From 5b71fcbcd76b1d91fbf28589be7e76b9022960ff Mon Sep 17 00:00:00 2001
From: root <root@server1.marha>
Date: Sun, 28 Jun 2026 12:03:24 +0000
Subject: [PATCH] update

---
 backend/database.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/backend/database.py b/backend/database.py
index 8494934..94366fb 100644
--- a/backend/database.py
+++ b/backend/database.py
@@ -103,7 +103,7 @@ CREATE TABLE IF NOT EXISTS subbausteine (
     nennungen INTEGER NOT NULL DEFAULT 1,
     stufe TEXT,
     relevanz TEXT,
-    fakten TEXT,
+    fakten TEXT NOT NULL DEFAULT '',
     status TEXT NOT NULL DEFAULT 'kandidat',
     updated_at TEXT NOT NULL,
     PRIMARY KEY (topic, baustein_norm, sub_norm)
@@ -263,7 +263,7 @@ async def init_db():
         await db.execute("DROP TABLE frage_muster")
         await db.execute(CREATE_FRAGE_MUSTER)
     try:  # Migration: subbausteine.fakten (Quell-Fakten je Sub, JSON-Blob) — Extract-once-Grounding.
-        await db.execute("ALTER TABLE subbausteine ADD COLUMN fakten TEXT")  # nullable: COALESCE schützt Bestand
+        await db.execute("ALTER TABLE subbausteine ADD COLUMN fakten TEXT NOT NULL DEFAULT ''")  # DEFAULT '' nötig für NOT NULL beim ADD COLUMN
     except aiosqlite.OperationalError:
         pass
     # Migration: alte vertiefungen-Tabelle → baustein_texte (Bestand = lange Form, art 'deepdive')
@@ -784,12 +784,12 @@ async def put_subbaustein(topic: str, baustein_norm: str, sub_norm: str, baustei
     db = await get_db()
     await db.execute(
         """INSERT INTO subbausteine (topic, baustein_norm, sub_norm, baustein, sub_titel, nennungen, stufe, relevanz, fakten, status, updated_at)
-           VALUES (?, ?, ?, ?, ?, 1, ?, ?, ?, ?, ?)
+           VALUES (?, ?, ?, ?, ?, 1, ?, ?, COALESCE(?, ''), ?, ?)
            ON CONFLICT(topic, baustein_norm, sub_norm) DO UPDATE SET
                baustein = excluded.baustein, sub_titel = excluded.sub_titel,
                stufe = COALESCE(excluded.stufe, subbausteine.stufe),
                relevanz = COALESCE(excluded.relevanz, subbausteine.relevanz),
-               fakten = COALESCE(excluded.fakten, subbausteine.fakten),
+               fakten = COALESCE(NULLIF(excluded.fakten, ''), subbausteine.fakten),
                status = excluded.status, updated_at = excluded.updated_at""",
         (topic, baustein_norm, sub_norm, baustein, sub_titel, stufe, relevanz, fakten, status, _now()),
     )