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wip fix quick start issues

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This commit is contained in:
DavIvek 2025-09-08 16:26:22 +02:00
parent 0f9dd11cc8
commit b0d0041429
3 changed files with 69 additions and 48 deletions
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59
graphiti_core/driver/memgraph_driver.py
View file

@ -18,7 +18,7 @@ import logging
from collections.abc import Coroutine
from typing import Any
from neo4j import AsyncGraphDatabase, EagerResult
from neo4j import GraphDatabase
from typing_extensions import LiteralString
from graphiti_core.driver.driver import GraphDriver, GraphDriverSession, GraphProvider
@ -31,37 +31,54 @@ class MemgraphDriver(GraphDriver):
def __init__(self, uri: str, user: str | None, password: str | None, database: str = 'memgraph'):
super().__init__()
self.client = AsyncGraphDatabase.driver(
self.client = GraphDatabase.driver(
uri=uri,
auth=(user or '', password or ''),
)
self._database = database
async def execute_query(self, cypher_query_: LiteralString, **kwargs: Any) -> EagerResult:
# Check if database_ is provided in kwargs.
# If not populated, set the value to retain backwards compatibility
async def execute_query(self, cypher_query_: LiteralString, **kwargs: Any) -> tuple[list, Any, Any]:
"""
Execute a Cypher query against Memgraph using implicit transactions.
Returns a tuple of (records, summary, keys) for compatibility with the GraphDriver interface.
"""
# Extract parameters from kwargs
params = kwargs.pop('params', None)
if params is None:
params = {}
params.setdefault('database_', self._database)
try:
result = await self.client.execute_query(cypher_query_, parameters_=params, **kwargs)
except Exception as e:
logger.error(f'Error executing Memgraph query: {e}\n{cypher_query_}\n{params}')
raise
return result
# If no 'params' key, use the remaining kwargs as parameters
# but first extract database-specific parameters
database = kwargs.pop('database_', self._database)
kwargs.pop('parameters_', None) # Remove if present (Neo4j async driver param)
# All remaining kwargs are query parameters
params = kwargs
else:
# Extract database parameter if params was provided separately
database = kwargs.pop('database_', self._database)
kwargs.pop('parameters_', None) # Remove if present
with self.client.session(database=database) as session:
try:
# Debug: Print the query and parameters
print(f"DEBUG - Memgraph Query: {cypher_query_}")
print(f"DEBUG - Memgraph Params: {params}")
result = session.run(cypher_query_, params)
records = list(result)
summary = result.consume()
keys = result.keys()
return (records, summary, keys)
except Exception as e:
logger.error(f'Error executing Memgraph query: {e}\n{cypher_query_}\n{params}')
raise
def session(self, database: str | None = None) -> GraphDriverSession:
_database = database or self._database
return self.client.session(database=_database) # type: ignore
async def close(self) -> None:
return await self.client.close()
return self.client.close()
def delete_all_indexes(self) -> Coroutine[Any, Any, EagerResult]:
# TODO
return self.client.execute_query(
'SHOW INDEX INFO;',
)
def delete_all_indexes(self) -> Coroutine[Any, Any, Any]:
# TODO: Implement index deletion for Memgraph
raise NotImplementedError("Index deletion not implemented for MemgraphDriver")

