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hyungi_document_server/migrations/301_eid_study_weakness_table.sql
T
hyungi 5bde1c765c fix(migrations): eid 301~305 multi-statement → 1-statement/파일 분리 (301~316)
asyncpg 러너가 exec_driver_sql 을 prepared statement(extended protocol)로 처리해
multi-statement 를 거부(cannot insert multiple commands) → fastapi init_db crash.
(001 등 초기 multi-stmt 는 postgres initdb=psql simple protocol 로 적용됐던 것 — 작성자 가정 오류.)
301~305(각 2~4 stmt)를 내용 불변으로 16개 single-statement 파일(301~316)로 분리:
 eid_study_weakness(table/rule2/idx)·eid_review_set_draft(동)·eid_weekly_recap(동)
 ·approval_requests(table/idx)·eid_schedule_views(view2). 원순서·FK 의존성 보존.
프로덕션 pkm DB 대상 트랜잭션 dry-run(ROLLBACK) 16/16 무오류 통과.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-07 20:42:32 +09:00

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SQL

-- 301_eid_study_weakness_table.sql — 301_eid_study_weakness.sql 분리본 (single-statement). asyncpg 러너가 prepared statement 로 처리해 multi-statement 거부 → 1 stmt/파일. 내용 불변.
CREATE TABLE IF NOT EXISTS eid_study_weakness (
id BIGSERIAL PRIMARY KEY,
user_id BIGINT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
weaknesses JSONB NOT NULL, -- [{topic_id,topic,chronic,relapsed,leech,coverage_gap,unsure,overdue,trend,tier}]
habit_signals JSONB NOT NULL, -- {avoidance_topics,session_abandon_rate,stale_due_count,skew_topics}
trend_label VARCHAR(20) NOT NULL, -- overall 개선|정체|악화 (코드 산출)
sample_attempts INTEGER NOT NULL DEFAULT 0,
is_shallow_sample BOOLEAN NOT NULL DEFAULT false,
status VARCHAR(20) NOT NULL DEFAULT 'active', -- 'active' | 'disputed'(dispute marker)
supersedes_id BIGINT REFERENCES eid_study_weakness(id) ON DELETE SET NULL,
actor VARCHAR(20) NOT NULL, -- 스탬프(no default) = 'eid'
source_generated_at TIMESTAMPTZ NOT NULL, -- 스탬프(no default) = 집계 시점
created_at TIMESTAMPTZ NOT NULL DEFAULT now()
);