From f16878cce91aa9a7d8c1b7626759abb564533058 Mon Sep 17 00:00:00 2001
From: Joseph Schorr <joseph.schorr@coreos.com>
Date: Mon, 22 Sep 2014 14:38:42 -0400
Subject: [PATCH] Add migration for synthetic image tables

---
 ...399bd2_add_support_for_squashing_images.py | 57 +++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 data/migrations/versions/3f6d26399bd2_add_support_for_squashing_images.py

diff --git a/data/migrations/versions/3f6d26399bd2_add_support_for_squashing_images.py b/data/migrations/versions/3f6d26399bd2_add_support_for_squashing_images.py
new file mode 100644
index 000000000..043d68db8
--- /dev/null
+++ b/data/migrations/versions/3f6d26399bd2_add_support_for_squashing_images.py
@@ -0,0 +1,57 @@
+"""add support for squashing images
+
+Revision ID: 3f6d26399bd2
+Revises: 34fd69f63809
+Create Date: 2014-09-22 14:37:30.821785
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '3f6d26399bd2'
+down_revision = '34fd69f63809'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade(tables):
+    ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('imagestoragetransformation',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('name', sa.String(length=255), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index('imagestoragetransformation_name', 'imagestoragetransformation', ['name'], unique=True)
+    op.create_table('derivedimagestorage',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('source_id', sa.Integer(), nullable=True),
+    sa.Column('derivative_id', sa.Integer(), nullable=False),
+    sa.Column('transformation_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['derivative_id'], ['imagestorage.id'], ),
+    sa.ForeignKeyConstraint(['source_id'], ['imagestorage.id'], ),
+    sa.ForeignKeyConstraint(['transformation_id'], ['imagestoragetransformation.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index('derivedimagestorage_derivative_id', 'derivedimagestorage', ['derivative_id'], unique=False)
+    op.create_index('derivedimagestorage_source_id', 'derivedimagestorage', ['source_id'], unique=False)
+    op.create_index('derivedimagestorage_source_id_transformation_id', 'derivedimagestorage', ['source_id', 'transformation_id'], unique=True)
+    op.create_index('derivedimagestorage_transformation_id', 'derivedimagestorage', ['transformation_id'], unique=False)
+    op.drop_index('image_repository_id_docker_image_id', table_name='image')
+    op.create_index('image_repository_id_docker_image_id', 'image', ['repository_id', 'docker_image_id'], unique=True)
+    op.add_column(u'imagestorage', sa.Column('uncompressed_size', sa.BigInteger(), nullable=True))
+    ### end Alembic commands ###
+
+
+def downgrade(tables):
+    ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column(u'imagestorage', 'uncompressed_size')
+    op.drop_index('image_repository_id_docker_image_id', table_name='image')
+    op.create_index('image_repository_id_docker_image_id', 'image', ['repository_id', 'docker_image_id'], unique=False)
+    op.drop_index('derivedimagestorage_transformation_id', table_name='derivedimagestorage')
+    op.drop_index('derivedimagestorage_source_id_transformation_id', table_name='derivedimagestorage')
+    op.drop_index('derivedimagestorage_source_id', table_name='derivedimagestorage')
+    op.drop_index('derivedimagestorage_derivative_id', table_name='derivedimagestorage')
+    op.drop_table('derivedimagestorage')
+    op.drop_index('imagestoragetransformation_name', table_name='imagestoragetransformation')
+    op.drop_table('imagestoragetransformation')
+    ### end Alembic commands ###