Staging

[gkorland]

Summary by CodeRabbit

• New Features

  • None

• Improvements

  • Increased timeouts for complex graph queries to reduce premature failures.
  • Improved resilience by returning empty results when errors occur instead of failing the operation.

• Performance

  • Reduced the maximum hop limit for connection searches to speed up queries and lower resource usage.

• Bug Fixes

  • Prevented errors during table and connection discovery from causing user-visible failures, improving overall stability.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

In api/graph.py, timeouts were adjusted, error handling was added around async task creation and graph queries, and a hop limit in a path search was reduced. A pylint directive was added. On exceptions, affected functions now log errors and return empty results.

Changes

Cohort / File(s)	Summary
Graph query robustness and timeouts api/graph.py	- Add module-wide pylint disable for broad-except - Increase default _query_graph timeout 120→300s - _find_tables_sphere: wrap task creation and asyncio.gather in try/except; on error, log and return empty set - _find_connecting_tables: reduce allShortestPaths hops 9→6; wrap _query_graph in try/except with 500s timeout; on error, log and return empty

Sequence Diagram(s)

sequenceDiagram
  autonumber
  actor Caller
  participant GraphAPI as api/graph.py
  participant Neo4j as Graph DB

  rect rgb(240,248,255)
    note over GraphAPI: _find_tables_sphere (updated)
    Caller->>GraphAPI: _find_tables_sphere(seed_tables)
    GraphAPI->>GraphAPI: create async tasks
    alt success
      GraphAPI->>Neo4j: parallel queries
      Neo4j-->>GraphAPI: results
      GraphAPI-->>Caller: aggregated tables
    else error
      note over GraphAPI: catch exceptions, log, return empty
      GraphAPI-->>Caller: {}
    end
  end

  rect rgb(245,255,250)
    note over GraphAPI: _find_connecting_tables (updated)
    Caller->>GraphAPI: _find_connecting_tables(a, b)
    GraphAPI->>Neo4j: _query_graph(timeout=500s, hops<=6)
    alt success
      Neo4j-->>GraphAPI: paths
      GraphAPI-->>Caller: connecting tables
    else error
      note over GraphAPI: catch exceptions, log, return empty
      GraphAPI-->>Caller: {}
    end
  end

  rect rgb(255,250,240)
    note over GraphAPI: _query_graph (updated)
    Caller->>GraphAPI: _query_graph(query, timeout=300s default)
    GraphAPI->>Neo4j: execute with increased timeout
    Neo4j-->>GraphAPI: results or error
  end

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Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Poem

I nudge the graph with whiskered care,
Time stretches long, but never snare;
Six hops now, not nine to roam,
If storms arise, I scamper home.
Logs will tell where shadows grew—
Empty paws, but clear and true. 🐇✨

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📥 Commits

Reviewing files that changed from the base of the PR and between 9ebf738 and aa1ee7f.

📒 Files selected for processing (1)

• api/graph.py (5 hunks)

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[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None