SCHEMA CHANGE: Add comment_count to Torrent

with a helper function on Torrent to update the count.

migrations/versions/2bceb2cb4d7c_add_comment_count_to_torrent.py

@@ -0,0 +1,44 @@
+"""Add comment_count to Torrent
+
+Revision ID: 2bceb2cb4d7c
+Revises: d0eeb8049623
+Create Date: 2017-05-26 15:07:21.114331
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '2bceb2cb4d7c'
+down_revision = 'd0eeb8049623'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('nyaa_torrents', sa.Column('comment_count', sa.Integer(), nullable=False))
+    op.create_index(op.f('ix_nyaa_torrents_comment_count'), 'nyaa_torrents', ['comment_count'], unique=False)
+
+    try:
+        op.add_column('sukebei_torrents', sa.Column('comment_count', sa.Integer(), nullable=False))
+        op.create_index(op.f('ix_sukebei_torrents_comment_count'), 'sukebei_torrents', ['comment_count'], unique=False)    
+    except (sa.exc.OperationalError, sa.exc.ProgrammingError):
+        print('Could not upgrade sukebei!')
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_nyaa_torrents_comment_count'), table_name='nyaa_torrents')
+    op.drop_column('nyaa_torrents', 'comment_count')
+
+    try:
+        op.drop_index(op.f('ix_sukebei_torrents_comment_count'), table_name='sukebei_torrents')
+        op.drop_column('sukebei_torrents', 'comment_count')
+    except (sa.exc.OperationalError, sa.exc.ProgrammingError):
+        print('Could not downgrade sukebei!')
+
+    # ### end Alembic commands ###