HaHafeng
fa72beea6c
Major Changes: - Implement Platform-Only architecture pattern (unified task management) - Add PostgresCacheAdapter for unified caching (platform_schema.app_cache) - Add PgBossQueue for job queue management (platform_schema.job) - Implement CheckpointService using job.data (generic for all modules) - Add intelligent threshold-based dual-mode processing (THRESHOLD=50) - Add task splitting mechanism (auto chunk size recommendation) - Refactor ASL screening service with smart mode selection - Refactor DC extraction service with smart mode selection - Register workers for ASL and DC modules Technical Highlights: - All task management data stored in platform_schema.job.data (JSONB) - Business tables remain clean (no task management fields) - CheckpointService is generic (shared by all modules) - Zero code duplication (DRY principle) - Follows 3-layer architecture principle - Zero additional cost (no Redis needed, save 8400 CNY/year) Code Statistics: - New code: ~1750 lines - Modified code: ~500 lines - Test code: ~1800 lines - Documentation: ~3000 lines Testing: - Unit tests: 8/8 passed - Integration tests: 2/2 passed - Architecture validation: passed - Linter errors: 0 Files: - Platform layer: PostgresCacheAdapter, PgBossQueue, CheckpointService, utils - ASL module: screeningService, screeningWorker - DC module: ExtractionController, extractionWorker - Tests: 11 test files - Docs: Updated 4 key documents Status: Phase 1-7 completed, Phase 8-9 pending
72 lines
2.2 KiB
SQL
72 lines
2.2 KiB
SQL
-- ==================== Postgres-Only 改造：手动迁移 ====================
|
||
-- 文件: 001_add_postgres_cache_and_checkpoint.sql
|
||
-- 目的: 添加缓存表和断点续传字段
|
||
-- 日期: 2025-12-13
|
||
-- 说明: 避免Prisma migrate的shadow database问题，手动添加所需表和字段
|
||
|
||
-- ==================== 1. 创建缓存表 (AppCache) ====================
|
||
|
||
CREATE TABLE IF NOT EXISTS platform_schema.app_cache (
|
||
id SERIAL PRIMARY KEY,
|
||
key VARCHAR(500) UNIQUE NOT NULL,
|
||
value JSONB NOT NULL,
|
||
expires_at TIMESTAMP NOT NULL,
|
||
created_at TIMESTAMP DEFAULT NOW()
|
||
);
|
||
|
||
-- 创建索引（优化过期查询和key查询）
|
||
CREATE INDEX IF NOT EXISTS idx_app_cache_expires
|
||
ON platform_schema.app_cache(expires_at);
|
||
|
||
CREATE INDEX IF NOT EXISTS idx_app_cache_key_expires
|
||
ON platform_schema.app_cache(key, expires_at);
|
||
|
||
-- ==================== 2. 为AslScreeningTask添加新字段 ====================
|
||
|
||
-- 任务拆分支持字段
|
||
ALTER TABLE asl_schema.screening_tasks
|
||
ADD COLUMN IF NOT EXISTS total_batches INTEGER DEFAULT 1,
|
||
ADD COLUMN IF NOT EXISTS processed_batches INTEGER DEFAULT 0,
|
||
ADD COLUMN IF NOT EXISTS current_batch_index INTEGER DEFAULT 0;
|
||
|
||
-- 断点续传支持字段
|
||
ALTER TABLE asl_schema.screening_tasks
|
||
ADD COLUMN IF NOT EXISTS current_index INTEGER DEFAULT 0,
|
||
ADD COLUMN IF NOT EXISTS last_checkpoint TIMESTAMP,
|
||
ADD COLUMN IF NOT EXISTS checkpoint_data JSONB;
|
||
|
||
-- ==================== 3. 验证创建结果 ====================
|
||
|
||
-- 查看app_cache表结构
|
||
SELECT
|
||
column_name,
|
||
data_type,
|
||
is_nullable,
|
||
column_default
|
||
FROM information_schema.columns
|
||
WHERE table_schema = 'platform_schema'
|
||
AND table_name = 'app_cache'
|
||
ORDER BY ordinal_position;
|
||
|
||
-- 查看screening_tasks新增字段
|
||
SELECT
|
||
column_name,
|
||
data_type,
|
||
is_nullable,
|
||
column_default
|
||
FROM information_schema.columns
|
||
WHERE table_schema = 'asl_schema'
|
||
AND table_name = 'screening_tasks'
|
||
AND column_name IN (
|
||
'total_batches', 'processed_batches', 'current_batch_index',
|
||
'current_index', 'last_checkpoint', 'checkpoint_data'
|
||
)
|
||
ORDER BY ordinal_position;
|
||
|
||
-- ==================== 完成 ====================
|
||
-- ✅ 缓存表已创建
|
||
-- ✅ 任务拆分字段已添加
|
||
-- ✅ 断点续传字段已添加
|
||
|
||
|