more robust migrations
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@@ -19,21 +19,31 @@ depends_on = None
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def upgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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with op.batch_alter_table('user', schema=None) as batch_op:
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batch_op.alter_column('password_hash',
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existing_type=sa.VARCHAR(length=128),
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type_=sa.String(length=256),
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existing_nullable=True)
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conn = op.get_bind()
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inspector = inspect(conn)
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columns = [col['name'] for col in inspector.get_columns('user')]
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if 'password_hash' in columns:
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with op.batch_alter_table('user', schema=None) as batch_op:
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batch_op.alter_column('password_hash',
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existing_type=sa.VARCHAR(length=128),
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type_=sa.String(length=256),
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existing_nullable=True)
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# ### end Alembic commands ###
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def downgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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with op.batch_alter_table('user', schema=None) as batch_op:
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batch_op.alter_column('password_hash',
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existing_type=sa.String(length=256),
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type_=sa.VARCHAR(length=128),
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existing_nullable=True)
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conn = op.get_bind()
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inspector = inspect(conn)
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columns = [col['name'] for col in inspector.get_columns('user')]
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if 'password_hash' in columns:
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with op.batch_alter_table('user', schema=None) as batch_op:
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batch_op.alter_column('password_hash',
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existing_type=sa.String(length=256),
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type_=sa.VARCHAR(length=128),
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existing_nullable=True)
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# ### end Alembic commands ###
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