Add download counting

migrations/versions/9ec17b558413_.py

@@ -0,0 +1,28 @@
+"""empty message
+
+Revision ID: 9ec17b558413
+Revises: 97a9c461bc2d
+Create Date: 2019-01-29 00:37:49.507631
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '9ec17b558413'
+down_revision = '97a9c461bc2d'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('package_release', sa.Column('downloads', sa.Integer(), nullable=False, server_default="0"))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('package_release', 'downloads')
+    # ### end Alembic commands ###