text: """Initial Migration
  
  Revision ID: bc9d3b06eca4
  Revises: 
  Create Date: 2020-12-04 13:49:48.027121
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  # revision identifiers, used by Alembic.
  revision = 'bc9d3b06eca4'
  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=255), nullable=True),
      sa.PrimaryKeyConstraint('id')
      )
      op.create_table('users',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('username', sa.String(length=255), nullable=True),
      sa.Column('email', sa.String(length=255), nullable=True),
      sa.Column('role_id', sa.Integer(), nullable=True),
      sa.Column('bio', sa.String(length=255), nullable=True),
      sa.Column('profile_pic_path', sa.String(), nullable=True),
      sa.Column('password_hash', sa.String(length=255), 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_table('blogs',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('user_id', sa.Integer(), nullable=False),
      sa.Column('posted', sa.DateTime(), nullable=False),
      sa.Column('title', sa.String(length=120), nullable=False),
      sa.Column('body', sa.Text(), nullable=False),
      sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
      sa.PrimaryKeyConstraint('id')
      )
      op.create_index(op.f('ix_blogs_posted'), 'blogs', ['posted'], unique=False)
      op.create_table('comments',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('body', sa.String(), nullable=True),
      sa.Column('posted', sa.DateTime(), nullable=True),
      sa.Column('author_id', sa.Integer(), nullable=True),
      sa.Column('blog_id', sa.Integer(), nullable=True),
      sa.ForeignKeyConstraint(['author_id'], ['users.id'], ),
      sa.ForeignKeyConstraint(['blog_id'], ['blogs.id'], ),
      sa.PrimaryKeyConstraint('id')
      )
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_table('comments')
      op.drop_index(op.f('ix_blogs_posted'), table_name='blogs')
      op.drop_table('blogs')
      op.drop_index(op.f('ix_users_email'), table_name='users')
      op.drop_table('users')
      op.drop_table('roles')
      # ### end Alembic commands ###
  