54
graphiti_core/graph_queries.py
View file

@ -47,26 +47,26 @@ def get_range_indices(provider: GraphProvider) -> list[LiteralString]:
if provider == GraphProvider.MEMGRAPH:
return [
'CREATE INDEX ON :Entity(uuid)',
'CREATE INDEX ON :Entity(group_id)',
'CREATE INDEX ON :Entity(name)',
'CREATE INDEX ON :Entity(created_at)',
'CREATE INDEX ON :Episodic(uuid)',
'CREATE INDEX ON :Episodic(group_id)',
'CREATE INDEX ON :Episodic(created_at)',
'CREATE INDEX ON :Episodic(valid_at)',
'CREATE INDEX ON :Community(uuid)',
'CREATE INDEX ON :Community(group_id)',
'CREATE INDEX ON :RELATES_TO(uuid)',
'CREATE INDEX ON :RELATES_TO(group_id)',
'CREATE INDEX ON :RELATES_TO(name)',
'CREATE INDEX ON :RELATES_TO(created_at)',
'CREATE INDEX ON :RELATES_TO(expired_at)',
'CREATE INDEX ON :RELATES_TO(valid_at)',
'CREATE INDEX ON :RELATES_TO(invalid_at)',
'CREATE INDEX ON :MENTIONS(uuid)',
'CREATE INDEX ON :MENTIONS(group_id)',
'CREATE INDEX ON :HAS_MEMBER(uuid)',
'CREATE INDEX ON :Entity(uuid);',
'CREATE INDEX ON :Entity(group_id);',
'CREATE INDEX ON :Entity(name);',
'CREATE INDEX ON :Entity(created_at);',
'CREATE INDEX ON :Episodic(uuid);',
'CREATE INDEX ON :Episodic(group_id);',
'CREATE INDEX ON :Episodic(created_at);',
'CREATE INDEX ON :Episodic(valid_at);',
'CREATE INDEX ON :Community(uuid);',
'CREATE INDEX ON :Community(group_id);',
'CREATE INDEX ON :RELATES_TO(uuid);',
'CREATE INDEX ON :RELATES_TO(group_id);',
'CREATE INDEX ON :RELATES_TO(name);',
'CREATE INDEX ON :RELATES_TO(created_at);',
'CREATE INDEX ON :RELATES_TO(expired_at);',
'CREATE INDEX ON :RELATES_TO(valid_at);',
'CREATE INDEX ON :RELATES_TO(invalid_at);',
'CREATE INDEX ON :MENTIONS(uuid);',
'CREATE INDEX ON :MENTIONS(group_id);',
'CREATE INDEX ON :HAS_MEMBER(uuid);',
]
return [
@ -112,10 +112,10 @@ def get_fulltext_indices(provider: GraphProvider) -> list[LiteralString]:
if provider == GraphProvider.MEMGRAPH:
return [
"""CREATE TEXT INDEX episode_content ON :Episodic(content, source, source_description, group_id)""",
"""CREATE TEXT INDEX node_name_and_summary ON :Entity(name, summary, group_id)""",
"""CREATE TEXT INDEX community_name ON :Community(name, group_id)""",
"""CREATE TEXT EDGE INDEX edge_name_and_fact ON :RELATES_TO(name, fact, group_id)""",
"""CREATE TEXT INDEX episode_content ON :Episodic(content, source, source_description, group_id);""",
"""CREATE TEXT INDEX node_name_and_summary ON :Entity(name, summary, group_id);""",
"""CREATE TEXT INDEX community_name ON :Community(name, group_id);""",
"""CREATE TEXT EDGE INDEX edge_name_and_fact ON :RELATES_TO(name, fact, group_id);""",
]
return [
@ -140,7 +140,7 @@ def get_nodes_query(name: str, query: str, limit: int, provider: GraphProvider)
return f"CALL QUERY_FTS_INDEX('{label}', '{name}', {query}, TOP := $limit)"
if provider == GraphProvider.MEMGRAPH:
return f'CALL text_search.search("{name}", {query}) YIELD node RETURN node LIMIT $limit'
return f'CALL text_search.search("{name}", {query}) YIELD node'
return f'CALL db.index.fulltext.queryNodes("{name}", {query}, {{limit: $limit}})'
@ -154,7 +154,7 @@ def get_vector_cosine_func_query(vec1, vec2, provider: GraphProvider) -> str:
return f'array_cosine_similarity({vec1}, {vec2})'
if provider == GraphProvider.MEMGRAPH:
return "TODO"
return f'CALL vector_search.cosine_similarity({vec1}, {vec2}) YIELD similarity RETURN similarity AS score'
return f'vector.similarity.cosine({vec1}, {vec2})'
@ -169,6 +169,6 @@ def get_relationships_query(name: str, limit: int, provider: GraphProvider) -> s
return f"CALL QUERY_FTS_INDEX('{label}', '{name}', cast($query AS STRING), TOP := $limit)"
if provider == GraphProvider.MEMGRAPH:
return f'CALL text_search.search("{name}", $query) YIELD node RETURN node LIMIT $limit'
return f'CALL text_search.search_edges("{name}", $query) YIELD node'
return f'CALL db.index.fulltext.queryRelationships("{name}", $query, {{limit: $limit}})'

4
graphiti_core/search/search_utils.py
View file

@ -562,6 +562,8 @@ async def node_fulltext_search(
yield_query = 'YIELD node AS n, score'
if driver.provider == GraphProvider.KUZU:
yield_query = 'WITH node AS n, score'
elif driver.provider == GraphProvider.MEMGRAPH:
yield_query = ' WITH node AS n, 1.0 AS score' # Memgraph: continue from YIELD node
if driver.provider == GraphProvider.NEPTUNE:
res = driver.run_aoss_query('node_name_and_summary', query, limit=limit) # pyright: ignore reportAttributeAccessIssue
@ -968,6 +970,8 @@ async def community_fulltext_search(
yield_query = 'YIELD node AS c, score'
if driver.provider == GraphProvider.KUZU:
yield_query = 'WITH node AS c, score'
elif driver.provider == GraphProvider.MEMGRAPH:
yield_query = ' WITH node AS c, 1.0 AS score' # Memgraph: continue from YIELD node
if driver.provider == GraphProvider.NEPTUNE:
res = driver.run_aoss_query('community_name', query, limit=limit) # pyright: ignore reportAttributeAccessIssue