u307f\u308b<\/a><br \/>\n<a href=\"http:\/\/qiita.com\/awk256\/items\/a4c7457aad103a07e5d6\">Mac\u3067Neo4j\u3092\u4f7f\u3063\u3066\u307f\u308b<\/a><br \/>\n<a href=\"http:\/\/qiita.com\/awk256\/items\/6dc94573662a864b8547\">SoftLayer\u3067Neo4j\u3092\u4f7f\u3063\u3066\u307f\u308b<\/a><br \/>\n<a href=\"http:\/\/qiita.com\/awk256\/items\/74b11531db9dc71bd6e2\">AWS\u3067Neo4j\u3092\u4f7f\u3063\u3066\u307f\u308b<\/a><br \/>\n<a href=\"http:\/\/qiita.com\/awk256\/items\/4448899663a6aa82e88d\">Neo4j\u30a6\u30a7\u30d6\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u3044\u5012\u3059<\/a><\/p>\n<h2>Cypher QL\u306e\u69cb\u6210\u8981\u7d20<\/h2>\n<h3>\u30b7\u30f3\u30bf\u30c3\u30af\u30b9<\/h3>\n<hr>\n<p>\u4ee5\u4e0b\u306f\u3001Cypher\u3000QL\u306e\u6838\u306b\u5024\u3059\u308b\u8981\u7d20\u3067\u3059\u3002<br \/>\n<strong> \u30d0\u30ea\u30e5\u30fc(VALUE) <\/strong><\/p>\n<ul>\n<li>\u6570\u5b57<\/li>\n<li>\u6587\u5b57<\/li>\n<\/li>\n<li>\u30d6\u30fc\u30eb\u578b\n<li>\u30ce\u30fc\u30c9<\/li>\n<li>\u95a2\u4fc2\u6027<\/li>\n<li>\u30d1\u30b9\uff1a\u30ce\u30fc\u30c9\u3068\u30ce\u30fc\u30c9\u3092\u7d50\u3076\u95a2\u4fc2\u6027\u306e\u7d4c\u8def\u3001\u30ce\u30fc\u30c9\u3068\u95a2\u4fc2\u6027\u306e\u4e00\u9023\u306e\u7e4b\u304c\u308a\u306e\u6d41\u308c<\/li>\n<li>\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\uff1a\u30ea\u30b9\u30c8\u3084\u30de\u30c3\u30d7<\/li>\n<li>NULL<\/li>\n<\/ul>\n<p><strong>\u5f0f(EXPRESSION)  <\/strong><br \/>\n<b>\u4e00\u822c\u5f0f<\/b><\/p>\n<ul>\n<li>\u5c0f\u6570<\/li>\n<li>16\u9032\u6570<\/li>\n<li>8\u9032\u6570<\/li>\n<li>\u6574\u6570<\/li>\n<li>\u6587\u5b57\u5217<\/li>\n<li>\u30d6\u30fc\u30ea\u30f3\u578b<\/li>\n<li>\u8b58\u5225\u5b50<\/li>\n<li>\u8b58\u5225\u5b50.\u5c5e\u6027: {movie.title}<\/li>\n<li>\u30d1\u30e9\u30e1\u30fc\u30bf\uff1a{param},{0}<\/li>\n<li>\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\uff1a[\"a\",\"b\"],[1,2,3] <\/li>\n<li>\u4e00\u822c\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\uff1alength(\u8b58\u5225\u5b50), nodes(\u8b58\u5225\u5b50) <\/li>\n<li>\u96c6\u5408\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\uff1aavg(\u8b58\u5225\u5b50.\u5c5e\u6027),count(*)<\/li>\n<li>\u30d1\u30b9\u30d1\u30bf\u30fc\u30f3\uff1a(\u8b58\u5225\u5b501)-&gt;()&lt;-(\u8b58\u5225\u5b502) <\/li>\n<li>\u6f14\u7b97\uff1a1+2, 3 &lt; 4<\/li>\n<li>\u8ff0\u8a9e\u5f0f(TURN or FALSE)\uff1a\u3000a.prop = \"Hello\", length(p) &gt; 10, has(a.name) <\/li>\n<\/ul>\n<p><b>\u6587\u5b57\u5217\u30ea\u30c6\u30e9\u30eb <\/b><\/p>\n<ul>\n<li>\\t\uff1a\u30bf\u30d6<\/li>\n<li>\\b\uff1a\u30d0\u30c3\u30af\u30b9\u30da\u30fc\u30b9<\/li>\n<li>\\n\uff1a\u6539\u884c<\/li>\n<li>\\r\uff1a\u30ad\u30e3\u30ea\u30c3\u30b8\u30ea\u30bf\u30fc\u30f3\u3002\u884c\u672b\u304b\u3089\u884c\u982d\u306b\u623b\u3059\u5fa9\u5e30\u30b3\u30fc\u30c9<\/li>\n<li>\\f\uff1a\u7d19\u9001\u308a\/\u6539\u9801<\/li>\n<li>\\'\uff1a\u5358\u4e00\u5f15\u7528\u7b26<\/li>\n<li>\\\"\uff1a\u4e8c\u91cd\u5f15\u7528\u7b26<\/li>\n<li>\\\\\uff1a\u30d0\u30c3\u30af\u30b9\u30e9\u30c3\u30b7\u30e5<\/li>\n<li>\\uxxxx\uff1aUTF-16<\/li>\n<li>\\Uxxxxxxxx\uff1aUTF-32<\/li>\n<\/ul>\n<p><b>CASE <\/b><\/p>\n<blockquote><p>MATCH n<br \/>\nRETURN<br \/>\nCASE n.eyes<br \/>\nWHEN 'blue'<br \/>\nTHEN 1<br \/>\nWHEN 'brown'<br \/>\nTHEN 2<br \/>\nELSE 3 END AS result <\/p><\/blockquote>\n<p><strong>\u8b58\u5225\u5b50<\/strong><br \/>\n\u30ce\u30fc\u30c9\u3084\u95a2\u4fc2\u6027\u3001\u51e6\u7406\u7d50\u679c\u306a\u3069\u306e\u5024\u3092\u793a\u3059\u69cb\u9020\u4f53\u3067\u3059\u3002\u66f8\u5f0f\u306f\u3001(\u8b58\u5225\u5b50:\u30e9\u30d9\u30eb)\u306e\u3088\u3046\u306b\u8868\u8a18\u3057\u307e\u3059\u3002\u4e0b\u8a18\u306e\u300cperson\u300d\u304c\u8b58\u5225\u5b50\u3067\u3059\u3002<\/p>\n<blockquote><p> (person:Person) <\/p><\/blockquote>\n<p><strong> \u6f14\u7b97\u5b50 <\/strong><\/p>\n<ul>\n<li>\u7b97\u8853\u6f14\u7b97\u5b50\uff1a+, -, *, \/, %, ^<\/li>\n<li>\u6bd4\u8f03\u6f14\u7b97\u5b50\uff1a=, &lt;&gt;,&lt;,&gt;,&lt;=, &gt;=,IS NULL,IS NOT NULL<\/li>\n<li>\u30d6\u30fc\u30eb\u6f14\u7b97\uff1a\u7d50\u679c\u5024\u306fTRUE\u53c8\u306fFALSE\u3002\u6f14\u7b97\u5b50\u306fAND, OR, XOR, NOT<\/li>\n<li>\u6587\u5b57\u5217\u6f14\u7b97\u5b50\uff1a\u6587\u5b57\u5217\uff0b\u6587\u5b57\u5217<\/li>\n<li>\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u6f14\u7b97\u5b50\uff1aIN<\/li>\n<\/ul>\n<p><strong>\u30d1\u30bf\u30fc\u30f3<\/strong><br \/>\n\u30d1\u30bf\u30fc\u30f3\u3068\u3044\u3046\u6982\u5ff5\u306f\u3001Cypher QL\u306e\u5fc3\u81d3\u90e8\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002Neo4j\u306f\u3001\u5358\u7d14\u304b\u3001\u8907\u96d1\u304b\u3092\u554f\u308f\u305a\u3001\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u3092\u30d1\u30bf\u30fc\u30f3\u3068\u3057\u3066\u3068\u3089\u3048\u3066\u8868\u73fe\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d1\u30bf\u30fc\u30f3\u51e6\u7406\u306f\u3001MATCH\u3001 CREATE \u3001 MERGE\u306e\u306a\u304b\u306b\u6563\u5728\u3057\u3066\u3044\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d1\u30bf\u30fc\u30f3\u3068\u304b\u8a00\u308f\u308c\u308b\u3068\u306a\u305c\u304b\u3001\u96e3\u3057\u304f\u611f\u3058\u3066\u3057\u307e\u3046\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u304c\u3001\u300c\u540c\u3058\u30c7\u30fc\u30bf\u3084\u985e\u4f3c\u3057\u305f\u30c7\u30fc\u30bf\u300d\u3068\u3044\u3046\u6982\u5ff5\u306f\u3001\u3069\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u3082\u5b58\u5728\u3057\u307e\u3059\u3002\u30d1\u30bf\u30fc\u30f3\u3068\u8a00\u3063\u3066\u3044\u308b\u306e\u306f\u3001\u30b0\u30e9\u30d5\u8a9e\u3060\u3068\u601d\u3048\u3070\u3044\u3044\u3067\u3059\u3002<\/p>\n<p><b>\u5358\u7d14\u306a\u30d1\u30bf\u30fc\u30f3<\/b><br \/>\n\u6700\u3082\u5358\u7d14\u306a\u30d1\u30bf\u30fc\u30f3\u306e\u5f62\u72b6\u306f\u3001\uff11\u500b\u306e\u30ce\u30fc\u30c9\u3067\u3059\u3002<\/p>\n<blockquote><p> (person:Person {name\uff1a\"\u674e\"}) <\/p><\/blockquote>\n<p><b>\u8907\u96d1\u306a\u30d1\u30bf\u30fc\u30f3<\/b><br \/>\n\u8907\u96d1\u306a\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u8907\u6570\u306e\u30ce\u30fc\u30c9\u3068\u30ce\u30fc\u30c9\u9593\u306e\u95a2\u4fc2\u6027\u306e\u8868\u73fe\u3067\u3059\u3002<\/p>\n<blockquote><p> (\u4eba)--&gt;(\u6620\u753b) <\/p><\/blockquote>\n<blockquote><p> (\u4eba)--&gt;(\u6620\u753b)() &lt;--(\u4eba) <\/p><\/blockquote>\n<p>Neo4j\u3067\u30012\u3064\u306e\u30ce\u30fc\u30c9\u9593\u306e\u95a2\u4fc2\u6027\u3092\u793a\u3059\u6700\u3082\u5358\u7d14\u306a\u65b9\u6cd5\u306f\u3001\u300c--\u300d\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u65b9\u5411\u6027\u3084\u30bf\u30a4\u30d7\u3092\u554f\u308f\u305a\u3001\u4f55\u3089\u304b\u306e\u7e4b\u304c\u308a\u3092\u6301\u3063\u3066\u3044\u308b\u30c7\u30fc\u30bf\u30d1\u30bf\u30fc\u30f3\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<blockquote><p> (person:Person)--(movie:Movie) <\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2015\/03\/Relationship-1.png\" alt=\"Relationship-1\" \/><\/p>\n<p>\u95a2\u4fc2\u6027\u306e\u8868\u73fe\u306f\u3001\u65b9\u5411\u3092\u6301\u305f\u305b\u308b\u3053\u3068\u3067\u3088\u308a\u5177\u4f53\u7684\u3067\u610f\u5473\u3042\u308b\u95a2\u4fc2\u306b\u306a\u308a\u307e\u3059\u3002\u4e0b\u56f3\u306e\u3088\u3046\u306b\u300cA\u3055\u3093\u300d\u3068\u300cB\u3055\u3093\u300d\u306f\u3001\u300c\u304a\u4e92\u3044\u306b\u4f55\u3068\u306a\u304f\u77e5\u3063\u3066\u3044\u308b\u300d\u3068\u3044\u3046\u95a2\u4fc2\u6027\u3092\u8868\u73fe\u3057\u305f\u3068\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u679c\u305f\u3057\u3066\u610f\u5473\u3042\u308b\u95a2\u4fc2\u6027\u306e\u8868\u73fe\u3060\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u304b\u3002 <\/p>\n<p><img decoding=\"async\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2015\/03\/Relationship-2.png\" alt=\"Relationship-2\" \/><\/p>\n<p>\u4f55\u3068\u306a\u304f\u77e5\u3063\u3066\u3044\u308b\u3068\u3044\u3046\u95a2\u4fc2\u3092\u6398\u308a\u4e0b\u3052\u3066\u307f\u307e\u3059\u3002\u307e\u305a\u3001[:\u77e5\u3063\u3066\u3044\u308b]\u3068\u3044\u3046\u30bf\u30a4\u30d7\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u3001\uff12\u3064\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u5b58\u5728\u3059\u308b\u306f\u305a\u3067\u3059\u3002\u300cA\u3055\u3093\u300d\u306f\u300cB\u3055\u3093\u300d\u3092\u77e5\u3063\u3066\u3044\u308b\u3002\u300cB\u3055\u3093\u300d\u306f\u300cA\u3055\u3093\u300d\u3092\u77e5\u3063\u3066\u3044\u308b\u3002\u305d\u3057\u3066\u3001\u5c5e\u6027\u306f\u4e00\u81f4\u3059\u308b\u3053\u3068\u3082\u3042\u308c\u3070\u3001\u4e00\u81f4\u3057\u306a\u3044\u3053\u3068\u3082\u3042\u308b\u306f\u305a\u3067\u3059\u3002\u300cA\u3055\u3093\u300d\u306f\u300cB\u3055\u3093\u300d\u3068\u9762\u8b58\u304c\u3042\u308a\u3001\u597d\u611f\u3092\u3082\u3063\u3066\u3044\u307e\u3059\u3002\u300cB\u3055\u3093\u300d\u306f\u300cA\u3055\u3093\u300d\u3068\u9762\u8b58\u306f\u3042\u308b\u304c\u3001\u597d\u611f\u3092\u3082\u3063\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p><img decoding=\"async\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2015\/03\/Relationship-3.png\" alt=\"Relationship-3\" \/><\/p>\n<p>\u30ce\u30fc\u30c9\u9593\u306e\u95a2\u4fc2\u6027\u306e\u65b9\u5411\u306e\u307f\u3092\u793a\u3059\u3068\u304d\u306f\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b\u300c--&gt;\u300d\u3067\u8868\u73fe\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u95a2\u4fc2\u6027\u306e\u30bf\u30a4\u30d7\u306f\u554f\u308f\u305a\u3001(\u4eba)\u304b\u3089(\u6620\u753b)\u3078\u3068\u5411\u3044\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u95a2\u4fc2\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<blockquote><p> (person:Person)--&gt;(movie:Movie) <\/p><\/blockquote>\n<p>\u30ce\u30fc\u30c9\u9593\u306e\u95a2\u4fc2\u6027\u306e\u30bf\u30a4\u30d7\u3092\u793a\u3059\u3068\u304d\u306f\u3001[:\u51fa\u6f14\u3057\u305f]\u306e\u3088\u3046\u306b\u8868\u73fe\u3057\u307e\u3059\u3002\u52ff\u8ad6\u3001\u4eba\u3068\u6620\u753b\u3068\u306e\u95a2\u4fc2\u3067\u306f\u3001\u3088\u308a\u591a\u304f\u306e\u30bf\u30a4\u30d7\u304c\u5b58\u5728\u3059\u308b\u306f\u305a\u3067\u3059\u3002[:\u76e3\u7763\u3057\u305f]\u3001[:\u4e3b\u6f14\u3057\u305f]\u3001\u306a\u3069\u3001\u3069\u3093\u306a\u95a2\u4fc2\u6027\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u8868\u73fe\u3057\u305f\u3044\u304b\u306b\u3088\u3063\u3066\u30bf\u30a4\u30d7\u3092\u6c7a\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<blockquote><p> (person)-[roles:\u51fa\u6f14\u3057\u305f]-&gt;(movie) <\/p><\/blockquote>\n<p>\u95a2\u4fc2\u6027\u306e\u30bf\u30a4\u30d7\u306b\u5c5e\u6027\u3092\u6301\u305f\u305b\u308b\u3068\u3001\u3055\u3089\u306b\u591a\u69d8\u306a\u30d1\u30bf\u30fc\u30f3\u306e\u8868\u73fe\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<blockquote><p> (person)-[roles:\u51fa\u6f14\u3057\u305f{\"A\u5f79\u306b\",\" B\u5f79\u306b\",\"C\u5f79\u306b\"}]-&gt;(movie) <\/p><\/blockquote>\n<p><strong>\u30b3\u30e1\u30f3\u30c8<\/strong><br \/>\n\u69cb\u6587\u306e\u306a\u304b\u306e\u30c0\u30d6\u30eb\u30b9\u30e9\u30c3\u30b7\u30e5\u306f\u30b3\u30e1\u30f3\u30c8\u6271\u3044\u3055\u308c\u307e\u3059\u3002<\/p>\n<blockquote><p>MATCH (person:Person)<br \/>\n\/\/\u3053\u308c\u306f\u30b3\u30e1\u30f3\u30c8\u3067\u3059<br \/>\nRETURN person <\/p><\/blockquote>\n<p><strong>\u30b3\u30ec\u30af\u30b7\u30e7\u30f3<\/strong><br \/>\n<b>\u4e00\u822c\u7684\u306a\u30b3\u30ec\u30af\u30b7\u30e7\u30f3<\/b><br \/>\nNeo4j\u306e\u69cb\u6587\u3067\u306f\u3001RETURN\u6587\u5358\u72ec\u3067\u30c7\u30fc\u30bf\u51e6\u7406\u304c\u53ef\u80fd\u3067\u3059\u3002\u4e0b\u8a18\u306e\u30ea\u30b9\u30c8\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u5168\u30c7\u30fc\u30bf\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<blockquote><p>RETURN [0,1,2,3,4,5,6,7,8,9]<br \/>\n[0,1,2,3,4,5,6,7,8,9] <\/p><\/blockquote>\n<p>\u4e0b\u8a18\u306e\u30ea\u30b9\u30c8\u306f\u30010\u304b\u308910\u306e\u7bc4\u56f2\u306e\u30ea\u30b9\u30c8\u306e\u306a\u304b\u3067\u3001[0]\u304b\u3089\u59cb\u307e\u308b[3]\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5024\u3092\u610f\u5473\u3059\u308b\u306e\u3067 3\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<blockquote><p>RETURN range(0,10)[3]<br \/>\n3 <\/p><\/blockquote>\n<p>\u4e0b\u8a18\u306f\u3001\u59cb\u70b9\u3092\u30a4\u30f3\u30c7\u30c3\u30af\u30b9[0]\u3068\u3057\u3066\u3001\u300c3\u756a\u76ee\u300d\u307e\u3067\u306e\u8981\u7d20\u5168\u3066\u3092\u610f\u5473\u3057 \u307e\u3059\u3002<\/p>\n<blockquote><p>RETURN range(0,10)[0..3]<br \/>\n[0,1,2] <\/p><\/blockquote>\n<p>\u4e0b\u8a18\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u672b\u5c3e\u304b\u3089\u300c-3\u756a\u76ee\u300d\u306e\u8981\u7d20\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<blockquote><p>RETURN range(0,10)[-3]<br \/>\n8 <\/p><\/blockquote>\n<p>\u4e0b\u8a18\u306f\u3001\u59cb\u70b9\u3092\u30a4\u30f3\u30c7\u30c3\u30af\u30b9[0]\u3001\u672b\u5c3e\u304b\u3089\u300c-5\u756a\u76ee\u300d\u307e\u3067\u306e\u8981\u7d20\u5168\u3066\u3092\u610f\u5473 \u3057\u307e\u3059\u3002<\/p>\n<blockquote><p>RETURN range(0,10)[0..-5]<br \/>\n[0,1,2,3,4,5]<\/p><\/blockquote>\n<p>\u4e0b\u8a18\u306f\u3001\u59cb\u70b9\u3092\u672b\u5c3e\u304b\u3089\u300c-5\u756a\u76ee\u300d\u3068\u3057\u3066\u3001\u672b\u5c3e\u307e\u3067\u306e\u8981\u7d20\u5168\u3066\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<blockquote><p>RETURN range(0,10)[-5..]<br \/>\n[6,7,8,9,10] <\/p><\/blockquote>\n<p><b>IN\u30ea\u30b9\u30c8<\/b><br \/>\n[]\u306e\u306a\u304b\u3067\u30ea\u30b9\u30c8\u306eFOR EACH\u51e6\u7406\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u4e0b\u8a18\u306f\u30010\u304b\u3089\u306e10\u307e\u3067\u306e\u6570\u5b57\u30922\u3067\u5272\u308a\u7b97\u3057\u3066\u3001\u4f59\u308a\u304c0\u306e\u6570\u5b57\u3092\u8fd4\u3057\u307e\u3059\u3002IN\u306e\u53f3\u306e0\u304b\u308910\u307e\u3067\u306e\u6570\u5b57\u304c\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u9806\u3067\u5de6\u306e\u5909\u6570x\u306b\u6e21\u3055\u308c\u3001WHERE\u3067\u300cx % 2 = 0\u300d\u306e\u7d50\u679c\u5024\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u3057\u3066\u8fd4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p>RETURN [x IN range(0,10) WHERE x % 2 = 0] AS result<br \/>\n[0,2,4,6,8,10] <\/p><\/blockquote>\n<p><b>\u30ea\u30c6\u30e9\u30eb\u30de\u30c3\u30d7<\/b><br \/>\nCypher QL\u3067\u306f\u3001\u7d50\u679c\u5024\u3092\u30de\u30c3\u30d7\u3067\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e0b\u8a18\u306e\u3088\u3046\u306aJSON\u5f62\u5f0f\u3067\u3059\u3002<\/p>\n<blockquote><p>RETURN { key : \"Value\", collectionKey: [{ inner: \"Map1\" }, { inner: \"Map2\" }]}<br \/>\n{key -&gt; \"Value\", collectionKey -&gt; [{inner -&gt; \"Map1\"},{inner -&gt; \"Map2\"}]} <\/p><\/blockquote>\n<p><strong> NULL<\/strong><br \/>\n\u30b0\u30e9\u30d5\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067NULL\u306e\u8a8d\u8b58\u306f\u3001\u3068\u3066\u3082\u91cd\u8981\u3067\u3059\u3002\u4e0b\u8a18\u306f\u3001\u8ad6\u7406\u6f14\u7b97\u3068IN\u6f14\u7b97\u306e\u7d50\u679c\u3067\u3059\u3002<\/p>\n<p><b>\u8ad6\u7406\u6f14\u7b97\u306e\u7d50\u679c<\/b><br \/>\n<img decoding=\"async\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2015\/03\/Logical-oeration-1.png\" alt=\"Logical-oeration-1\" \/><\/p>\n<p><b>IN\u6f14\u7b97\u306e\u7d50\u679c<\/b><\/p>\n<p><img decoding=\"async\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2015\/03\/Logical-oeration-2.png\" alt=\"Logical-oeration-2\" \/><\/p>\n<h3>\u4e00\u822c\u7684\u306a\u6587(General Clauses) <\/h3>\n<hr>\n<ul>\n<li>RETURN<\/li>\n<li>ORDER BY<\/li>\n<li>LIMIT<\/li>\n<li>SKIP<\/li>\n<li>WITH<\/li>\n<li>UNWIND\uff1aUNWIND\u306f\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u500b\u3005\u306e\u5024\u3092\u884c\u306b\u5909\u63db\u3057\u307e\u3059<\/li>\n<blockquote><p>UNWIND[1,2,3] AS x<br \/>\nRETURN x<br \/>\n1<br \/>\n2<br \/>\n3 <\/p><\/blockquote>\n<li>UNION<\/li>\n<li>USING:\u30ce\u30fc\u30c9\u306b\u5bfe\u3059\u308b\u30e9\u30d9\u30eb\u691c\u7d22\u3068\u5c5e\u6027\u306b\u5bfe\u3059\u308bINDEX\u691c\u7d22\u3092\u8a98\u5c0e\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<blockquote><p>MATCH (n:Swedish)<br \/>\nUSING INDEX n:Swedish(surname)<br \/>\nWHERE n.surname = 'Taylor'<br \/>\nRETURN n<br \/>\nNode[3]{name:\"Andres\",age:36,awesome:true,surname:\"Taylor\"} <\/p><\/blockquote>\n<blockquote><p>MATCH (m:German)<br \/>\nUSING SCAN m:German<br \/>\nWHERE m.surname = 'Plantikow'<br \/>\nRETURN m<br \/>\nNode[1]{name:\"Stefan\",surname:\"Plantikow\"} <\/p><\/blockquote>\n<h3>\u8aad\u307f\u53d6\u308a\u6587<\/h3>\n<hr>\n<p>\u30c7\u30fc\u30bf\u30d1\u30bf\u30fc\u30f3\u306e\u691c\u7d22\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u3001\u96c6\u8a08\u3001\u5927\u91cf\u30c7\u30fc\u30bf\u30ed\u30fc\u30c9\u306a\u3069\u3092\u884c\u3046\u6587\u3067\u3059\u3002<\/p>\n<ul>\n<li>MATCH<\/li>\n<li>OPTIONAL MATCH<\/li>\n<li>WHERE<\/li>\n<li>START\uff1a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u3063\u3066\u30ce\u30fc\u30c9\u3084\u95a2\u4fc2\u6027\u3092\u691c\u7d22\u3057\u307e\u3059<\/li>\n<li>AGGREGATION<\/li>\n<li>LOAD CSV<\/li>\n<\/ul>\n<h3>\u66f8\u304d\u8fbc\u307f\u6587<\/h3>\n<hr>\n<p>\u30c7\u30fc\u30bf\u30d1\u30bf\u30fc\u30f3\u306e\u8ffd\u52a0\u3001\u66f4\u65b0\u3001\u524a\u9664\u3001\u5927\u91cf\u30c7\u30fc\u30bf\u30ed\u30fc\u30c9\u306a\u3069\u3092\u884c\u3046\u6587\u3067\u3059\u3002<\/p>\n<ul>\n<li>CREATE<\/li>\n<li>MERGE<\/li>\n<li>SET<\/li>\n<li>DELETE<\/li>\n<li>REMOVE<\/li>\n<li>FOREACH<\/li>\n<li>CREATE UNIQUE<\/li>\n<li>IMPORTING CSV FILES WITH CYPHER<\/li>\n<li>USING PERIODIC COMMIT:\u30c8\u30e9\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406\u4ef6\u6570\u306e\u5236\u9650<\/li>\n<\/ul>\n<h3>\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3(FUNCTION) <\/h3>\n<hr>\n<p>\u4e0b\u8a18\u306f\u3001Cypher QL\u306e\u3059\u3079\u3066\u306e\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u60c5\u5831\u3067\u3059\u3002<br \/>\n<strong>\u8ff0\u8a9e\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3<\/strong><\/p>\n<ul>\n<li>ALL<\/li>\n<li>ANY<\/li>\n<li>NONE<\/li>\n<li>SINGLE<\/li>\n<li>EXISTS<\/li>\n<\/ul>\n<p><strong>\u30b9\u30ab\u30fc\u30e9\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3<\/strong><br \/>\n\u30b0\u30e9\u30d5\u306e\u30e1\u30bf\u60c5\u5831\u3092\u8868\u793a\u3057\u305f\u308a\u3059\u308b\u3082\u306e\u304c\u4e00\u90e8\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>LENGTH<\/li>\n<li>LENGTH\u306e\u30d1\u30bf\u30fc\u30f3\u8868\u73fe<\/li>\n<li>TYPE<\/li>\n<li>ID<\/li>\n<li>COALESCE<\/li>\n<li>HEAD<\/li>\n<li>LAST<\/li>\n<li>TIMESTAMP<\/li>\n<li>STARTNODE<\/li>\n<li>ENDNODE<\/li>\n<li>TOINT<\/li>\n<li>TOFLOAT<\/li>\n<li>TOSTRING<\/li>\n<\/ul>\n<p><strong>\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3<\/strong><br \/>\n\u30b0\u30e9\u30d5\u306e\u30e1\u30bf\u60c5\u5831\u3092\u8868\u793a\u3057\u305f\u308a\u3059\u308b\u3082\u306e\u304c\u4e00\u90e8\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>NODES<\/li>\n<li>RELATIONSHIPS<\/li>\n<li>LABELS<\/li>\n<li>KEYS<\/li>\n<li>EXTRACT<\/li>\n<li>FILTER<\/li>\n<li>TAIL<\/li>\n<li>RANGE<\/li>\n<li>REDUCE<\/li>\n<\/ul>\n<p><strong>\u6570\u5b66\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3<\/strong><\/p>\n<ul>\n<li>ABS<\/li>\n<li>ACOS<\/li>\n<li>ASIN<\/li>\n<li>ATAN<\/li>\n<li>ATAN2<\/li>\n<li>COS<\/li>\n<li>COT<\/li>\n<li>DEGREES<\/li>\n<li>E<\/li>\n<li>EXP<\/li>\n<li>FLOOR<\/li>\n<li>HAVERSIN<\/li>\n<li>LOG<\/li>\n<li>LOG10<\/li>\n<li>PI<\/li>\n<li>RADIANS<\/li>\n<li>RAND<\/li>\n<li>ROUND<\/li>\n<li>SIGN<\/li>\n<li>SIN<\/li>\n<li>SQRT<\/li>\n<li>TAN<\/li>\n<\/ul>\n<p><strong>\u6587\u5b57\u5217\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3<\/strong><\/p>\n<ul>\n<li>STR<\/li>\n<li>REPLACE<\/li>\n<li>SUBSTRING<\/li>\n<li>LEFT<\/li>\n<li>RIGHT<\/li>\n<li>LTRIM<\/li>\n<li>RTRIM<\/li>\n<li>TRIM<\/li>\n<li>LOWER<\/li>\n<li>UPPER<\/li>\n<li>SPLIT<\/li>\n<\/ul>\n<h3>\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3068\u51e6\u7406\u901f\u5ea6<\/h3>\n<hr>\n<p>Neo4j\u3067\u306f\u3001\u4e0b\u8a18\u306e3\u3064\u306e\u8981\u7d20\u3092\u300c\u30b9\u30ad\u30fc\u30de\u300d\u3068\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n<strong>CONSTRAINTS<\/strong><br \/>\n\u5236\u7d04\uff08CONSTRAINT\uff09\u306f\u3001\u540c\u30e9\u30d9\u30eb\u306e\u306a\u304b\u306e\u5c5e\u6027\u5024\u306b\u5bfe\u3057\u3066\u4e00\u610f\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u4f5c\u6210\u3057\u307e\u3059\u3002\u95a2\u4fc2\u578b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8a00\u8449\u306b\u7f6e\u304d\u63db\u3048\u308c\u3070\u30d7\u30e9\u30a4\u30de\u30ea\u30fc\u30ad\u30fc\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30d6\u30c3\u30af\u30de\u30b9\u30bf\u30fc\u306eISBN\u3001\u793e\u54e1\u30de\u30b9\u30bf\u30fc\u306e\u793e\u54e1ID\u306a\u3069\u304c\u5236\u7d04\u5ba3\u8a00\u306e\u5bfe\u8c61\u306b\u306a\u308a\u307e\u3059\u30021\u5c5e\u6027\u306b\u5bfe\u3057\u30661\u5236\u7d04\u3057\u304b\u4f5c\u6210\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u540c\u30e9\u30d9\u30eb\u306e\u306a\u304b\u3067\u5236\u7d04\u3092\u8907\u6570\u4f5c\u6210\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u3002\u4f46\u3057\u3001\u8907\u6570\u306e\u5c5e\u6027\u3067\u8907\u6570\u30ad\u30fc\u578b\u306e\u5236\u7d04\u3092\u5ba3\u8a00\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<blockquote><p>CREATE CONSTRAINT ON (book:Book) ASSERT book.isbn IS UNIQUE <\/p><\/blockquote>\n<blockquote><p>DROP CONSTRAINT ON (book:Book) ASSERT book.isbn IS UNIQUE <\/p><\/blockquote>\n<p>\u4e0b\u8a18\u306e\u3088\u3046\u306a\u5236\u7d04\u3092\u5ba3\u8a00\u3059\u308b\u3053\u3068\u306f\u51fa\u6765\u307e\u305b\u3093\u3002<\/p>\n<blockquote><p>CREATE CONSTRAINT ON (book:Book) ASSERT {book.title,book.author} IS UNIQUE<\/p><\/blockquote>\n<p><strong>INDEX<\/strong><br \/>\n\u691c\u7d22\u901f\u5ea6\u3092\u4e0a\u3052\u308b\u305f\u3081\u306b\u3001\u5c5e\u6027\u306b\u5bfe\u3057\u3066\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u30011\u5c5e\u6027\u306b\u5bfe\u3057\u30661\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3057\u304b\u4f5c\u6210\u3067\u304d\u307e\u305b\u3093\u3002\u540c\u30e9\u30d9\u30eb\u306e\u306a\u304b\u306e\u5c5e\u6027\u3092\u4f7f\u3063\u3066\u8907\u6570\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u3002\u4f46\u3057\u3001\u8907\u6570\u306e\u5c5e\u6027\u3067\u8907\u5408\u30ad\u30fc\u578b\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u5ba3\u8a00\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<blockquote><p>\nCREATE