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fix: migration to check column existence before dropping #101

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Merged
geeth24 merged 1 commit into from
Dec 2, 2025
Merged

fix: migration to check column existence before dropping #101

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17 changes: 11 additions & 6 deletions server/alembic/versions/2264546da1d9_simplify_alert_preferences.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,13 +20,18 @@

def upgrade() -> None:
"""Upgrade schema."""
# ### commands auto generated by Alembic - please adjust! ###
with op.batch_alter_table('user_alert_preferences', schema=None) as batch_op:
batch_op.drop_column('alert_types')
batch_op.drop_column('email_min_severity')
batch_op.drop_column('disaster_types')
# Check if columns exist before dropping them (idempotent migration)
conn = op.get_bind()
inspector = sa.inspect(conn)
columns = [col["name"] for col in inspector.get_columns("user_alert_preferences")]

# ### end Alembic commands ###
with op.batch_alter_table('user_alert_preferences', schema=None) as batch_op:
if "alert_types" in columns:
batch_op.drop_column("alert_types")
if "email_min_severity" in columns:
batch_op.drop_column("email_min_severity")
if "disaster_types" in columns:
batch_op.drop_column("disaster_types")


def downgrade() -> None:
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