apunkt/trustgraph
1
0
Fork 0
mirror of https://github.com/trustgraph-ai/trustgraph.git synced 2026-07-14 07:42:11 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

fix: index literal objects in entity table for object-based graph queries (#1042)

Browse source 
Literal objects (e.g. rdfs:label values) were not being inserted into the
quads_by_entity table with role='O', so queries like `tg-query-graph -o
MIL-HDBK-516D` returned no results even though the triple existed.

Removed the otype guard that skipped entity row insertion for literals in
both insert() and async_insert(). Also updated delete_collection() and
async_delete_collection() to include literal objects in entity partition
cleanup.

Existing data requires re-ingestion for old literal objects to become
queryable by object value.
This commit is contained in:
cybermaggedon 2026-07-13 21:11:01 +01:00 • committed by GitHub
parent 35fc8444ec
commit f9f5a2318f
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
3 changed files with 141 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

22
trustgraph-flow/trustgraph/direct/cassandra_kg.py
View file

@ -776,11 +776,10 @@ class EntityCentricKnowledgeGraph:
collection, p, 'P', p, otype, s, o, g, dtype, lang
))
# Write row for object entity (role='O') - only for URIs, not literals
if otype == 'u' or otype == 't':
batch.add(self.insert_entity_stmt, (
collection, o, 'O', p, otype, s, o, g, dtype, lang
))
# Write row for object entity (role='O')
batch.add(self.insert_entity_stmt, (
collection, o, 'O', p, otype, s, o, g, dtype, lang
))
# Write row for graph entity (role='G') - only for non-default graphs
if g != DEFAULT_GRAPH:
@ -997,15 +996,10 @@ class EntityCentricKnowledgeGraph:
lang = row.lang if hasattr(row, 'lang') else ''
quads.append((d, s, p, o, otype, dtype, lang))
# Subject and predicate are always entities
entities.add(s)
entities.add(p)
entities.add(o)
# Object is an entity only for URIs
if otype == 'u' or otype == 't':
entities.add(o)
# Graph is an entity for non-default graphs
if d != DEFAULT_GRAPH:
entities.add(d)
@ -1067,8 +1061,7 @@ class EntityCentricKnowledgeGraph:
batch = BatchStatement()
batch.add(self.insert_entity_stmt, (collection, s, 'S', p, otype, s, o, g, dtype, lang))
batch.add(self.insert_entity_stmt, (collection, p, 'P', p, otype, s, o, g, dtype, lang))
if otype == 'u' or otype == 't':
batch.add(self.insert_entity_stmt, (collection, o, 'O', p, otype, s, o, g, dtype, lang))
batch.add(self.insert_entity_stmt, (collection, o, 'O', p, otype, s, o, g, dtype, lang))
if g != DEFAULT_GRAPH:
batch.add(self.insert_entity_stmt, (collection, g, 'G', p, otype, s, o, g, dtype, lang))
batch.add(self.insert_collection_stmt, (collection, g, s, p, o, otype, dtype, lang))
@ -1233,8 +1226,7 @@ class EntityCentricKnowledgeGraph:
quads.append((d, s, p, o, otype, dtype, lang))
entities.add(s)
entities.add(p)
if otype == 'u' or otype == 't':
entities.add(o)
entities.add(o)
if d != DEFAULT_GRAPH:
entities.add(d)