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Fix migration transaction poisoning: ADD COLUMN IF NOT EXISTS

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Migrations used try/except around ADD COLUMN inside a single engine.begin()
block. When a 'column already exists' error was caught, asyncpg left the
transaction in aborted state, causing all subsequent DDL in the block to fail
with InFailedSQLTransactionError. Replace with IF NOT EXISTS to prevent the
error entirely.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
jtricerolph 2026-07-12 19:53:26 +00:00
parent e7e1fda9f6
commit bc874ac9ff
25 changed files with 302 additions and 302 deletions
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6
backend/migrations/add_newbook_arrival_tracking.py
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@ -26,9 +26,9 @@ async def run_migration():
# Add arrival tracking columns to newbook_daily_occupancy table
arrival_columns = [
"ALTER TABLE newbook_daily_occupancy ADD COLUMN arrival_count INTEGER",
"ALTER TABLE newbook_daily_occupancy ADD COLUMN arrival_booking_ids JSONB",
"ALTER TABLE newbook_daily_occupancy ADD COLUMN arrival_booking_details JSONB",
"ALTER TABLE newbook_daily_occupancy ADD COLUMN IF NOT EXISTS arrival_count INTEGER",
"ALTER TABLE newbook_daily_occupancy ADD COLUMN IF NOT EXISTS arrival_booking_ids JSONB",
"ALTER TABLE newbook_daily_occupancy ADD COLUMN IF NOT EXISTS arrival_booking_details JSONB",
]
for sql in arrival_columns: