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