Fix benchmark failure: Transaction implementation was a broken stub #4
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Adding CLAUDE.md with task information for AI processing. This file will be removed when the task is complete. Issue: #3
The Transaction wrapper was a stub that didn't actually perform any database operations: - create_links: returned empty handler without creating anything - delete_links: always returned Err(NotExists) without checking DB This caused the delete benchmark to panic with NotExists(4000) because: 1. Neo4j_NonTransaction completed successfully (used real Client) 2. Neo4j_Transaction failed immediately (used broken stub) Solution: - Made Client's CypherResponse types and execute_cypher method public - Added public accessor methods for Client fields - Rewrote Transaction to delegate all operations to underlying Client Now both Transaction and NonTransaction benchmarks use the same Neo4j HTTP API, providing meaningful comparison data. Fixes #3 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
Documents the investigation and root cause analysis for Issue #3: - Timeline of events with CI run IDs - Technical analysis of the failure - Root cause identification - Solution explanation - Archived CI logs from failed runs 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
konard
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This reverts commit dec6d65.
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Summary
Fixes the benchmark failure reported in #3 where the delete benchmark panicked with
NotExists(4000).Root Cause
The
Transactionwrapper inrust/src/transaction.rswas a non-functional stub:create_links()returned success without creating anything in Neo4jdelete_links()always returnedErr(NotExists(id))regardless of actual dataThis caused the delete benchmark to fail for
Neo4j_Transactionbecause no links were ever created, so all delete operations failed.Solution
Changes
rust/src/client.rsCypherResponse,QueryResult,RowData,CypherErrorpublic; added accessor methodsrust/src/transaction.rsdocs/case-studies/issue-3/Technical Note
The Transaction and NonTransaction benchmarks will now produce similar results since the HTTP API (
/db/neo4j/tx/commit) auto-commits each request. For true transactional semantics, multi-request transaction endpoints would need to be used.Test Plan
cargo check --benches)Fixes #3
🤖 Generated with Claude Code