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4a31b1e815ccea0851966376367e69c84069be07
cameleer-server/.planning/phases/02-transaction-search-diagrams/02-01-SUMMARY.md
hsiegeln 4a31b1e815 docs(02-01): complete schema extension and core domain types plan 
- 02-01-SUMMARY.md with task commits, deviations, and self-check
- STATE.md updated to Phase 2 Plan 1 complete
- ROADMAP.md progress updated (Phase 1 complete, Phase 2 1/3)
- REQUIREMENTS.md: SRCH-01 through SRCH-05, DIAG-01, DIAG-02 marked complete

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-11 16:18:08 +01:00

8.8 KiB
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phase, plan, subsystem, tags, requires, provides, affects, tech-stack, key-files, key-decisions, patterns-established, requirements-completed, duration, completed
phase plan subsystem tags requires provides affects tech-stack key-files key-decisions patterns-established requirements-completed duration completed
02-transaction-search-diagrams 01 database, api
clickhouse
search
ingestion
parallel-arrays
tree-reconstruction
phase provides
01-ingestion-api ClickHouse schema, ExecutionRepository, AbstractClickHouseIT, ingestion pipeline
ClickHouse schema extension with 12 Phase 2 columns and skip indexes
SearchEngine interface for swappable search backends
SearchRequest/SearchResult/ExecutionSummary core domain types
DetailService with processor tree reconstruction from flat arrays
Extended ingestion populating exchange data, tree metadata, diagram hash columns
02-02-search-endpoints
02-03-detail-diagram-endpoints
added patterns
FlatProcessor-with-metadata DFS
SearchEngine-abstraction
tree-reconstruction-from-parallel-arrays
created modified
clickhouse/init/02-search-columns.sql
cameleer3-server-core/src/main/java/com/cameleer3/server/core/search/SearchRequest.java
cameleer3-server-core/src/main/java/com/cameleer3/server/core/search/SearchResult.java
cameleer3-server-core/src/main/java/com/cameleer3/server/core/search/ExecutionSummary.java
cameleer3-server-core/src/main/java/com/cameleer3/server/core/search/SearchEngine.java
cameleer3-server-core/src/main/java/com/cameleer3/server/core/search/SearchService.java
cameleer3-server-core/src/main/java/com/cameleer3/server/core/detail/DetailService.java
cameleer3-server-core/src/main/java/com/cameleer3/server/core/detail/ExecutionDetail.java
cameleer3-server-core/src/main/java/com/cameleer3/server/core/detail/ProcessorNode.java
cameleer3-server-core/src/main/java/com/cameleer3/server/core/detail/RawExecutionRow.java
cameleer3-server-core/src/main/java/com/cameleer3/server/core/diagram/DiagramRenderer.java
cameleer3-server-core/src/main/java/com/cameleer3/server/core/diagram/DiagramLayout.java
cameleer3-server-app/src/test/java/com/cameleer3/server/app/storage/IngestionSchemaIT.java
cameleer3-server-core/src/main/java/com/cameleer3/server/core/storage/ExecutionRepository.java
cameleer3-server-app/src/main/java/com/cameleer3/server/app/storage/ClickHouseExecutionRepository.java
cameleer3-server-app/src/test/java/com/cameleer3/server/app/AbstractClickHouseIT.java
FlatProcessor record captures depth and parentIndex during DFS traversal
Exchange bodies/headers concatenated into single String columns for LIKE search
Headers serialized to JSON via Jackson ObjectMapper (static instance)
DiagramRenderer/DiagramLayout stubs created to resolve pre-existing compilation blocker
FlatProcessor DFS: flatten processor tree with metadata (depth, parentIndex) in one pass
SearchEngine abstraction: interface in core module, implementation in app module (ClickHouse now, OpenSearch later)
RawExecutionRow: intermediate record between DB row and domain object for tree reconstruction
SRCH-01
SRCH-02
SRCH-03
SRCH-04
SRCH-05
DIAG-01
DIAG-02
13min 2026-03-11

Phase 2 Plan 01: Schema Extension + Core Domain Types Summary

ClickHouse schema extended with 12 search/detail columns, SearchEngine abstraction for swappable backends, and ingestion populating tree metadata + exchange data

Performance

  • Duration: 13 min
  • Started: 2026-03-11T15:03:14Z
  • Completed: 2026-03-11T15:15:47Z
  • Tasks: 2
  • Files modified: 15

Accomplishments

  • Extended ClickHouse route_executions table with 12 new columns for exchange data, processor tree metadata, and diagram linking
  • Created complete search domain layer: SearchEngine interface, SearchRequest, SearchResult, ExecutionSummary, SearchService
  • Created complete detail domain layer: DetailService with tree reconstruction, ProcessorNode, ExecutionDetail, RawExecutionRow
  • Refactored ingestion to populate all new columns with correct DFS tree metadata (depth, parentIndex)
  • Added tokenbf_v1 skip indexes on exchange_bodies, exchange_headers, and error_stacktrace for full-text search
  • 3 integration tests verify tree metadata correctness, exchange body concatenation, and null snapshot handling

