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fix: catch IntegrityError on sessions.title UNIQUE index creation #65628

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fix: catch IntegrityError on sessions.title UNIQUE index creation #65628

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12 changes: 12 additions & 0 deletions hermes_state.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1783,6 +1783,18 @@ def _init_schema(self):
"CREATE UNIQUE INDEX IF NOT EXISTS idx_sessions_title_unique "
"ON sessions(title) WHERE title IS NOT NULL"
)
except sqlite3.IntegrityError:
# Duplicate titles exist — deduplicate by keeping the newest row
cursor.execute(
"DELETE FROM sessions WHERE rowid NOT IN ("
" SELECT MAX(rowid) FROM sessions"
" WHERE title IS NOT NULL GROUP BY title"
")"
)
cursor.execute(
"CREATE UNIQUE INDEX IF NOT EXISTS idx_sessions_title_unique "
"ON sessions(title) WHERE title IS NOT NULL"
)
except sqlite3.OperationalError:
pass # Index already exists

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