py2neo.cypher.queries – Cypher Query Generation Functions

py2neo.cypher.queries.unwind_create_nodes_query(data, labels=None, keys=None)[source]

Generate a parameterised UNWIND...CREATE query for bulk loading nodes into Neo4j.

Parameters:
  • data –
  • labels –
  • keys –
Returns:

(query, parameters) tuple
py2neo.cypher.queries.unwind_create_relationships_query(data, rel_type, start_node_key=None, end_node_key=None, keys=None)[source]

Generate a parameterised UNWIND...CREATE query for bulk loading relationships into Neo4j.

Parameters:
  • data –
  • rel_type –
  • start_node_key –
  • end_node_key –
  • keys –
Returns:

(query, parameters) tuple
py2neo.cypher.queries.unwind_merge_nodes_query(data, merge_key, labels=None, keys=None)[source]

Generate a parameterised UNWIND...MERGE query for bulk loading nodes into Neo4j.

Parameters:
  • data –
  • merge_key –
  • labels –
  • keys –
Returns:

(query, parameters) tuple
py2neo.cypher.queries.unwind_merge_relationships_query(data, merge_key, start_node_key=None, end_node_key=None, keys=None)[source]

Generate a parameterised UNWIND...MERGE query for bulk loading relationships into Neo4j.

Parameters:
  • data –
  • merge_key – tuple of (rel_type, key1, key2…)
  • start_node_key –
  • end_node_key –
  • keys –
Returns:

(query, parameters) tuple