Lead openCypher Language Group (CLG) Neo Technology opencypher.org - - PowerPoint PPT Presentation

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Lead openCypher Language Group (CLG) Neo Technology opencypher.org - - PowerPoint PPT Presentation

Dec 06, 2022 117 likes •554 views

Lead openCypher Language Group (CLG) Neo Technology opencypher.org | opencypher@googlegroups.com opencypher.org | opencypher@googlegroups.com opencypher.org opencypher.org | opencypher@googlegroups.com

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  • pencypher.org | opencypher@googlegroups.com
  • pencypher.org | opencypher@googlegroups.com

Lead openCypher Language Group (CLG) Neo Technology

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  • pencypher.org | opencypher@googlegroups.com
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  • pencypher.org | opencypher@googlegroups.com
  • →
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≠

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  • RETURN
  • MATCH (a)-[r]->(b)
  • WITH
  • THEN
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  • pencypher.org | opencypher@googlegroups.com

RETURN => ...

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  • pencypher.org | opencypher@googlegroups.com

RETURN => LOAD GRAPH

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  • pencypher.org | opencypher@googlegroups.com
  • LOAD GRAPH AT "graph://graphology.com/europe/uk"
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  • pencypher.org | opencypher@googlegroups.com

MATCH => ...

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  • pencypher.org | opencypher@googlegroups.com

MATCH => RETURN GRAPH

RETURN GRAPH

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  • pencypher.org | opencypher@googlegroups.com

MATCH (a)-->(b) WITH a, b ...

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  • pencypher.org | opencypher@googlegroups.com

WITH a, r, b RETURN GRAPH FROM (a)-[r]->(b) ...

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  • pencypher.org | opencypher@googlegroups.com

MATCH RETURN GRAPH FROM p=(a)-[r]->(b) p=(a)-[r]->(b)

p=... p

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  • pencypher.org | opencypher@googlegroups.com
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  • pencypher.org | opencypher@googlegroups.com

MATCH g=(a)-[r]->(b) + (c) + (d)-[r2]->(c) g GRAPHLET PATH GRAPHLET

  • g1+g2
  • g1-g2
  • g1&g2
  • g1^g2
  • annotation: g {:Label prop: 12}
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  • pencypher.org | opencypher@googlegroups.com

MATCH g=(a)-[r]->(b) + (c) + (d)-[r2]->(c) g

  • union(g)
  • g)
  • ...
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  • pencypher.org
  • pencypher.org | opencypher@googlegroups.com

RETURN GRAPH FROM <pat> RETURN GRAPH FROM THROUGH GRAPH FROM { CREATE () ... }

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MATCH (c:City {name: "London"}) MATCH (c)<-[:LIVES_IN]-(a)-[:LOVES]-(b)-[:LIVES_IN]->(c) WITH GRAPH FROM (x)-[:KNOWS]-(y) WHERE NOT EXISTS { (x)-[:LOVES]-(y) } MATCH (a)-(single_friend)-(b) RETURN *

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  • RETURN * THEN ...
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RETURN GRAPH

  • UNION GRAPH
  • INTERSECT GRAPH
  • EXCLUSIVE UNION GRAPH
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  • pencypher.org | opencypher@googlegroups.com
  • LOAD GRAPH AT
  • WITH GRAPH FROM THROUGH
  • RETURN GRAPH FROM THROUGH
  • RETURN WITH GRAPH
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  • GRAPH AT "url"
  • GRAPH FROM <pat> THROUGH <pat-aggr>
  • EMPTY GRAPH
  • CURRENT GRAPH
  • DEFAULT GRAPH
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  • pencypher.org
  • pencypher.org | opencypher@googlegroups.com

CREATE GRAPH <MyGraph:Label {name: 15}> AT "url" FROM g=(a)-[r]->(b) THROUGH union(g) ADD/MOVE GRAPH g TO "url" REMOVE GRAPH g FROM "url" DELETE GRAPH g

"Big" Graph

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  • pencypher.org
  • pencypher.org | opencypher@googlegroups.com

MATCH GRAPH <MyGraph:Label {name: 15}> ... WITH GRAPH <MyGraph:Label {name: 15}> FROM ... THROUGH ... LOAD GRAPH MyGraph ADD TO GRAPH ... MATCH IN GRAPH ... REMOVE FROM GRAPH ... SET MyGraph.name = 15 ADD MyGraph:SocialNetwork REMOVE MyGraph.name REMOVE MyGraph:Experiment

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  • pencypher.org | opencypher@googlegroups.com
  • MATCH g=...

g

  • MATCH GRAPH <G>
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SQL

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CYPHER 3.x

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CYPHER vNEXT

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