"""init

Revision ID: de7d23a4b139
Revises: 85284752d1d5
Create Date: 2022-05-01 08:41:03.244262

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = 'de7d23a4b139'
down_revision = '85284752d1d5'
branch_labels = None
depends_on = None

def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('tags', sa.Column('tag_name', sa.Unicode(length=25), nullable=False))
    op.create_unique_constraint(op.f('uq_tags_tag_name'), 'tags', ['tag_name'])
    op.add_column('topics', sa.Column('topic_name', sa.Unicode(length=25), nullable=False))
    op.create_unique_constraint(op.f('uq_topics_topic_name'), 'topics', ['topic_name'])
    # ### end Alembic commands ###

def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_constraint(op.f('uq_topics_topic_name'), 'topics', type_='unique')
    op.drop_column('topics', 'topic_name')
    op.drop_constraint(op.f('uq_tags_tag_name'), 'tags', type_='unique')
    op.drop_column('tags', 'tag_name')
    # ### end Alembic commands ###