apoc.cypher.runMany过程
语法 |
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描述 |
运行以分号分隔的每条语句,并返回语句执行结果的摘要。 |
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输入参数 |
名称 |
类型 |
描述 |
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要运行的 Cypher 语句,以分号 ( |
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给定 Cypher 语句的参数。 |
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返回参数 |
名称 |
类型 |
描述 |
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所运行 Cypher 语句的行号。 |
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Cypher 语句返回的结果。 |
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此过程无法执行 |
用法示例
此过程适用于执行多条 Cypher 语句。我们可以通过运行以下查询,在一个语句中创建一个节点,并在另一个语句中创建指向它自身的关联:
CALL apoc.cypher.runMany(
'CREATE (n:Node {name:$name});
MATCH (n {name:$name})
CREATE (n)-[:X {name:$name2}]->(n);',
{name:"John", name2:"Doe"}
);
| row | 结果 |
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-1 |
{constraintsRemoved: 0, indexesRemoved: 0, nodesCreated: 1, rows: 0, propertiesSet: 1, labelsRemoved: 0, relationshipsDeleted: 0, constraintsAdded: 0, nodesDeleted: 0, indexesAdded: 0, labelsAdded: 1, relationshipsCreated: 0, time: 0} |
-1 |
{constraintsRemoved: 0, indexesRemoved: 0, nodesCreated: 0, rows: 0, propertiesSet: 1, labelsRemoved: 0, relationshipsDeleted: 0, constraintsAdded: 0, nodesDeleted: 0, indexesAdded: 0, labelsAdded: 0, relationshipsCreated: 1, time: 0} |
如果我们不想查看每条 Cypher 语句的统计信息,可以将 statistics 设置为 false
CALL apoc.cypher.runMany(
'CREATE (n:Node {name:$name});
MATCH (n {name:$name})
CREATE (n)-[:X {name:$name2}]->(n);',
{name:"John", name2:"Doe"},
{statistics: false}
);
| row | 结果 |
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