From 1c55e95a7b91675d0152da12f26f7790350aebc0 Mon Sep 17 00:00:00 2001 From: Mykola Bilokonsky Date: Mon, 9 Jun 2025 22:12:49 -0400 Subject: [PATCH] cleanup and levelDB integration --- __tests__/compose-decompose.ts | 2 +- __tests__/negation.ts | 2 +- __tests__/relational.ts | 13 - __tests__/storage.ts | 5 +- __tests__/transactions.ts | 2 +- .../{000013.log => 000031.log} | 0 data/deltas-accepted/CURRENT | 2 +- data/deltas-accepted/MANIFEST-000012 | Bin 50 -> 0 bytes data/deltas-accepted/MANIFEST-000030 | Bin 0 -> 50 bytes data/query-results/{000013.log => 000031.log} | 0 data/query-results/CURRENT | 2 +- data/query-results/MANIFEST-000012 | Bin 50 -> 0 bytes data/query-results/MANIFEST-000030 | Bin 0 -> 50 bytes next_steps.md | 408 ++++++++++++------ src/http/api.ts | 5 +- src/query/query-engine.ts | 35 +- src/query/storage-query-engine.ts | 23 +- src/storage/interface.ts | 2 +- src/storage/leveldb.ts | 47 +- src/storage/memory.ts | 2 +- .../factory-test/{000007.log => 000021.log} | 0 test-data/factory-test/CURRENT | 2 +- test-data/factory-test/LOG | 6 +- test-data/factory-test/LOG.old | 6 +- test-data/factory-test/MANIFEST-000006 | Bin 50 -> 0 bytes test-data/factory-test/MANIFEST-000020 | Bin 0 -> 50 bytes test-data/leveldb-test/000037.log | 0 test-data/leveldb-test/000234.ldb | Bin 0 -> 695 bytes test-data/leveldb-test/000236.ldb | Bin 0 -> 879 bytes test-data/leveldb-test/000239.ldb | Bin 0 -> 855 bytes test-data/leveldb-test/000242.ldb | Bin 0 -> 877 bytes test-data/leveldb-test/000243.log | Bin 0 -> 1641 bytes test-data/leveldb-test/CURRENT | 2 +- test-data/leveldb-test/LOG | 8 +- test-data/leveldb-test/LOG.old | 8 +- test-data/leveldb-test/MANIFEST-000036 | Bin 50 -> 0 bytes test-data/leveldb-test/MANIFEST-000241 | Bin 0 -> 396 bytes todo.md | 79 +++- 38 files changed, 443 insertions(+), 218 deletions(-) delete mode 100644 __tests__/relational.ts rename data/deltas-accepted/{000013.log => 000031.log} (100%) delete mode 100644 data/deltas-accepted/MANIFEST-000012 create mode 100644 data/deltas-accepted/MANIFEST-000030 rename data/query-results/{000013.log => 000031.log} (100%) delete mode 100644 data/query-results/MANIFEST-000012 create mode 100644 data/query-results/MANIFEST-000030 rename test-data/factory-test/{000007.log => 000021.log} (100%) delete mode 100644 test-data/factory-test/MANIFEST-000006 create mode 100644 test-data/factory-test/MANIFEST-000020 delete mode 100644 test-data/leveldb-test/000037.log create mode 100644 test-data/leveldb-test/000234.ldb create mode 100644 test-data/leveldb-test/000236.ldb create mode 100644 test-data/leveldb-test/000239.ldb create mode 100644 test-data/leveldb-test/000242.ldb create mode 100644 test-data/leveldb-test/000243.log delete mode 100644 test-data/leveldb-test/MANIFEST-000036 create mode 100644 test-data/leveldb-test/MANIFEST-000241 diff --git a/__tests__/compose-decompose.ts b/__tests__/compose-decompose.ts index 4179e9c..58c9318 100644 --- a/__tests__/compose-decompose.ts +++ b/__tests__/compose-decompose.ts @@ -1,4 +1,4 @@ -import * as RhizomeImports from "../src"; +import * as _RhizomeImports from "../src"; /** * Tests for lossless view compose() and decompose() bidirectional conversion * Ensures that deltas can be composed into lossless views and decomposed back diff --git a/__tests__/negation.ts b/__tests__/negation.ts index f73ffd7..7193a75 100644 --- a/__tests__/negation.ts +++ b/__tests__/negation.ts @@ -1,4 +1,4 @@ -import * as RhizomeImports from "../src"; +import * as _RhizomeImports from "../src"; import { Delta } from '../src/core'; import { NegationHelper } from '../src/features'; import { RhizomeNode } from '../src/node'; diff --git a/__tests__/relational.ts b/__tests__/relational.ts deleted file mode 100644 index 512d882..0000000 --- a/__tests__/relational.ts +++ /dev/null @@ -1,13 +0,0 @@ -describe('Relational', () => { - it.skip('Allows expressing a domain ontology as a relational schema', async () => {}); - - // Deltas can be filtered at time of view resolution, and - // excluded if they violate schema constraints; - // Ideally the sender minimizes this by locally validating against the constraints. - // For cases where deltas conflict, there can be a resolution process, - // with configurable parameters such as duration, quorum, and so on; - // or a deterministic algorithm can be applied. - - it.skip('Can validate a delta against a relational constraint', async () => {}); - it.skip('Can validate a delta against a set of relational constraints', async () => {}); -}); diff --git a/__tests__/storage.ts b/__tests__/storage.ts index 67a9702..f10e4df 100644 --- a/__tests__/storage.ts +++ b/__tests__/storage.ts @@ -50,12 +50,13 @@ describe('Delta Storage', () => { runStorageTests(() => storage as DeltaQueryStorage); }); - describe.skip('LevelDB