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Feature/memgraph user collection isolation (#510)

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* User/collection processing in memgraph

* Update tests
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cybermaggedon 2025-09-10 22:11:35 +01:00 • committed by GitHub
parent c694b12e9c
commit 7f57bc6a0a
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5 changed files with 1028 additions and 116 deletions
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84
trustgraph-flow/trustgraph/query/triples/memgraph/service.py
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@ -55,6 +55,10 @@ class Processor(TriplesQueryService):
try:
# Extract user and collection, use defaults if not provided
user = query.user if query.user else "default"
collection = query.collection if query.collection else "default"
triples = []
if query.s is not None:
@ -64,10 +68,13 @@ class Processor(TriplesQueryService):
# SPO
records, summary, keys = self.io.execute_query(
"MATCH (src:Node {uri: $src})-[rel:Rel {uri: $rel}]->(dest:Literal {value: $value}) "
"MATCH (src:Node {uri: $src, user: $user, collection: $collection})-"
"[rel:Rel {uri: $rel, user: $user, collection: $collection}]->"
"(dest:Literal {value: $value, user: $user, collection: $collection}) "
"RETURN $src as src "
"LIMIT " + str(query.limit),
src=query.s.value, rel=query.p.value, value=query.o.value,
user=user, collection=collection,
database_=self.db,
)
@ -75,10 +82,13 @@ class Processor(TriplesQueryService):
triples.append((query.s.value, query.p.value, query.o.value))
records, summary, keys = self.io.execute_query(
"MATCH (src:Node {uri: $src})-[rel:Rel {uri: $rel}]->(dest:Node {uri: $uri}) "
"MATCH (src:Node {uri: $src, user: $user, collection: $collection})-"
"[rel:Rel {uri: $rel, user: $user, collection: $collection}]->"
"(dest:Node {uri: $uri, user: $user, collection: $collection}) "
"RETURN $src as src "
"LIMIT " + str(query.limit),
src=query.s.value, rel=query.p.value, uri=query.o.value,
user=user, collection=collection,
database_=self.db,
)
@ -90,10 +100,13 @@ class Processor(TriplesQueryService):
# SP
records, summary, keys = self.io.execute_query(
"MATCH (src:Node {uri: $src})-[rel:Rel {uri: $rel}]->(dest:Literal) "
"MATCH (src:Node {uri: $src, user: $user, collection: $collection})-"
"[rel:Rel {uri: $rel, user: $user, collection: $collection}]->"
"(dest:Literal {user: $user, collection: $collection}) "
"RETURN dest.value as dest "
"LIMIT " + str(query.limit),
src=query.s.value, rel=query.p.value,
user=user, collection=collection,
database_=self.db,
)
@ -102,10 +115,13 @@ class Processor(TriplesQueryService):
triples.append((query.s.value, query.p.value, data["dest"]))
records, summary, keys = self.io.execute_query(
"MATCH (src:Node {uri: $src})-[rel:Rel {uri: $rel}]->(dest:Node) "
"MATCH (src:Node {uri: $src, user: $user, collection: $collection})-"
"[rel:Rel {uri: $rel, user: $user, collection: $collection}]->"
"(dest:Node {user: $user, collection: $collection}) "
"RETURN dest.uri as dest "
"LIMIT " + str(query.limit),
src=query.s.value, rel=query.p.value,
user=user, collection=collection,
database_=self.db,
)
@ -120,10 +136,13 @@ class Processor(TriplesQueryService):
# SO
records, summary, keys = self.io.execute_query(
"MATCH (src:Node {uri: $src})-[rel:Rel]->(dest:Literal {value: $value}) "
"MATCH (src:Node {uri: $src, user: $user, collection: $collection})-"
"[rel:Rel {user: $user, collection: $collection}]->"
"(dest:Literal {value: $value, user: $user, collection: $collection}) "
"RETURN rel.uri as rel "
"LIMIT " + str(query.limit),
src=query.s.value, value=query.o.value,
user=user, collection=collection,
database_=self.db,
)
@ -132,10 +151,13 @@ class Processor(TriplesQueryService):
triples.append((query.s.value, data["rel"], query.o.value))
records, summary, keys = self.io.execute_query(
"MATCH (src:Node {uri: $src})-[rel:Rel]->(dest:Node {uri: $uri}) "
"MATCH (src:Node {uri: $src, user: $user, collection: $collection})-"
"[rel:Rel {user: $user, collection: $collection}]->"
"(dest:Node {uri: $uri, user: $user, collection: $collection}) "
"RETURN rel.uri as rel "
"LIMIT " + str(query.limit),
src=query.s.value, uri=query.o.value,
user=user, collection=collection,
database_=self.db,
)
@ -148,10 +170,13 @@ class Processor(TriplesQueryService):
# S
records, summary, keys = self.io.execute_query(
"MATCH (src:Node {uri: $src})-[rel:Rel]->(dest:Literal) "
"MATCH (src:Node {uri: $src, user: $user, collection: $collection})-"
"[rel:Rel {user: $user, collection: $collection}]->"
"(dest:Literal {user: $user, collection: $collection}) "
"RETURN rel.uri as rel, dest.value as dest "
"LIMIT " + str(query.limit),
src=query.s.value,
user=user, collection=collection,
