适用于 openCypher 用户的 Spanner Graph 参考文档

使用集合让一切井井有条 根据您的偏好保存内容并对其进行分类。

MATCH
  (src:Account)-[t1:Transfers]->
  (dst:Account)-[t2:Transfers]->
  (src)-[t1]->(dst)
WHERE src.id = 16
RETURN src.id AS src_id, dst.id AS dst_id;
      

GRAPH FinGraph
MATCH TRAIL
  (src:Account)-[t1:Transfers]->
  (dst:Account)-[t2:Transfers]->
  (src)-[t1]->(dst)
WHERE src.id = 16
RETURN src.id AS src_id, dst.id AS dst_id;
      

GRAPH FinGraph
MATCH
  (src:Account)-[t1:Transfers]->
  (dst:Account)-[t2:Transfers]->
  (src)-[t1]-> (dst)
WHERE src.id = 16
RETURN src.id AS src_id, dst.id AS dst_id;
      

MATCH (account:Account)
WHERE account.id = 16
RETURN account;

GRAPH FinGraph
MATCH (account:Account)
WHERE account.id = 16
RETURN TO_JSON(account) AS account;

MATCH (src:Account)-[:Transfers*1..2]->(dst:Account)
WHERE src.id = 16
RETURN dst.id
ORDER BY dst.id;
     

GRAPH FinGraph
MATCH (src:Account)-[:Transfers]->{1,2}(dst:Account)
WHERE src.id = 16
RETURN dst.id
ORDER BY dst.id;
      

MATCH p=(src:Account)-[:Transfers*1..3]->(dst:Account)
WHERE src.id = 16
RETURN edges(p);
      

GRAPH FinGraph
MATCH (src:Account) -[e:Transfers]->{1,3} (dst:Account)
WHERE src.id = 16
RETURN TO_JSON(e) AS e;
     

MATCH
  (src:Account {id: 7}),
  (dst:Account {id: 20}),
  p = shortestPath((src)-[*1..10]->(dst))
RETURN length(p) AS path_length;
      

GRAPH FinGraph
MATCH ANY SHORTEST
  (src:Account {id: 7})-[e:Transfers]->{1, 3}
  (dst:Account {id: 20})
RETURN ARRAY_LENGTH(e) AS path_length;
      

GRAPH FinGraph
MATCH (p:Person)
RETURN EXTRACT(YEAR FROM p.birthday) AS birthYear;

GRAPH FinGraph
MATCH (p:Person)
RETURN EXTRACT(YEAR FROM p.birthday); -- No aliasing

GRAPH FinGraph
MATCH (n:Account)
RETURN n.id
SKIP @offsetParameter
LIMIT 3;

GRAPH FinGraph
MATCH (n:Account)
RETURN n.id
LIMIT VALUE {
  MATCH (m:Person)
  RETURN COUNT(*) AS count
} AS count; -- Not a constant expression

GRAPH FinGraph
LET arr = [1, 2, 3]
FOR num IN arr
RETURN num;

MATCH (n:Person)
WHERE n.id = $id
RETURN n.name;

GRAPH FinGraph
MATCH (n:Person)
WHERE n.id = @id
RETURN n.name;

CREATE (:Person {id: 100, name: 'John'});
CREATE (:Account {id: 1000, is_blocked: FALSE});


MATCH (p:Person {id: 100}),
      (a:Account {id: 1000})
CREATE (p)-[:Owns {create_time: timestamp()}]->(a);

INSERT INTO
Person (id, name)
VALUES (100, "John");


INSERT INTO
Account (id, is_blocked)
VALUES (1000, FALSE);


INSERT INTO PersonOwnAccount (id, account_id, create_time)
VALUES (100, 1000, CURRENT_TIMESTAMP());

MATCH (a:Account {id: 1}), (oa:Account)
WHERE oa <> a
CREATE (a)-[:Transfers {amount: 100, create_time: timestamp()}]->(oa);

INSERT INTO AccountTransferAccount(id, to_id, create_time, amount)
SELECT a.id, oa.id, CURRENT_TIMESTAMP(), 100
FROM GRAPH_TABLE(
  FinGraph
  MATCH
    (a:Account {id:1000}),
    (oa:Account)
  WHERE oa <> a
);

MATCH (p:Person {id: 100})
SET p.country = 'United States';

UPDATE Person AS p
SET p.country = 'United States'
WHERE p.id = 100;

MERGE (p:Person {id: 100, country: 'United States'});

INSERT OR UPDATE INTO Person
(id, country)
VALUES (100, 'United States');

MATCH (p:Person {id:100}), (a:Account {id:1000})
DELETE (p)-[:Owns]->(a);

DELETE PersonOwnAccount
WHERE id = 100 AND account_id = 1000;

DETACH DELETE (:Account {id: 1000});

DELETE Account
WHERE id = 1000;

MATCH (p:Person {id: 100})
SET p.country = 'United States'
RETURN p.id, p.name;

UPDATE Person AS p
SET p.country = 'United States'
WHERE p.id = 100
THEN RETURN id, name;

DELETE (p:Person {id: 100})
RETURN p.country;

DELETE FROM Person
WHERE id = 100
THEN RETURN country;