old_contents: """empty message
  
  Revision ID: 4093ccb6d914
  Revises: None
  Create Date: 2014-04-30 22:02:09.991428
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '4093ccb6d914'
  down_revision = None
  
  from alembic import op
  import sqlalchemy as sa
  from datetime import datetime
  
  
  def upgrade():
      op.create_table('gallery',
          sa.Column('id', sa.Integer(), nullable=False),
          sa.Column('name', sa.Text(), nullable=False),
          sa.Column('folder', sa.Text(length=255), nullable=False),
          sa.Column('share_code', sa.Text(), nullable=False),
          sa.Column('modified', sa.DateTime(timezone=True), default=datetime.utcnow),
          sa.Column('created', sa.DateTime(timezone=True), nullable=True),
          sa.PrimaryKeyConstraint('id'),
          sa.UniqueConstraint('folder')
      )
      op.create_table('user',
          sa.Column('id', sa.Integer(), nullable=False),
          sa.Column('name', sa.Text(length=255), nullable=False),
          sa.Column('password', sa.Text(), nullable=False),
          sa.Column('role', sa.Text(), nullable=False, server_default="user"),
          sa.PrimaryKeyConstraint('id'),
          sa.UniqueConstraint('name')
      )
  
  
  def downgrade():
      op.drop_table('user')
      op.drop_table('gallery')
  
new_contents: """empty message
  
  Revision ID: 4093ccb6d914
  Revises: None
  Create Date: 2014-04-30 22:02:09.991428
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '4093ccb6d914'
  down_revision = None
  
  from alembic import op
  import sqlalchemy as sa
  from datetime import datetime
  
  
  def upgrade():
      op.create_table('gallery',
          sa.Column('id', sa.Integer(), nullable=False),
          sa.Column('name', sa.Text(), nullable=False),
          sa.Column('folder', sa.types.VARCHAR(length=255), nullable=False),
          sa.Column('share_code', sa.Text(), nullable=False),
          sa.Column('modified', sa.DateTime(timezone=True), default=datetime.utcnow),
          sa.Column('created', sa.DateTime(timezone=True), nullable=True),
          sa.PrimaryKeyConstraint('id'),
          sa.UniqueConstraint('folder')
      )
      op.create_table('user',
          sa.Column('id', sa.Integer(), nullable=False),
          sa.Column('name', sa.types.VARCHAR(length=255), nullable=False),
          sa.Column('password', sa.Text(), nullable=False),
          sa.Column('role', sa.Text(), nullable=False, server_default="user"),
          sa.PrimaryKeyConstraint('id'),
          sa.UniqueConstraint('name')
      )
  
  
  def downgrade():
      op.drop_table('user')
      op.drop_table('gallery')
  
subject: Convert text columns to varchar for mysql