Storage', () => { + describe('LevelDB Storage', () => { let storage: DeltaQueryStorage; beforeEach(async () => { storage = new LevelDBDeltaStorage('./test-data/leveldb-test'); await (storage as LevelDBDeltaStorage).open(); + await (storage as LevelDBDeltaStorage).clearAll(); }); afterEach(async () => { @@ -81,7 +82,7 @@ describe('Delta Storage', () => { it('throws on unknown storage type', () => { expect(() => { - StorageFactory.create({ type: 'unknown' as any }); + StorageFactory.create({ type: 'unknown' as 'memory' | 'leveldb' }); }).toThrow('Unknown storage type: unknown'); }); }); diff --git a/__tests__/transactions.ts b/__tests__/transactions.ts index 9bf4515..1fc0c74 100644 --- a/__tests__/transactions.ts +++ b/__tests__/transactions.ts @@ -1,4 +1,4 @@ -import * as RhizomeImports from "../src"; +import * as _RhizomeImports from "../src"; import { Delta } from '../src/core'; import { Lossless } from '../src/views'; import { RhizomeNode } from '../src/node'; diff --git a/data/deltas-accepted/000013.log b/data/deltas-accepted/000031.log similarity index 100% rename from data/deltas-accepted/000013.log rename to data/deltas-accepted/000031.log diff --git a/data/deltas-accepted/CURRENT b/data/deltas-accepted/CURRENT index ef20c6d..caa721a 100644 --- a/data/deltas-accepted/CURRENT +++ b/data/deltas-accepted/CURRENT @@ -1 +1 @@ -MANIFEST-000012 +MANIFEST-000030 diff --git a/data/deltas-accepted/MANIFEST-000012 b/data/deltas-accepted/MANIFEST-000012 deleted file mode 100644 index f9967782b908902bad05124040af41de72570458..0000000000000000000000000000000000000000 GIT binary patch literal 0 HcmV?d00001 literal 50 zcmWIhx#Ncn10$nUPHI_dPD+xVQ)NkNd1i5{bAE0?Vo_pAe$hW6`&Aqaj7+?o49t8i F3;^BN57z(y diff --git a/data/deltas-accepted/MANIFEST-000030 b/data/deltas-accepted/MANIFEST-000030 new file mode 100644 index 0000000000000000000000000000000000000000..1e10a18b0a2a79251fad86f22d99587904f90064 GIT binary patch literal 50 zcmWIhx#Ncn10$nUPHI_dPD+xVQ)NkNd1i5{bAE0?Vo_pAe$m>V`zJUU7@6cb8JHDV F7y#-35aIv; literal 0 HcmV?d00001 diff --git a/data/query-results/000013.log b/data/query-results/000031.log similarity index 100% rename from data/query-results/000013.log rename to data/query-results/000031.log diff --git a/data/query-results/CURRENT b/data/query-results/CURRENT index ef20c6d..caa721a 100644 --- a/data/query-results/CURRENT +++ b/data/query-results/CURRENT @@ -1 +1 @@ -MANIFEST-000012 +MANIFEST-000030 diff --git a/data/query-results/MANIFEST-000012 b/data/query-results/MANIFEST-000012 deleted file mode 100644 index f9967782b908902bad05124040af41de72570458..0000000000000000000000000000000000000000 GIT binary patch literal 0 HcmV?d00001 literal 50 zcmWIhx#Ncn10$nUPHI_dPD+xVQ)NkNd1i5{bAE0?Vo_pAe$hW6`&Aqaj7+?o49t8i F3;^BN57z(y diff --git a/data/query-results/MANIFEST-000030 b/data/query-results/MANIFEST-000030 new file mode 100644 index 0000000000000000000000000000000000000000..1e10a18b0a2a79251fad86f22d99587904f90064 GIT binary patch literal 50 zcmWIhx#Ncn10$nUPHI_dPD+xVQ)NkNd1i5{bAE0?Vo_pAe$m>V`zJUU7@6cb8JHDV F7y#-35aIv; literal 0 HcmV?d00001 diff --git a/next_steps.md b/next_steps.md index 348edfe..c7e8bcd 100644 --- a/next_steps.md +++ b/next_steps.md @@ -1,143 +1,311 @@ -# Next Steps - LevelDB Storage Tests & Cleanup +# Phase 4: Delta Patterns & Query Traversal - Implementation Plan -This document provides context and instructions for completing the storage system implementation in the next Claude Code session. +## Overview -## Current Status ✅ +Phase 4 recognizes that in Rhizome, **deltas ARE relationships**. Instead of adding a relationship layer on top of deltas, we're creating tools to work with delta patterns more effectively. This phase focuses on formalizing common delta patterns, building query conveniences for traversing these patterns, and creating specialized resolvers that interpret deltas as familiar relational concepts. -- **Directory reorganization**: COMPLETE ✅ -- **Storage abstraction**: COMPLETE ✅ -- **Memory storage**: COMPLETE ✅ (9/9 tests passing) -- **LevelDB storage**: CODE COMPLETE ✅ (tests need fixing) -- **Query engines**: COMPLETE ✅ (both lossless and storage-based) -- **RhizomeNode integration**: COMPLETE ✅ -- **Build system**: COMPLETE ✅ (clean compilation) -- **Test suite**: 21/22 suites passing, 174/186 tests passing +## Core Insights -## Immediate Tasks 🔧 +1. **Deltas are relationships**: Every delta with pointers already expresses relationships +2. **Patterns, not structure**: We're recognizing patterns in how deltas connect entities +3. **Perspective-driven**: Different views/resolvers can interpret the same deltas differently +4. **No single truth**: Competing deltas are resolved by application-level lossy resolvers +5. **Time-aware**: All queries are inherently temporal, showing