text: """Create organization table.
  
  Revision ID: 19fded785b8c
  Revises: 319ee8fe47c7
  Create Date: 2016-01-18 14:40:00
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '19fded785b8c'
  down_revision = '319ee8fe47c7'
  MYSQL_CHARSET = 'utf8'
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      """Upgrade DB."""
      op.create_table(
          'organization',
          sa.Column('updated_at', sa.DateTime()),
          sa.Column('deleted_at', sa.DateTime()),
          sa.Column('deleted', sa.Integer, default=0),
          sa.Column('created_at', sa.DateTime(), nullable=False),
          sa.Column('id', sa.String(36), nullable=False),
          sa.Column('type', sa.Integer(), nullable=False),
          sa.Column('name', sa.String(length=80), nullable=False),
          sa.Column('description', sa.Text()),
          sa.Column('group_id', sa.String(36), nullable=False),
          sa.Column('created_by_user', sa.String(128), nullable=False),
          sa.Column('properties', sa.Text()),
          sa.PrimaryKeyConstraint('id'),
          sa.ForeignKeyConstraint(['group_id'], ['group.id'], ),
          sa.ForeignKeyConstraint(['created_by_user'], ['user.openid'], ),
          mysql_charset=MYSQL_CHARSET
      )
  
  
  def downgrade():
      """Downgrade DB."""
      op.drop_table('organization')
  