command = ''' MERGE (src_node:%s{name:$src_profile_id,project: $project }) WITH src_node UNWIND $peer_profiles AS peer_profile MERGE (peer_node:%s { name: peer_profile.profile_id,project: $project }) MERGE (src_node)<-[r:peer]-(peer_node) ON CREATE SET r.update_time=peer_pro...
UNWIND WHERE DELETE REMOVE SET UNION UNION ALL LIMIT SKIP FOREACH MERGE ON CREATE ON MATCH CALL CALL PROCEDURE YIELD子句 USE LOAD CSV USING PERIODIC COMMIT 函数 SHOW FUNCTIONS 判断函数 all() any() exists() isEmpty() none() single() 标量函数 coalesce() endNode() head() id() last() ...
生成一个 UNWIND 语句,将记录组合在一起以获得更好的性能 不使用任何事务,只使用隐式事务(自动提交); 选择此项无论什么情况都会创建新的节点; Only create relationships:是否仅创建节点关系 选择后,节点信息不会更新; 源节点和目标节点的Perform lookups only,do not update the "from" nodes选项不可用 ...
The following query exports the whole database toall.cypherin the defaultcypher-shellformat using the defaultUNWIND_BATCHoptimization 下面的查询导出整个数据库到 a.c 文件,以默认的 c-s 格式并使用默认 U_B 优化。 // default config populated for illustration CALL apoc.export.cypher.all("all.cypher...
northwind/options.json \ --quote '"' --force Additional command line options for `cypher:batch` and `cypher:fromSQL` import modes: --unwindBatchSize <value> (Batch size that will be used for unwind data) \ --txBatchSize <value> (Transaction Batch size that will be used for unwind ...
Neo4j教程：基础到高级概念说明书
value MERGE (p:Person {name: value.name}) SET p.age = value.age WITH p, value UNWIND ...
UNWIND [0] AS x CALL { USE graph.byElementId($elementId) RETURN 1 AS one } RETURN one Fixed a bug where returning a node from a query would result inkey not found: VariableSlotKeyerror. Fix an instance ofType mismatch: expected a map but was nullthat could happen for queries using ...
And restricted users to also be unable to see the comments. 71 Copyright © 2019 Neo4j, Inc. // Delete current model MATCH (n) DETACH DELETE n; // Create Person nodes UNWIND range( 0, 10 ) AS index WITH index, toInteger( rand() * 10 ) AS cat, ...
"operatorType": "Unwind@neo4j", "identifiers": [ "row", "contigUuid" ], "arguments": { "Details": "row.contig_uuid AS contigUuid", "Id": { "low": 14, "high": 0 }, "EstimatedRows": 100, "PipelineInfo": "Fused in Pipeline 2" ...