text: """Initial Migration
  
  Revision ID: 2ca03e41c546
  Revises: 
  Create Date: 2020-02-21 10:06:38.898992
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  # revision identifiers, used by Alembic.
  revision = '2ca03e41c546'
  down_revision = None
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.create_table('roles',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('name', sa.String(length=64), nullable=True),
      sa.Column('default', sa.Boolean(), nullable=True),
      sa.Column('permissions', sa.Integer(), nullable=True),
      sa.PrimaryKeyConstraint('id'),
      sa.UniqueConstraint('name')
      )
      op.create_index(op.f('ix_roles_default'), 'roles', ['default'], unique=False)
      op.create_table('users',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('email', sa.String(length=64), nullable=True),
      sa.Column('username', sa.String(length=64), nullable=True),
      sa.Column('role_id', sa.Integer(), nullable=True),
      sa.Column('password_hash', sa.String(length=128), nullable=True),
      sa.Column('confirmed', sa.Boolean(), nullable=True),
      sa.Column('name', sa.String(length=64), nullable=True),
      sa.Column('location', sa.String(length=64), nullable=True),
      sa.Column('about_me', sa.Text(), nullable=True),
      sa.Column('member_since', sa.DateTime(), nullable=True),
      sa.Column('last_seen', sa.DateTime(), nullable=True),
      sa.Column('avatar_hash', sa.String(length=32), nullable=True),
      sa.ForeignKeyConstraint(['role_id'], ['roles.id'], ),
      sa.PrimaryKeyConstraint('id')
      )
      op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True)
      op.create_index(op.f('ix_users_username'), 'users', ['username'], unique=True)
      op.create_table('posts',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('post_title', sa.String(), nullable=True),
      sa.Column('post_content', sa.String(), nullable=True),
      sa.Column('post_date', sa.DateTime(), nullable=True),
      sa.Column('user_id', sa.Integer(), nullable=True),
      sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
      sa.PrimaryKeyConstraint('id')
      )
      op.create_table('comments',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('body', sa.Text(), nullable=True),
      sa.Column('body_html', sa.Text(), nullable=True),
      sa.Column('timestamp', sa.DateTime(), nullable=True),
      sa.Column('disabled', sa.Boolean(), nullable=True),
      sa.Column('author_id', sa.Integer(), nullable=True),
      sa.Column('post_id', sa.Integer(), nullable=True),
      sa.ForeignKeyConstraint(['author_id'], ['users.id'], ),
      sa.ForeignKeyConstraint(['post_id'], ['posts.id'], ),
      sa.PrimaryKeyConstraint('id')
      )
      op.create_index(op.f('ix_comments_timestamp'), 'comments', ['timestamp'], unique=False)
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_index(op.f('ix_comments_timestamp'), table_name='comments')
      op.drop_table('comments')
      op.drop_table('posts')
      op.drop_index(op.f('ix_users_username'), table_name='users')
      op.drop_index(op.f('ix_users_email'), table_name='users')
      op.drop_table('users')
      op.drop_index(op.f('ix_roles_default'), table_name='roles')
      op.drop_table('roles')
      # ### end Alembic commands ###
  