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fix: alembic migration error msg trying to delete constraint on tables #11115

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merged 4 commits into from
Oct 1, 2020
Merged

fix: alembic migration error msg trying to delete constraint on tables #11115

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3a359b0
fix: alembic migration fails by deleting non existent constraint on t…
dpgaspar Sep 30, 2020
4219f83
Revert "fix: alembic migration fails by deleting non existent constra…
dpgaspar Sep 30, 2020
ef93f98
mantain migration but just for MySQL and add downgrade procedure
dpgaspar Sep 30, 2020
35c93bc
skip the downgrade
dpgaspar Oct 1, 2020
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6 changes: 3 additions & 3 deletions superset/migrations/versions/18532d70ab98_fix_table_unique_constraint_in_mysql.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,15 +27,15 @@
down_revision = "3fbbc6e8d654"

from alembic import op
from sqlalchemy.dialects.mysql.base import MySQLDialect


def upgrade():
try:
bind = op.get_bind()
if isinstance(bind.dialect, MySQLDialect):
# index only exists in mysql db
with op.get_context().autocommit_block():
op.drop_constraint("table_name", "tables", type_="unique")
except Exception as ex:
print(ex)


def downgrade():
Expand Down