Blog media type initial migration.

* mediagoblin/media_types/blog/migrations/562bc42a8fff_blog_media_type_initial_migration.py:
  New file.
This commit is contained in:
Christopher Allan Webber 2016-03-12 15:22:52 -08:00
parent c9ab4b8adb
commit 90779509bb

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"""Blog media type initial migration
Revision ID: 562bc42a8fff
Revises: 52bf0ccbedc1
Create Date: 2016-03-12 23:17:45.477894
"""
# revision identifiers, used by Alembic.
revision = '562bc42a8fff'
down_revision = '52bf0ccbedc1'
branch_labels = ('blog_media_type',)
depends_on = None
from alembic import op
import sqlalchemy as sa
def upgrade():
if op.get_bind().engine.has_table("blogpost__mediadata"):
# Skip; this has already been instantiated
# (probably via sqlalchemy-migrate)
return
op.create_table(
'mediatype__blogs',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('title', sa.Unicode(), nullable=True),
sa.Column('description', sa.UnicodeText(), nullable=True),
sa.Column('author', sa.Integer(), nullable=False),
sa.Column('created', sa.DateTime(), nullable=False),
sa.Column('slug', sa.Unicode(), nullable=True),
sa.ForeignKeyConstraint(['author'], ['core__users.id']),
sa.PrimaryKeyConstraint('id'))
op.create_index(
op.f('ix_mediatype__blogs_author'),
'mediatype__blogs', ['author'], unique=False)
op.create_index(
op.f('ix_mediatype__blogs_created'),
'mediatype__blogs', ['created'], unique=False)
op.create_table(
'blogpost__mediadata',
sa.Column('media_entry', sa.Integer(), nullable=False),
sa.Column('blog', sa.Integer(), nullable=False),
sa.ForeignKeyConstraint(['blog'], ['mediatype__blogs.id']),
sa.ForeignKeyConstraint(['media_entry'], ['core__media_entries.id']),
sa.PrimaryKeyConstraint('media_entry'))
def downgrade():
op.drop_table('blogpost__mediadata')
op.drop_index(op.f('ix_mediatype__blogs_created'),
table_name='mediatype__blogs')
op.drop_index(op.f('ix_mediatype__blogs_author'),
table_name='mediatype__blogs')
op.drop_table('mediatype__blogs')