Add constraint for release tasks and approval

1 files changed, 26 insertions, 0 deletions

diff --git a/migrations/versions/306ce331a2a7_.py b/migrations/versions/306ce331a2a7_.py
new file mode 100644
index 0000000..7e7c0ce
--- /dev/null
+++ b/migrations/versions/306ce331a2a7_.py
@@ -0,0 +1,26 @@
+"""empty message
+
+Revision ID: 306ce331a2a7
+Revises: 6dca6eceb04d
+Create Date: 2020-01-18 23:00:40.487425
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '306ce331a2a7'
+down_revision = '6dca6eceb04d'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+	conn = op.get_bind()
+	op.create_check_constraint("CK_approval_valid", "package_release", "not approved OR (task_id IS NULL AND NOT url = '')")
+
+
+def downgrade():
+	conn = op.get_bind()
+	op.drop_constraint("CK_approval_valid", "package_release", type_="check")