ephraimbuddy commented on a change in pull request #21273:
URL: https://github.com/apache/airflow/pull/21273#discussion_r803368623
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File path:
airflow/migrations/versions/b25a55525161_increase_length_of_pool_name.py
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@@ -45,6 +45,8 @@ def upgrade():
def downgrade():
"""Revert Increased length of pool name from 256 to 50 characters"""
- # use batch_alter_table to support SQLite workaround
- with op.batch_alter_table('slot_pool',
table_args=sa.UniqueConstraint('pool')) as batch_op:
- batch_op.alter_column('pool', type_=sa.String(50))
+ conn = op.get_bind()
+ if conn.dialect.name != 'mssql':
Review comment:
It created a unique check constraint implicitly for this column. I will
remove this change as this is below 2.0.0 head
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