cypher Module¶
Cypher Query Language
- py2neo.cypher.execute(graph_db, query, params=None, row_handler=None, metadata_handler=None, error_handler=None)[source]¶
Execute a Cypher query against a database and return a tuple of rows and metadata. If handlers are supplied, an empty list of rows is returned instead, with each row being passed to the row_handler as it becomes available. Each row is passed as a list of values which may be either Nodes, Relationships or properties.
Parameters: - graph_db – the graph database against which to execute this query
- query – the Cypher query to execute
- params – parameters to apply to the query provided
- row_handler – a handler function for each row returned
- metadata_handler – a handler function for returned metadata
- error_handler – a handler function for error conditions