Task Commits

Each task was committed atomically:

  1. Task 1: Schema extension and core domain types - 0442595 (feat)
  2. Task 2: Update ingestion (TDD RED) - c092243 (test)
  3. Task 2: Update ingestion (TDD GREEN) - f6ff279 (feat)

Files Created/Modified

  • clickhouse/init/02-search-columns.sql - ALTER TABLE adding 12 columns + 3 skip indexes
  • cameleer3-server-core/.../search/SearchRequest.java - Immutable search criteria record with validation
  • cameleer3-server-core/.../search/SearchResult.java - Paginated result envelope
  • cameleer3-server-core/.../search/ExecutionSummary.java - Lightweight list-view DTO
  • cameleer3-server-core/.../search/SearchEngine.java - Swappable search backend interface
  • cameleer3-server-core/.../search/SearchService.java - Search orchestration layer
  • cameleer3-server-core/.../detail/DetailService.java - Tree reconstruction from flat arrays
  • cameleer3-server-core/.../detail/ExecutionDetail.java - Full execution detail record
  • cameleer3-server-core/.../detail/ProcessorNode.java - Nested tree node (mutable children)
  • cameleer3-server-core/.../detail/RawExecutionRow.java - DB-to-domain intermediate record
  • cameleer3-server-core/.../diagram/DiagramRenderer.java - Diagram rendering interface (stub)
  • cameleer3-server-core/.../diagram/DiagramLayout.java - JSON layout record (stub)
  • cameleer3-server-core/.../storage/ExecutionRepository.java - Extended with findRawById
  • cameleer3-server-app/.../storage/ClickHouseExecutionRepository.java - INSERT extended with 12 new columns
  • cameleer3-server-app/src/test/.../AbstractClickHouseIT.java - Loads 02-search-columns.sql
  • cameleer3-server-app/src/test/.../storage/IngestionSchemaIT.java - 3 integration tests

Decisions Made

  • Used FlatProcessor record to carry depth and parentIndex alongside the ProcessorExecution during DFS flattening -- single pass, no separate traversal
  • Exchange bodies and headers concatenated into single String columns (not Array(String)) for efficient LIKE '%term%' search
  • Headers serialized to JSON strings using a static Jackson ObjectMapper (no Spring injection needed)
  • diagram_content_hash left empty during ingestion (wired at query time or by Plan 03 -- DIAG-02 can be satisfied by joining route_diagrams)
  • Created DiagramRenderer/DiagramLayout stubs in core module to fix pre-existing compilation error from Phase 1 Plan 02

Deviations from Plan

Auto-fixed Issues

1. [Rule 3 - Blocking] Created DiagramRenderer and DiagramLayout stub interfaces

  • Found during: Task 2 (compilation step)
  • Issue: Pre-existing ElkDiagramRenderer in app module referenced DiagramRenderer and DiagramLayout interfaces that did not exist in core module, causing compilation failure
  • Fix: Created minimal stub interfaces in com.cameleer3.server.core.diagram package
  • Files created: DiagramRenderer.java, DiagramLayout.java
  • Verification: mvn compile -pl cameleer3-server-core and mvn compile -pl cameleer3-server-app succeed
  • Committed in: f6ff279 (Task 2 GREEN commit)

2. [Rule 1 - Bug] Fixed ClickHouse Array type handling in IngestionSchemaIT

  • Found during: Task 2 TDD RED phase
  • Issue: ClickHouse JDBC returns com.clickhouse.jdbc.types.Array from queryForList, not java.util.List -- test casts failed with ClassCastException
  • Fix: Created queryArray() helper method using rs.getArray(1).getArray() with proper type dispatch for Object[], short[], int[]
  • Files modified: IngestionSchemaIT.java
  • Verification: All 3 integration tests pass
  • Committed in: f6ff279 (Task 2 GREEN commit)

Total deviations: 2 auto-fixed (1 blocking, 1 bug) Impact on plan: Both auto-fixes necessary for compilation and test correctness. No scope creep.

Issues Encountered

  • Pre-existing ElkDiagramRendererTest breaks Spring context when run in full test suite (ELK static initialization + xtext classloading issue). Documented in deferred-items.md. All tests pass when run individually or grouped without ElkDiagramRendererTest.

User Setup Required

None - no external service configuration required.

Next Phase Readiness

  • Schema foundation and domain types ready for Plan 02 (search endpoints with ClickHouseSearchEngine) and Plan 03 (detail/diagram endpoints)
  • SearchEngine interface ready for ClickHouseSearchEngine implementation
  • ExecutionRepository.findRawById ready for ClickHouse implementation
  • AbstractClickHouseIT loads both schema files for all subsequent integration tests

Self-Check: PASSED

All 8 key files verified present. All 3 task commits verified in git log.

Phase: 02-transaction-search-diagrams Completed: 2026-03-11

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