Sim

Neo4j

Connect to Neo4j graph database

Usage Instructions

Integrate Neo4j graph database into the workflow. Can query, create, merge, update, and delete nodes and relationships.

Tools

neo4j_query

Execute MATCH queries to read nodes and relationships from Neo4j graph database. For best performance and to prevent large result sets, include LIMIT in your query (e.g.,

Input

ParameterTypeRequiredDescription
hoststringYesNeo4j server hostname or IP address
portnumberYesNeo4j server port (default: 7687 for Bolt protocol)
databasestringYesDatabase name to connect to
usernamestringYesNeo4j username
passwordstringYesNeo4j password
encryptionstringNoConnection encryption mode (enabled, disabled)
cypherQuerystringYesCypher query to execute (typically MATCH statements)
parametersobjectNoParameters for the Cypher query as a JSON object. Use for any dynamic values including LIMIT (e.g., query: "MATCH (n) RETURN n LIMIT $limit", parameters: {limit: 100}).
parametersstringNoNo description

Output

ParameterTypeDescription
messagestringOperation status message
recordsarrayArray of records returned from the query
recordCountnumberNumber of records returned
summaryjsonQuery execution summary with timing and counters

neo4j_create

Execute CREATE statements to add new nodes and relationships to Neo4j graph database

Input

ParameterTypeRequiredDescription
hoststringYesNeo4j server hostname or IP address
portnumberYesNeo4j server port (default: 7687 for Bolt protocol)
databasestringYesDatabase name to connect to
usernamestringYesNeo4j username
passwordstringYesNeo4j password
encryptionstringNoConnection encryption mode (enabled, disabled)
cypherQuerystringYesCypher CREATE statement to execute
parametersobjectNoParameters for the Cypher query as a JSON object

Output

ParameterTypeDescription
messagestringOperation status message
summaryjsonCreation summary with counters for nodes and relationships created

neo4j_merge

Execute MERGE statements to find or create nodes and relationships in Neo4j (upsert operation)

Input

ParameterTypeRequiredDescription
hoststringYesNeo4j server hostname or IP address
portnumberYesNeo4j server port (default: 7687 for Bolt protocol)
databasestringYesDatabase name to connect to
usernamestringYesNeo4j username
passwordstringYesNeo4j password
encryptionstringNoConnection encryption mode (enabled, disabled)
cypherQuerystringYesCypher MERGE statement to execute
parametersobjectNoParameters for the Cypher query as a JSON object

Output

ParameterTypeDescription
messagestringOperation status message
summaryjsonMerge summary with counters for nodes/relationships created or matched

neo4j_update

Execute SET statements to update properties of existing nodes and relationships in Neo4j

Input

ParameterTypeRequiredDescription
hoststringYesNeo4j server hostname or IP address
portnumberYesNeo4j server port (default: 7687 for Bolt protocol)
databasestringYesDatabase name to connect to
usernamestringYesNeo4j username
passwordstringYesNeo4j password
encryptionstringNoConnection encryption mode (enabled, disabled)
cypherQuerystringYesCypher query with MATCH and SET statements to update properties
parametersobjectNoParameters for the Cypher query as a JSON object

Output

ParameterTypeDescription
messagestringOperation status message
summaryjsonUpdate summary with counters for properties set

neo4j_delete

Execute DELETE or DETACH DELETE statements to remove nodes and relationships from Neo4j

Input

ParameterTypeRequiredDescription
hoststringYesNeo4j server hostname or IP address
portnumberYesNeo4j server port (default: 7687 for Bolt protocol)
databasestringYesDatabase name to connect to
usernamestringYesNeo4j username
passwordstringYesNeo4j password
encryptionstringNoConnection encryption mode (enabled, disabled)
cypherQuerystringYesCypher query with MATCH and DELETE/DETACH DELETE statements
parametersobjectNoParameters for the Cypher query as a JSON object
detachbooleanNoWhether to use DETACH DELETE to remove relationships before deleting nodes

Output

ParameterTypeDescription
messagestringOperation status message
summaryjsonDelete summary with counters for nodes and relationships deleted

neo4j_execute

Execute arbitrary Cypher queries on Neo4j graph database for complex operations

Input

ParameterTypeRequiredDescription
hoststringYesNeo4j server hostname or IP address
portnumberYesNeo4j server port (default: 7687 for Bolt protocol)
databasestringYesDatabase name to connect to
usernamestringYesNeo4j username
passwordstringYesNeo4j password
encryptionstringNoConnection encryption mode (enabled, disabled)
cypherQuerystringYesCypher query to execute (any valid Cypher statement)
parametersobjectNoParameters for the Cypher query as a JSON object

Output

ParameterTypeDescription
messagestringOperation status message
recordsarrayArray of records returned from the query
recordCountnumberNumber of records returned
summaryjsonExecution summary with timing and counters

Notes

  • Category: tools
  • Type: neo4j
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