[WIP] Fixes for selects from hive_posts table

hive/indexer/cached_post.py

hive/indexer/feed_cache.py

hive/indexer/jobs.py

hive/server/bridge_api/cursor.py

hive/server/bridge_api/methods.py

hive/server/bridge_api/objects.py

hive/server/bridge_api/support.py

hive/server/bridge_api/thread.py

hive/server/condenser_api/cursor.py

hive/server/condenser_api/objects.py

hive/server/hive_api/common.py

hive/server/hive_api/notify.py

hive/server/hive_api/objects.py