different relationships at different times -### 1. Fix LevelDB Storage Tests (Priority: HIGH) +## Current State ✅ -**Issue**: LevelDB tests fail with "Database is not open" error +- **All tests passing**: 21/21 suites, 183/183 tests (100%) +- **Delta system**: Fully functional with pointers expressing relationships +- **Negation system**: Can invalidate deltas (and thus relationships) +- **Query system**: Basic traversal of lossless views +- **Schema system**: Can describe entity structures +- **Resolver system**: Application-level interpretation of deltas -**Location**: `__tests__/storage.ts` (currently skipped on line 53) +## Implementation Plan -**Root Cause**: LevelDB requires explicit opening in newer versions +### Step 1: Delta Pattern Recognition -**Solution Strategy**: -```typescript -// In LevelDBDeltaStorage constructor or storeDelta method: -async ensureOpen() { - if (this.db.status !== 'open') { - await this.db.open(); - } -} +**Goal**: Formalize common patterns of deltas that represent familiar relationships -// Call before any operation: -await this.ensureOpen(); +**Tasks**: +1. Create `src/patterns/delta-patterns.ts`: + - Define patterns for common relationship types + - Create pattern matching utilities + - Document pattern conventions + +2. Common patterns to recognize: + ```typescript + // One-to-one: A delta pointing from A to B with unique constraint + const AuthorshipPattern = { + name: 'authorship', + match: (delta) => + delta.pointers.some(p => p.targetContext === 'author') && + delta.pointers.some(p => p.targetContext === 'post'), + interpret: (delta) => ({ + post: delta.pointers.find(p => p.targetContext === 'post').target, + author: delta.pointers.find(p => p.targetContext === 'author').target + }) + }; + + // One-to-many: Multiple deltas pointing from many Bs to one A + const PostsByAuthorPattern = { + name: 'posts-by-author', + query: (authorId) => ({ + pointers: { + some: { + target: authorId, + targetContext: 'author' + } + } + }) + }; + ``` + +3. Pattern validation: + - Ensure deltas match expected patterns + - Provide clear feedback when patterns are violated + - Allow flexible pattern definitions + +### Step 2: Query Pattern Traversal + +**Goal**: Make it easy to traverse delta patterns in queries + +**Tasks**: +1. Extend `QueryEngine` with pattern-aware methods: + ```typescript + // Find all deltas that establish a certain relationship + queryEngine.findRelationships('authorship', { + author: 'user-123' + }); + + // Traverse relationships in time + queryEngine.findRelationships('authorship', { + author: 'user-123', + asOf: timestamp // Time-travel query + }); + ``` + +2. Create traversal helpers: + ```typescript + // Follow a chain of relationships + queryEngine.traverse({ + start: 'user-123', + follow: [ + { pattern: 'authorship', direction: 'from' }, + { pattern: 'comments', direction: 'to' } + ], + includeNegated: false // Perspective choice + }); + ``` + +3. Multi-perspective queries: + ```typescript + // Different views of the same deltas + queryEngine.query('Post', {}, { + perspectives: { + published: { includeNegated: false }, + draft: { includeNegated: true }, + historical: { asOf: timestamp } + } + }); + ``` + +### Step 3: Pattern-Aware Resolvers + +**Goal**: Create resolvers that interpret delta patterns as familiar concepts + +**Tasks**: +1. Create `src/views/resolvers/pattern-resolver.ts`: + ```typescript + class PatternResolver { + // Interpret deltas matching certain patterns + resolveWithPatterns(entityId, patterns) { + const deltas = this.lossless.getDeltasForEntity(entityId); + + return { + entity: entityId, + relationships: patterns.map(pattern => ({ + type: pattern.name, + targets: deltas + .filter(pattern.match) + .map(pattern.interpret) + })) + }; + } + } + ``` + +2. Specialized pattern resolvers: + - `ReferenceResolver`: Follows pointer patterns + - `TemporalResolver`: Shows relationships over time + - `CompetingValueResolver`: Handles multiple values for same relationship + +3. Resolver composition: + ```typescript + // Stack resolvers for different perspectives + const publishedView = new ResolverStack([ + new NegationFilter(), + new TemporalResolver({ until: now }), + new LastWriteWins() + ]); + ``` + +### Step 4: Delta Pattern Validation + +**Goal**: Validate that deltas follow expected patterns (without enforcing) + +**Tasks**: +1. Create `src/features/pattern-validation.ts`: + ```typescript + // Validate but don't enforce + validateDeltaPattern(delta, pattern) { + const result = pattern.validate(delta); + if (!result.valid) { + // Emit warning, but still accept delta + this.emit('pattern-warning', { + delta, + pattern: pattern.name, + issues: result.issues + }); + } + return result; + } + ``` + +2. Pattern constraints as guidance: + - Required pointer contexts + - Expected value types + - Cardinality suggestions + - Temporal constraints + +3. Missing information detection: + ```typescript + // Detect incomplete patterns + detectMissingRelationships(entity, expectedPatterns) { + return expectedPatterns.filter(pattern => + !this.hasMatchingDelta(entity, pattern) + ); + } + ``` + +### Step 5: Collection Pattern Helpers + +**Goal**: Make collections work naturally with delta patterns + +**Tasks**: +1. Extend collections with pattern methods: + ```typescript + class PatternAwareCollection extends Collection { + // Create deltas that match patterns + relate(from, to, pattern) { + const delta = pattern.createDelta(from, to); + return this.rhizomeNode.acceptDelta(delta); + } + + // Query using patterns + findRelated(entity, pattern) { + return this.queryEngine.findRelationships(pattern, { + [pattern.fromContext]: entity + }); + } + } + ``` + +2. Pattern-based operations: + - Batch relationship creation + - Relationship negation helpers + - Pattern-based cascades + +### Step 6: Temporal Pattern Queries + +**Goal**: Leverage time-travel for relationship history + +**Tasks**: +1. Time-aware pattern queries: + ```typescript + // Show relationship changes over time + queryEngine.relationshipHistory('authorship', { + post: 'post-123', + timeRange: { from: t1, to: t2 } + }); + + // Find when relationships were established/negated + queryEngine.relationshipTimeline(entityId); + ``` + +2. Temporal pattern analysis: + - Relationship duration + - Relationship conflicts over time + - Pattern evolution + +## File Structure + +**New files to create**: +``` +src/ +├── patterns/ +│ ├── delta-patterns.ts # Pattern definitions +│ ├── pattern-matcher.ts # Pattern matching utilities +│ └── pattern-validators.ts # Pattern validation +├── query/ +│ └── pattern-query-engine.ts # Pattern-aware queries +├── views/ +│ └── resolvers/ +│ ├── pattern-resolver.ts # Pattern interpretation +│ └── temporal-resolver.ts # Time-aware resolution +└── features/ + └── pattern-validation.ts # Soft validation ``` **Files to modify**: -- `src/storage/leveldb.ts` - Add auto-opening logic -- `__tests__/storage.ts` - Remove `.skip` from line 53 +- `src/query/query-engine.ts` - Add pattern methods +- `src/collections/collection-abstract.ts` - Add pattern helpers +- `src/node.ts` - Wire up pattern features -**Test command**: `npm test -- __tests__/storage.ts` +## Testing Strategy -### 2. Complete Linting Cleanup (Priority: MEDIUM) +**New test files**: +- `__tests__/delta-patterns.ts` - Pattern definition and matching +- `__tests__/pattern-queries.ts` - Pattern-based traversal +- `__tests__/pattern-validation.ts` - Soft validation behavior +- `__tests__/temporal-patterns.ts` - Time-travel relationship queries +- `__tests__/competing-relationships.ts` - Multiple relationship handling -**Current lint issues**: 45 errors (mostly unused vars and `any` types) +**Test scenarios**: +1. Define and match delta patterns +2. Query relationships using patterns +3. Validate deltas against patterns (warnings only) +4. Time-travel through relationship history +5. Handle competing relationship deltas +6. Detect missing relationships +7. Test pattern-based cascading negations -**Key files needing attention**: -- `src/query/query-engine.ts` - Remove unused imports, fix `any` types -- `src/query/storage-query-engine.ts` - Fix `any` types in JsonLogic -- `src/storage/leveldb.ts` - Remove unused loop variables (prefix with `_`) -- Various test files - Remove unused `RhizomeImports` +## Success Criteria -**Quick fixes**: -```typescript -// Instead of: for (const [key, value] of iterator) -// Use: for (const [_key, value] of iterator) +- [ ] Delta patterns are well-defined and matchable +- [ ] Queries can traverse relationships via delta patterns +- [ ] Pattern validation provides guidance without enforcement +- [ ] Time-travel queries work with relationships +- [ ] Competing relationships are handled gracefully +- [ ] Missing relationships are detectable +- [ ] Performance scales with pattern complexity +- [ ] Developers find patterns intuitive to use -// Instead of: JsonLogic = Record -// Use: JsonLogic = Record -``` +## Key Principles to Maintain -### 3. Enable Relational Tests (Priority: LOW) +1. **Deltas are relationships** - Never create a separate relationship system +2. **Patterns are recognition** - We're recognizing what's already there +3. **Perspective matters** - Same deltas, different interpretations +4. **No enforcement** - Validation guides but doesn't restrict +5. **Time is first-class** - All relationships exist in time +6. **Conflicts are natural** - Multiple truths coexist until resolved by views -**Currently skipped**: `__tests__/relational.ts` +## Next Session Tasks -**Check**: Whether relational collection tests work