INDEX ON :Movie(title)\n<\/p><\/blockquote>\n<blockquote><p>\nDROP INDEX ON :Movie(title)\n<\/p><\/blockquote>\n<p>\u4e0b\u8a18\u306e\u3088\u3046\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5ba3\u8a00\u306f\u51fa\u6765\u307e\u305b\u3093\u3002<\/p>\n<blockquote><p>\nCREATE INDEX ON :Book(title, author)\n<\/p><\/blockquote>\n<p><strong>STATISTICS<\/strong><br \/>\nNeo4j\u306f\u3001\u5b9f\u884c\u8a08\u753b\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u7d71\u8a08\u5024\u3092\u4fdd\u6301\u3057\u307e\u3059\u3002Neo4j\u306f\u3001\u30ce\u30fc\u30c9\u3068\u30a4\u30f3\u30c7\u30c3\u30af\u306b\u5bfe\u3057\u3001\u5225\u306e\u624b\u6cd5\u3067\u7d71\u8a08\u5024\u3092\u53ce\u96c6\u3057\u3066\u3044\u307e\u3059\u3002\u30ce\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u306f\u3001\u30e9\u30d9\u30eb\u306e\u5c5e\u6027\u306b\u5909\u66f4\u304c\u8d77\u304d\u305f\u3068\u304d\u306b\u7d71\u8a08\u5024\u304c\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u5bfe\u3057\u3066\u306f\u3001\u7279\u5b9a\u306e\u5272\u5408\u306e\u5909\u66f4\u304c\u8d77\u304d\u305f\u3068\u304d\u306b\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u7d71\u8a08\u5024\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30e9\u30d9\u30eb\u3068\u30ce\u30fc\u30c9\u306e\u6570<\/li>\n<li>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u9078\u629e\u5236<\/li>\n<li>\u30bf\u30a4\u30d7\u306b\u3088\u308b\u95a2\u4fc2\u6027\u306e\u6570<\/li>\n<li>\u7279\u5b9a\u306e\u30e9\u30d9\u30eb\u306e\u30ce\u30fc\u30c9\u304b\u3089\u59cb\u307e\u308b\u304b\u3001\u7d42\u308f\u308b\u304b\u3001\u305d\u306e\u30bf\u30a4\u30d7\u306b\u3088\u308b\u95a2\u4fc2\u6027\u306e\u6570<\/li>\n<\/ul>\n<h2>Cypher QL\u306e\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0<\/h2>\n<hr>\n<h3> \u5b9f\u884c\u8a08\u753b\u8005\uff08Execution planner \uff09<\/h3>\n<p>Cypher\u30af\u30a8\u30ea\u306f\u3001\u5b9f\u884c\u8a08\u753b\u8005\uff08Execution planner\uff09\u547c\u3070\u308c\u308b\u8005\u304c\u4f5c\u3063\u305f\u5b9f\u884c\u8a08\u753b\u306b\u3088\u3063\u3066\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u5b9f\u884c\u8a08\u753b\u306e\u4f5c\u6210\u65b9\u6cd5\u306f\u3001\u6b21\u306e\uff12\u3064\u3067\u3059\u3002<\/p>\n<p><b>RULE BASE<\/b><br \/>\n\u4e3b\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u983c\u3063\u3066\u5b9f\u884c\u8a08\u753b\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u7d71\u8a08\u5024\u306f\u53c2\u7167\u3057\u307e\u305b\u3093\u3002<\/p>\n<p><b>COST BASE<\/b><br \/>\n\u7d71\u8a08\u5024\u3092\u5229\u7528\u3057\u3066\u5b9f\u884c\u8a08\u753b\u306e\u4ee3\u66ff\u6848\u3092\u4f5c\u6210\u3057\u3001\u30b3\u30b9\u30c8\u304c\u6700\u3082\u4f4e\u3044\u5b9f\u884c\u8a08\u753b\u3092\u4f7f\u7528\u3057\u307e\u3059\u30022.2.x\u304b\u3089\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u307e\u3060\u3001\u958b\u767a\u9014\u4e0a\u306b\u3042\u308a\u3001\u3059\u3079\u3066\u30b3\u30b9\u30c8\u30d9\u30fc\u30b9\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>\u5b9f\u884c\u8a08\u753b<\/h3>\n<p>\u5b9f\u884c\u8a08\u753b\u3068\u306f\u3001Cypher\u30af\u30a8\u30ea\u306e\u4f5c\u696d\u9806\u3068\u4f5c\u696d\u65b9\u6cd5\u306e\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u3092\u898b\u308b\u3068\u4f5c\u696d\u52b9\u7387\u3092\u56f3\u308b\u3053\u3068\u304c\u51fa\u6765\u3066\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306b\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><b>EXPLAIN<\/b><br \/>\n\u69cb\u6587\u3092\u5b9f\u884c\u305b\u305a\u3001\u5b9f\u884c\u8a08\u753b\u3060\u3051\u3092\u307f\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f7f\u3044\u65b9\u306f\u3001\u69cb\u6587\u306e\u524d\u306bEXPLAN\u3092\u4ed8\u3051\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<blockquote><p>EXPLAIN MATCH (p { name:\"Tom Hanks\" }) RETURN p <\/p><\/blockquote>\n<p><b>PROFILE<\/b><br \/>\n\u69cb\u6587\u3092\u5b9f\u884c\u3057\u3001\u7d50\u679c\u5024\u3068\u3068\u3082\u306b\u5b9f\u884c\u8a08\u753b\u3092\u307f\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f7f\u3044\u65b9\u306f\u3001\u69cb\u6587\u306e\u524d\u306bPROFILE\u3092\u4ed8\u3051\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<blockquote><p>PROFILE  MATCH (p { name:\"Tom Hanks\" }) RETURN p <\/p><\/blockquote>\n<h3>\u5b9f\u884c\u8a08\u753b\u306e\u8aad\u307f\u65b9<\/h3>\n<p>\u4e0b\u8a18\u306f\u3001\u5b9f\u884c\u8a08\u753b\u306e\u4f8b\u3067\u3059\u304c\u3001\u809d\u5fc3\u306a\u3053\u3068\u306f\u3001\u4e0b\u304b\u3089\u4e0a\u306b\u8aad\u3093\u3067\u3044\u304f\u3053\u3068\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2015\/03\/cypher-ql-explain-plan1.png\" alt=\"cypher-ql-explain-plan\" \/><\/p>\n<p><strong>Operator<\/strong>\uff1a\u6f14\u7b97\u5b50\u306e\u540d\u79f0<br \/>\n<strong>EstimatedRows<\/strong>\uff1a \u30b3\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u5b9f\u884c\u8a08\u753b\u3067\u898b\u7a4d\u3057\u305f\u4e88\u6e2c\u306e\u884c\u6570\u3002\u3053\u308c\u306f\u3001Neo4j 2.2.x\u304b\u3089\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u53e4\u3044\u30d1\u30fc\u30b8\u30e7\u30f3\u306f\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002<br \/>\n<strong>Rows , DbHits<\/strong>\uff1a\u3053\u308c\u306fPROFILE\u3092\u5b9f\u884c\u3057\u3066\u5b9f\u884c\u8a08\u753b\u3092\u51fa\u529b\u3057\u305f\u3068\u304d\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002Rows(\u884c\u6570)\u306f\u3001\u6f14\u7b97\u5b50\u306b\u3088\u3063\u3066\u7d5e\u308a\u51fa\u3055\u308c\u305f\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u306e\u884c\u6570\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u6700\u7d42\u7d50\u679c\u5024\u3067\u3059\u3002\u305d\u3057\u3066\u300cDbHits\u300d\u306f\u3001\u6f14\u7b97\u5b50\u304c\u5b9f\u884c\u306b\u4f7f\u3063\u305f\u30c7\u30fc\u30bf\u884c\u6570\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u300cDbHits\u300d\u306f\u3001Neo4j\u306eIO\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u308a\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3084\u30c7\u30a3\u30b9\u30af\u3068\u306e\u3084\u308a\u53d6\u308a\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p>EstimatedRows\u306e\u884c\u6570\u3068\u3001Rows\u306e\u884c\u6570\u3068\u306f\u3001\u306a\u308b\u3079\u304f\u8fd1\u3044\u307b\u3046\u304c\u3044\u3044\u3067\u3059\u3002<\/p><\/blockquote>\n<h2>\u307e\u3068\u3081<\/h2>\n<hr>\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u306f\u3001\u591a\u5c11\u9000\u5c48\u3060\u3063\u305f\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u3002\u6b21\u56de\u304b\u3089\u3001\u672c\u683c\u7684\u306aCypher QL\u306e\u66f8\u304d\u65b9\u306b\u5165\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cypher QL\uff08Cypher\uff1a\u30b5\u30a4\u30d5\u30a1\u30fc\u3068\u8aad\u3080\uff09\u306f\u3001Neo4j\u3067\u30b0\u30e9\u30d5\u69cb\u9020\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u884c\u3046\u305f\u3081\u306b\u958b\u767a\u3057\u305f\u5ba3\u8a00\u578b\u306e\u30b0\u30e9\u30d5\u30af\u30a8\u30ea\u8a00\u8a9e\u3067\u3059\u3002\u7c21\u5358\u306b\u8a00\u3046\u3068\u3001\u3042\u3089\u304b\u3058\u3081\u6c7a\u307e\u3063\u305f\u6a5f\u80fd\u3092\u9042\u884c\u3059\u308b\u6587\u3084\u3072\u306a\u5f62\u306e\u3088\u3046\u306a\u69cb\u6587\u306e\u66f8\u5f0f\u304c\u5b58\u5728 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