HaHafeng
61cdc97eeb
Summary: - Fix pg-boss queue conflict (duplicate key violation on queue_pkey) - Add global error listener to prevent process crash - Reduce connection pool from 10 to 4 - Add graceful shutdown handling (SIGTERM/SIGINT) - Fix researchWorker recursive call bug in catch block - Make screeningWorker idempotent using upsert Security Standards (v1.1): - Prohibit recursive retry in Worker catch blocks - Prohibit payload bloat (only store fileKey/ID in job.data) - Require Worker idempotency (upsert + unique constraint) - Recommend task-specific expireInSeconds settings - Document graceful shutdown pattern New Features: - PKB signed URL endpoint for document preview/download - pg_bigm installation guide for Docker - Dockerfile.postgres-with-extensions for pgvector + pg_bigm Documentation: - Update Postgres-Only async task processing guide (v1.1) - Add troubleshooting SQL queries - Update safety checklist Tested: Local verification passed
89 lines
821 B
SQL
89 lines
821 B
SQL
-- 为 DcToolCSession 添加 dataStats 字段
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-- 用于缓存数据统计信息，支持数据探索问答功能
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--
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-- 执行方法：psql -d airesearch_v2 -f add_data_stats_to_tool_c_session.sql
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\c airesearch_v2
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-- 添加字段
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ALTER TABLE dc_schema.dc_tool_c_sessions
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ADD COLUMN IF NOT EXISTS data_stats JSONB NULL;
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-- 添加注释
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COMMENT ON COLUMN dc_schema.dc_tool_c_sessions.data_stats IS '数据统计信息缓存（用于数据探索问答）：{totalRows, columnStats}';
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-- 验证
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SELECT column_name, data_type, is_nullable
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FROM information_schema.columns
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WHERE table_schema = 'dc_schema'
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AND table_name = 'dc_tool_c_sessions'
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AND column_name = 'data_stats';
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\echo '✅ 字段 data_stats 已成功添加到 dc_tool_c_sessions 表'
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