Skip to content

Aggregate entity and relation usage counts in ontology views to avoid correlated table scans #1088

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
WaylandYang merged 1 commit into from
Oct 5, 2026
Merged

Aggregate entity and relation usage counts in ontology views to avoid correlated table scans #1088

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 6 additions & 7 deletions crates/utopia-server/src/api/ontology_routes.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -30,13 +30,12 @@ pub async fn get(
Path(kb_id): Path<Uuid>,
) -> ApiResult<Json<serde_json::Value>> {
require_kb(&state, &user, kb_id, Role::Viewer).await?;
let entity_types = utopia_store::ontology::entity_type_views(&state.pool, kb_id).await?;
let relation_types = utopia_store::ontology::relation_type_views(&state.pool, kb_id).await?;
let misses = utopia_store::ontology::list_misses(&state.pool, kb_id).await?;
// 已忽略的单列一路：抑制照旧（提案与自动扩本体只看上面那份），
// 但让人看得见抑制掉了什么、现在涨到多少
let dismissed_misses =
utopia_store::ontology::list_dismissed_misses(&state.pool, kb_id).await?;
let (entity_types, relation_types, misses, dismissed_misses) = tokio::try_join!(
utopia_store::ontology::entity_type_views(&state.pool, kb_id),
utopia_store::ontology::relation_type_views(&state.pool, kb_id),
utopia_store::ontology::list_misses(&state.pool, kb_id),
utopia_store::ontology::list_dismissed_misses(&state.pool, kb_id),
)?;
Ok(Json(json!({
"entity_types": entity_types,
"relation_types": relation_types,
Expand Down
24 changes: 18 additions & 6 deletions crates/utopia-store/src/ontology.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -19,9 +19,15 @@ pub async fn entity_type_views(pool: &PgPool, kb_id: Uuid) -> AppResult<Vec<Enti
WHERE p.child_id = t.id AND p.is_primary) AS primary_parent,
ARRAY(SELECT d.b_id FROM entity_type_disjoint d
WHERE d.kb_id = t.kb_id AND d.a_id = t.id) AS disjoint,
(SELECT count(*) FROM entities e
WHERE e.type_id = t.id AND e.merged_into IS NULL) AS usage
FROM entity_types t WHERE t.kb_id = $1 ORDER BY lower(t.label)",
COALESCE(u.usage, 0) AS usage
FROM entity_types t
LEFT JOIN (
SELECT type_id, count(*)::bigint AS usage
FROM entities
WHERE kb_id = $1 AND merged_into IS NULL AND type_id IS NOT NULL
GROUP BY type_id
) u ON u.type_id = t.id
WHERE t.kb_id = $1 ORDER BY lower(t.label)",
)
.bind(kb_id)
.fetch_all(pool)
Expand Down Expand Up @@ -86,9 +92,15 @@ pub async fn relation_type_views(pool: &PgPool, kb_id: Uuid) -> AppResult<Vec<Re
WHERE g.relation_type_id = r.id) AS ranges,
ARRAY(SELECT q.qualifier_type_id FROM relation_type_qualifiers q
WHERE q.relation_type_id = r.id) AS qualifiers,
(SELECT count(*) FROM facts f
WHERE f.predicate_id = r.id AND f.invalidated_at IS NULL) AS usage
FROM relation_types r WHERE r.kb_id = $1 ORDER BY lower(r.label)",
COALESCE(u.usage, 0) AS usage
FROM relation_types r
LEFT JOIN (
SELECT predicate_id, count(*)::bigint AS usage
FROM facts
WHERE kb_id = $1 AND invalidated_at IS NULL AND predicate_id IS NOT NULL
GROUP BY predicate_id
) u ON u.predicate_id = r.id
WHERE r.kb_id = $1 ORDER BY lower(r.label)",
)
.bind(kb_id)
.fetch_all(pool)
Expand Down
Loading