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"""make username unique
Revision ID: 135ba3ff136a
Revises: 5de5fdfbe69a
Create Date: 2021-03-05 18:07:36.955364
"""
from alembic import op
import sqlalchemy as sa
import sqlalchemy_utc
from sqlalchemy.dialects import mysql
# revision identifiers, used by Alembic.
revision = '135ba3ff136a'
down_revision = '5de5fdfbe69a'
branch_labels = None
depends_on = None
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.alter_column('episode', 'episode_number',
existing_type=mysql.INTEGER(),
nullable=True)
op.alter_column('episode', 'release_date',
existing_type=mysql.VARCHAR(collation='utf8mb4_unicode_ci', length=256),
nullable=True)
op.create_unique_constraint(None, 'user', ['username'])
# ### end Alembic commands ###
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.drop_constraint(None, 'user', type_='unique')
op.alter_column('episode', 'release_date',
existing_type=mysql.VARCHAR(collation='utf8mb4_unicode_ci', length=256),
nullable=False)
op.alter_column('episode', 'episode_number',
existing_type=mysql.INTEGER(),
nullable=False)
# ### end Alembic commands ###
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