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"""moving icons to their own table
Revision ID: 25ca960a207
Revises: 19bdaa6208e
Create Date: 2015-08-03 14:36:21.626411
"""
# revision identifiers, used by Alembic.
revision = '25ca960a207'
down_revision = '19bdaa6208e'
from alembic import op
import sqlalchemy as sa
import conf
def upgrade():
op.create_table('icon',
sa.Column('url', sa.String(), nullable=False),
sa.Column('content', sa.String(), nullable=True),
sa.Column('mimetype', sa.String(), nullable=True),
sa.PrimaryKeyConstraint('url'))
op.add_column('feed', sa.Column('icon_url', sa.String(), nullable=True))
if 'sqlite' not in conf.SQLALCHEMY_DATABASE_URI:
op.create_foreign_key(None, 'feed', 'icon', ['icon_url'], ['url'])
op.drop_column('feed', 'icon')
def downgrade():
op.add_column('feed', sa.Column('icon', sa.VARCHAR(), nullable=True))
if 'sqlite' not in conf.SQLALCHEMY_DATABASE_URI:
op.drop_constraint(None, 'feed', type_='foreignkey')
op.drop_column('feed', 'icon_url')
op.drop_table('icon')
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