with new directory structure +1. Define core delta patterns in `delta-patterns.ts` +2. Create pattern matching utilities +3. Extend QueryEngine with pattern-aware methods +4. Write tests for pattern recognition +5. Document the delta-as-relationship philosophy -## Context for Next Session 📝 - -### Storage Architecture Overview - -The storage system now supports pluggable backends: - -``` -RhizomeNode -├── lossless (in-memory views) -├── deltaStorage (configurable backend) -├── queryEngine (lossless-based, backward compatible) -└── storageQueryEngine (storage-based, new) -``` - -**Configuration via environment**: -- `RHIZOME_STORAGE_TYPE=memory|leveldb` -- `RHIZOME_STORAGE_PATH=./data/rhizome` - -### Key Files & Their Purposes - -``` -src/ -├── storage/ -│ ├── interface.ts # DeltaStorage + DeltaQueryStorage interfaces -│ ├── memory.ts # MemoryDeltaStorage (working ✅) -│ ├── leveldb.ts # LevelDBDeltaStorage (needs open() fix) -│ ├── factory.ts # StorageFactory for backend switching -│ └── store.ts # Legacy store (kept for compatibility) -├── query/ -│ ├── query-engine.ts # Original lossless-based (working ✅) -│ └── storage-query-engine.ts # New storage-based (working ✅) -└── node.ts # Integrates both storage & query engines -``` - -### Test Strategy - -1. **Memory storage**: Fully working, use as reference -2. **LevelDB storage**: Same interface, just needs DB opening -3. **Storage factory**: Already tested and working -4. **Query engines**: Both working with reorganized imports - -## Success Criteria 🎯 - -**When complete, you should have**: -- [ ] All storage tests passing (both memory and LevelDB) -- [ ] Lint errors reduced to <10 (from current 45) -- [ ] Documentation updated for storage backends -- [ ] Optional: Relational tests re-enabled - -**Test command for validation**: -```bash -npm test # Should be 22/22 suites passing -npm run lint # Should have <10 errors -npm run build # Should compile cleanly (already working) -``` - -## Notes & Gotchas ⚠️ - -1. **LevelDB opening**: The Level library changed APIs - databases need explicit opening -2. **Import paths**: All fixed, but watch for any remaining `../` vs `./` issues -3. **TypeScript**: Using ES modules (`"type": "module"`) - imports must include file extensions if needed -4. **Test isolation**: LevelDB tests should use unique DB paths to avoid conflicts -5. **Cleanup**: LevelDB creates real files - tests should clean up temp directories - -## Phase 4 Readiness - -Once this storage work is complete, the codebase will be ready for **Phase 4: Relational Features** with: -- ✅ Clean, organized directory structure -- ✅ Pluggable storage backends (memory + persistent) -- ✅ Dual query engines (lossless + storage-based) -- ✅ Comprehensive test coverage -- ✅ Solid architecture for relational schema expressions - -The storage abstraction provides the foundation needed for advanced relational features like foreign key constraints, join operations, and complex queries across collections. \ No newline at end of file +This approach embraces Rhizome's fundamental architecture where deltas ARE the relationships, making it easier to work with these patterns while respecting the system's perspective-driven, temporal nature. \ No newline at end of file diff --git a/src/http/api.ts b/src/http/api.ts index 7309239..41a3aa7 100644 --- a/src/http/api.ts +++ b/src/http/api.ts @@ -1,8 +1,7 @@ import express, {Router} from "express"; import {Collection} from "../collections"; -import {Delta} from "../core"; +import {Delta, DeltaFilter} from "../core"; import {RhizomeNode} from "../node"; -import {StorageJsonLogic} from "../query"; export class HttpApi { router = Router(); @@ -158,7 +157,7 @@ export class HttpApi { const { schemaId } = req.params; const { filter, maxResults, deltaFilter } = req.body; - const options: { maxResults?: number; deltaFilter?: any } = {}; + const options: { maxResults?: number; deltaFilter?: DeltaFilter } = {}; if (maxResults) options.maxResults = maxResults; if (deltaFilter) { // Note: deltaFilter would need to be serialized/deserialized properly in a real implementation diff --git a/src/query/query-engine.ts b/src/query/query-engine.ts index 6a1689f..da4e6ad 100644 --- a/src/query/query-engine.ts +++ b/src/query/query-engine.ts @@ -1,13 +1,13 @@ import { apply } from 'json-logic-js'; import Debug from 'debug'; import { SchemaRegistry, SchemaID, ObjectSchema } from '../schema/schema'; -import { Lossless, LosslessViewOne, LosslessViewMany } from '../views/lossless'; +import { Lossless, LosslessViewOne, LosslessViewMany, CollapsedDelta } from '../views/lossless'; import { DomainEntityID } from '../core/types'; -import { Delta, DeltaFilter } from '../core/delta'; +import { DeltaFilter } from '../core/delta'; const debug = Debug('rz:query'); -export type JsonLogic = Record; +export type JsonLogic = Record; export interface QueryOptions { maxResults?: number; @@ -182,8 +182,8 @@ export class QueryEngine { * Convert a lossless view to a queryable object based on schema * Uses simple resolution strategies for now */ - private losslessViewToQueryableObject(view: LosslessViewOne, schema: ObjectSchema): Record { - const obj: Record = { + private losslessViewToQueryableObject(view: LosslessViewOne, schema: ObjectSchema): Record { + const obj: Record = { id: view.id, _referencedAs: view.referencedAs }; @@ -199,28 +199,31 @@ export class QueryEngine { // Apply simple resolution strategy based on property schema type switch (propertySchema.type) { - case 'primitive': + case 'primitive': { // Use last-write-wins for primitives const lastDelta = deltas.sort((a, b) => b.timeCreated - a.timeCreated)[0]; const primitiveValue = this.extractPrimitiveValue(lastDelta, propertyId); obj[propertyId] = primitiveValue; break; + } - case 'array': + case 'array': { // Collect all values as array const arrayValues = deltas .map(delta => this.extractPrimitiveValue(delta, propertyId)) .filter(value => value !== null); obj[propertyId] = arrayValues; break; + } - case 'reference': + case 'reference': { // For references, include the target IDs const refValues = deltas .map(delta => this.extractReferenceValue(delta, propertyId)) .filter(value => value !== null); obj[propertyId] = refValues; break; + } default: obj[propertyId] = deltas.length; @@ -234,12 +237,12 @@ export class QueryEngine { /** * Extract primitive value from a delta for a given property */ - private extractPrimitiveValue(delta: any, propertyId: string): any { - // Look for the value in deltas that target this property - // The delta should have a 'value' pointer containing the actual value + private extractPrimitiveValue(delta: CollapsedDelta, _propertyId: string): unknown { + // Look for the value in collapsed pointers + // CollapsedPointer is {[key: PropertyID]: PropertyTypes} for (const pointer of delta.pointers) { - if (pointer['value'] !== undefined) { - return pointer['value']; + if (pointer.value !== undefined) { + return pointer.value; } } return null; @@ -248,11 +251,11 @@ export class QueryEngine { /** * Extract reference value (target ID) from a delta for a given property */ - private extractReferenceValue(delta: any, propertyId: string): string | null { + private extractReferenceValue(delta: CollapsedDelta, _propertyId: string): string | null { // For references, we want the value pointer that contains the reference ID for (const pointer of delta.pointers) { - if (pointer['value'] !== undefined && typeof pointer['value'] === 'string') { - return pointer['value']; + if (pointer.value !== undefined && typeof pointer.value === 'string') { + return pointer.value; } } return null; diff --git a/src/query/storage-query-engine.ts b/src/query/storage-query-engine.ts index 144215b..5457aec 100644 --- a/src/query/storage-query-engine.ts +++ b/src/query/storage-query-engine.ts @@ -7,7 +7,7 @@ import { Delta, DeltaFilter } from '../core/delta'; const debug = Debug('rz:storage-query'); -export type JsonLogic = Record; +export type JsonLogic = Record; export interface StorageQueryOptions { maxResults?: number; @@ -25,7 +25,7 @@ export interface StorageQueryResult { export interface StorageEntityResult { entityId: DomainEntityID; deltas: Delta[]; - properties: Record; // Resolved properties for filtering + properties: Record; // Resolved properties for filtering } /** @@ -206,8 +206,8 @@ export class StorageQueryEngine { /** * Resolve entity properties from deltas for query filtering */ - private resolveEntityProperties(deltas: Delta[], schema: ObjectSchema): Record { - const properties: Record = {}; + private resolveEntityProperties(deltas: Delta[], schema: ObjectSchema): Record { + const properties: Record = {}; // Group deltas by property context const propertyDeltas = new Map(); @@ -234,27 +234,30 @@ export class StorageQueryEngine { // Apply simple resolution strategy based on property schema type switch (propertySchema.type) { - case 'primitive': + case 'primitive': { // Use last-write-wins for primitives const lastDelta = propDeltas.sort((a, b) => b.timeCreated - a.timeCreated)[0]; properties[propertyId] = this.extractPrimitiveValue(lastDelta, propertyId); break; + } - case 'array': + case 'array': { // Collect all values as array const arrayValues = propDeltas .map(delta => this.extractPrimitiveValue(delta, propertyId)) .filter(value => value !== null); properties[propertyId] = arrayValues; break; + } - case 'reference': + case 'reference': { // For references, include the target IDs const refValues = propDeltas .map(delta => this.extractReferenceValue(delta, propertyId)) .filter(value => value !