database_=self.db,
)
@ -160,10 +185,13 @@ class Processor(TriplesQueryService):
triples.append((query.s.value, data["rel"], data["dest"]))
records, summary, keys = self.io.execute_query(
"MATCH (src:Node {uri: $src})-[rel:Rel]->(dest:Node) "
"MATCH (src:Node {uri: $src, user: $user, collection: $collection})-"
"[rel:Rel {user: $user, collection: $collection}]->"
"(dest:Node {user: $user, collection: $collection}) "
"RETURN rel.uri as rel, dest.uri as dest "
"LIMIT " + str(query.limit),
src=query.s.value,
user=user, collection=collection,
database_=self.db,
)
@ -181,10 +209,13 @@ class Processor(TriplesQueryService):
# PO
records, summary, keys = self.io.execute_query(
"MATCH (src:Node)-[rel:Rel {uri: $uri}]->(dest:Literal {value: $value}) "
"MATCH (src:Node {user: $user, collection: $collection})-"
"[rel:Rel {uri: $uri, user: $user, collection: $collection}]->"
"(dest:Literal {value: $value, user: $user, collection: $collection}) "
"RETURN src.uri as src "
"LIMIT " + str(query.limit),
uri=query.p.value, value=query.o.value,
user=user, collection=collection,
database_=self.db,
)
@ -193,10 +224,13 @@ class Processor(TriplesQueryService):
triples.append((data["src"], query.p.value, query.o.value))
records, summary, keys = self.io.execute_query(
"MATCH (src:Node)-[rel:Rel {uri: $uri}]->(dest:Node {uri: $dest}) "
"MATCH (src:Node {user: $user, collection: $collection})-"
"[rel:Rel {uri: $uri, user: $user, collection: $collection}]->"
"(dest:Node {uri: $dest, user: $user, collection: $collection}) "
"RETURN src.uri as src "
"LIMIT " + str(query.limit),
uri=query.p.value, dest=query.o.value,
user=user, collection=collection,
database_=self.db,
)
@ -209,10 +243,13 @@ class Processor(TriplesQueryService):
# P
records, summary, keys = self.io.execute_query(
"MATCH (src:Node)-[rel:Rel {uri: $uri}]->(dest:Literal) "
"MATCH (src:Node {user: $user, collection: $collection})-"
"[rel:Rel {uri: $uri, user: $user, collection: $collection}]->"
"(dest:Literal {user: $user, collection: $collection}) "
"RETURN src.uri as src, dest.value as dest "
"LIMIT " + str(query.limit),
uri=query.p.value,
user=user, collection=collection,
database_=self.db,
)
@ -221,10 +258,13 @@ class Processor(TriplesQueryService):
triples.append((data["src"], query.p.value, data["dest"]))
records, summary, keys = self.io.execute_query(
"MATCH (src:Node)-[rel:Rel {uri: $uri}]->(dest:Node) "
"MATCH (src:Node {user: $user, collection: $collection})-"
"[rel:Rel {uri: $uri, user: $user, collection: $collection}]->"
"(dest:Node {user: $user, collection: $collection}) "
"RETURN src.uri as src, dest.uri as dest "
"LIMIT " + str(query.limit),
uri=query.p.value,
user=user, collection=collection,
database_=self.db,
)
@ -239,10 +279,13 @@ class Processor(TriplesQueryService):
# O
records, summary, keys = self.io.execute_query(
"MATCH (src:Node)-[rel:Rel]->(dest:Literal {value: $value}) "
"MATCH (src:Node {user: $user, collection: $collection})-"
"[rel:Rel {user: $user, collection: $collection}]->"
"(dest:Literal {value: $value, user: $user, collection: $collection}) "
"RETURN src.uri as src, rel.uri as rel "
"LIMIT " + str(query.limit),
value=query.o.value,
user=user, collection=collection,
database_=self.db,
)
@ -251,10 +294,13 @@ class Processor(TriplesQueryService):
triples.append((data["src"], data["rel"], query.o.value))
records, summary, keys = self.io.execute_query(
"MATCH (src:Node)-[rel:Rel]->(dest:Node {uri: $uri}) "
"MATCH (src:Node {user: $user, collection: $collection})-"
"[rel:Rel {user: $user, collection: $collection}]->"
"(dest:Node {uri: $uri, user: $user, collection: $collection}) "
"RETURN src.uri as src, rel.uri as rel "
"LIMIT " + str(query.limit),
uri=query.o.value,
user=user, collection=collection,
database_=self.db,
)
@ -267,9 +313,12 @@ class Processor(TriplesQueryService):
# *
records, summary, keys = self.io.execute_query(
"MATCH (src:Node)-[rel:Rel]->(dest:Literal) "
"MATCH (src:Node {user: $user, collection: $collection})-"
"[rel:Rel {user: $user, collection: $collection}]->"
"(dest:Literal {user: $user, collection: $collection}) "
"RETURN src.uri as src, rel.uri as rel, dest.value as dest "
"LIMIT " + str(query.limit),
user=user, collection=collection,
database_=self.db,
)
@ -278,9 +327,12 @@ class Processor(TriplesQueryService):
triples.append((data["src"], data["rel"], data["dest"]))
records, summary, keys = self.io.execute_query(
"MATCH (src:Node)-[rel:Rel]->(dest:Node) "
"MATCH (src:Node {user: $user, collection: $collection})-"
"[rel:Rel {user: $user, collection: $collection}]->"
"(dest:Node {user: $user, collection: $collection}) "
"RETURN src.uri as src, rel.uri as rel, dest.uri as dest "
"LIMIT " + str(query.limit),
user=user, collection=collection,
database_=self.db,
)