== null); properties[propertyId] = refValues; break; + } default: properties[propertyId] = propDeltas.length; @@ -267,7 +270,7 @@ export class StorageQueryEngine { /** * Extract primitive value from a delta for a given property */ - private extractPrimitiveValue(delta: Delta, propertyId: string): any { + private extractPrimitiveValue(delta: Delta, _propertyId: string): unknown { for (const pointer of delta.pointers) { if (pointer.localContext === 'value') { return pointer.target; @@ -279,7 +282,7 @@ export class StorageQueryEngine { /** * Extract reference value (target ID) from a delta for a given property */ - private extractReferenceValue(delta: Delta, propertyId: string): string | null { + private extractReferenceValue(delta: Delta, _propertyId: string): string | null { for (const pointer of delta.pointers) { if (pointer.localContext === 'value' && typeof pointer.target === 'string') { return pointer.target; @@ -306,7 +309,7 @@ export class StorageQueryEngine { /** * Check if an entity matches a schema (basic validation) */ - private entityMatchesSchema(properties: Record, schema: ObjectSchema): boolean { + private entityMatchesSchema(properties: Record, schema: ObjectSchema): boolean { const requiredProperties = schema.requiredProperties || []; for (const propertyId of requiredProperties) { diff --git a/src/storage/interface.ts b/src/storage/interface.ts index 63a423d..7c84aa3 100644 --- a/src/storage/interface.ts +++ b/src/storage/interface.ts @@ -87,5 +87,5 @@ export interface DeltaQuery { export interface StorageConfig { type: 'memory' | 'leveldb' | 'sqlite' | 'postgres'; path?: string; // for file-based storage - options?: Record; + options?: Record; } \ No newline at end of file diff --git a/src/storage/leveldb.ts b/src/storage/leveldb.ts index 8d7ad14..f7cb2e8 100644 --- a/src/storage/leveldb.ts +++ b/src/storage/leveldb.ts @@ -2,7 +2,7 @@ import Debug from 'debug'; import { Level } from 'level'; import { Delta, DeltaID, DeltaFilter } from '../core/delta'; import { DomainEntityID } from '../core/types'; -import { DeltaStorage, DeltaQueryStorage, DeltaQuery, StorageStats } from './interface'; +import { DeltaQueryStorage, DeltaQuery, StorageStats } from './interface'; const debug = Debug('rz:storage:leveldb'); @@ -26,7 +26,14 @@ export class LevelDBDeltaStorage implements DeltaQueryStorage { } } + private async ensureOpen(): Promise { + if (this.db.status !== 'open') { + await this.db.open(); + } + } + async storeDelta(delta: Delta): Promise { + await this.ensureOpen(); debug(`Storing delta ${delta.id} to LevelDB`); const batch = this.db.batch(); @@ -63,11 +70,18 @@ export class LevelDBDeltaStorage implements DeltaQueryStorage { } async getDelta(id: DeltaID): Promise { + await this.ensureOpen(); try { const deltaJson = await this.db.get(`delta:${id}`); + + // Handle case where LevelDB returns string "undefined" for missing keys + if (deltaJson === 'undefined' || deltaJson === undefined) { + return null; + } + return JSON.parse(deltaJson); } catch (error) { - if ((error as any).code === 'LEVEL_NOT_FOUND') { + if ((error as { code?: string }).code === 'LEVEL_NOT_FOUND') { return null; } throw error; @@ -75,10 +89,11 @@ export class LevelDBDeltaStorage implements DeltaQueryStorage { } async getAllDeltas(filter?: DeltaFilter): Promise { + await this.ensureOpen(); const deltas: Delta[] = []; // Iterate through all delta records - for await (const [key, value] of this.db.iterator({ + for await (const [_key, value] of this.db.iterator({ gte: 'delta:', lt: 'delta:\xFF' })) { @@ -90,7 +105,7 @@ export class LevelDBDeltaStorage implements DeltaQueryStorage { deltas.push(delta); } } catch (error) { - debug(`Error parsing delta from key ${key}:`, error); + debug(`Error parsing delta from key ${_key}:`, error); } } @@ -98,10 +113,11 @@ export class LevelDBDeltaStorage implements DeltaQueryStorage { } async getDeltasForEntity(entityId: DomainEntityID): Promise { + await this.ensureOpen(); const deltaIds: string[] = []; // Use entity index to find all deltas for this entity - for await (const [key, deltaId] of this.db.iterator({ + for await (const [_key, deltaId] of this.db.iterator({ gte: `entity:${entityId}:`, lt: `entity:${entityId}:\xFF` })) { @@ -121,10 +137,11 @@ export class LevelDBDeltaStorage implements DeltaQueryStorage { } async getDeltasByContext(entityId: DomainEntityID, context: string): Promise { + await this.ensureOpen(); const deltaIds: string[] = []; // Use context index to find deltas for this specific entity+context - for await (const [key, deltaId] of this.db.iterator({ + for await (const [_key, deltaId] of this.db.iterator({ gte: `context:${entityId}:${context}:`, lt: `context:${entityId}:${context}:\xFF` })) { @@ -144,13 +161,14 @@ export class LevelDBDeltaStorage implements DeltaQueryStorage { } async queryDeltas(query: DeltaQuery): Promise { + await this.ensureOpen(); let candidateDeltaIds: Set | null = null; // Use indexes to narrow down candidates efficiently if (query.creator) { const creatorDeltaIds = new Set(); - for await (const [key, deltaId] of this.db.iterator({ + for await (const [_key, deltaId] of this.db.iterator({ gte: `creator:${query.creator}:`, lt: `creator:${query.creator}:\xFF` })) { @@ -161,7 +179,7 @@ export class LevelDBDeltaStorage implements DeltaQueryStorage { if (query.host) { const hostDeltaIds = new Set(); - for await (const [key, deltaId] of this.db.iterator({ + for await (const [_key, deltaId] of this.db.iterator({ gte: `host:${query.host}:`, lt: `host:${query.host}:\xFF` })) { @@ -173,7 +191,7 @@ export class LevelDBDeltaStorage implements DeltaQueryStorage { if (query.targetEntities && query.targetEntities.length > 0) { const entityDeltaIds = new Set(); for (const entityId of query.targetEntities) { - for await (const [key, deltaId] of this.db.iterator({ + for await (const [_key, deltaId] of this.db.iterator({ gte: `entity:${entityId}:`, lt: `entity:${entityId}:\xFF` })) { @@ -186,7 +204,7 @@ export class LevelDBDeltaStorage implements DeltaQueryStorage { // If no index queries were used, scan all deltas if (candidateDeltaIds === null) { candidateDeltaIds = new Set(); - for await (const [key, value] of this.db.iterator({ + for await (const [key, _value] of this.db.iterator({ gte: 'delta:', lt: 'delta:\xFF' })) { @@ -237,13 +255,14 @@ export class LevelDBDeltaStorage implements DeltaQueryStorage { } async getStats(): Promise { + await this.ensureOpen(); let totalDeltas = 0; const entities = new Set(); let oldestDelta: number | undefined; let newestDelta: number | undefined; // Count deltas and track entities - for await (const [key, value] of this.db.iterator({ + for await (const [_key, value] of this.db.iterator({ gte: 'delta:', lt: 'delta:\xFF' })) { @@ -267,7 +286,7 @@ export class LevelDBDeltaStorage implements DeltaQueryStorage { newestDelta = delta.timeCreated; } } catch (error) { - debug(`Error parsing delta for stats from key ${key}:`, error); + debug(`Error parsing delta for stats from key ${_key}:`, error); } } @@ -300,15 +319,17 @@ export class LevelDBDeltaStorage implements DeltaQueryStorage { // LevelDB-specific methods async clearAll(): Promise { + await this.ensureOpen(); debug('Clearing all data from LevelDB'); await this.db.clear(); } async compact(): Promise { + await this.ensureOpen(); debug('Compacting LevelDB'); // LevelDB compaction happens automatically, but we can trigger it // by iterating through all keys (this is a simple approach) - for await (const [key] of this.db.iterator()) { + for await (const [_key] of this.db.iterator()) { // Just iterating triggers compaction } } diff --git a/src/storage/memory.ts b/src/storage/memory.ts index 204ba9a..eb66865 100644 --- a/src/storage/memory.ts +++ b/src/storage/memory.ts @@ -1,7 +1,7 @@ import Debug from 'debug'; import { Delta, DeltaID, DeltaFilter } from '../core/delta'; import { DomainEntityID } from '../core/types'; -import { DeltaStorage, DeltaQueryStorage, DeltaQuery, StorageStats } from './interface'; +import { DeltaQueryStorage, DeltaQuery, StorageStats } from './interface'; const debug = Debug('rz:storage:memory'); diff --git a/test-data/factory-test/000007.log b/test-data/factory-test/000021.log similarity index 100% rename from test-data/factory-test/000007.log rename to test-data/factory-test/000021.log diff --git a/test-data/factory-test/CURRENT b/test-data/factory-test/CURRENT index f7753e2..f180e91 100644 --- a/test-data/factory-test/CURRENT +++ b/test-data/factory-test/CURRENT @@ -1 +1 @@ -MANIFEST-000006 +MANIFEST-000020 diff --git a/test-data/factory-test/LOG b/test-data/factory-test/LOG index d23055b..de91d42 100644 --- a/test-data/factory-test/LOG +++ b/test-data/factory-test/LOG @@ -1,3 +1,3 @@ -2025/06/09-21:50:47.185401 7177213fe640 Recovering log #5 -2025/06/09-21:50:47.301447 7177213fe640 Delete type=0 #5 -2025/06/09-21:50:47.301483 7177213fe640 Delete type=3 #4 +2025/06/09-22:08:03.381417 7d18dafbe640 Recovering log #19 +2025/06/09-22:08:03.388931 7d18dafbe640 Delete type=3 #18 +2025/06/09-22:08:03.389041 7d18dafbe640 Delete type=0 #19 diff --git a/test-data/factory-test/LOG.old b/test-data/factory-test/LOG.old index f2cf3b9..e574f87 100644 --- a/test-data/factory-test/LOG.old +++ b/test-data/factory-test/LOG.old @@ -1,3 +1,3 @@ -2025/06/09-21:50:17.946302 7189167bf640 Recovering log #3 -2025/06/09-21:50:17.971267 7189167bf640 Delete type=3 #2 -2025/06/09-21:50:17.971333 7189167bf640 Delete type=0 #3 +2025/06/09-22:06:22.826797 7d82d53fe640 Recovering log #17 +2025/06/09-22:06:22.833921 7d82d53fe640 Delete type=0 #17 +2025/06/09-22:06:22.833954 7d82d53fe640 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