2012-09-14 migration error

gistfile1.txt

rake db:migrate
(in /opt/workfeed)
==  PreMigrateTask: started.
-- /opt/workfeed/db/pre_migrate/000_pg_log_type.sql
NOTICE:  drop cascades to 13 other objects
DETAIL:  drop cascades to function "pg_log$get_log_data"(timestamp without time zone,timestamp without time zone,text,boolean)
drop cascades to view all_queries_td
drop cascades to view all_queries_wk
drop cascades to view all_queries_mn
drop cascades to view ddl_queries_td
drop cascades to view ddl_queries_wk
drop cascades to view ddl_queries_mn
drop cascades to view dml_queries_td
drop cascades to view dml_queries_wk
drop cascades to view dml_queries_mn
drop cascades to view log_errors_td
drop cascades to view log_errors_wk
drop cascades to view log_errors_mn
-- /opt/workfeed/db/pre_migrate/100_db_util.sql
-- /opt/workfeed/db/pre_migrate/200_misc_util.sql
-- /opt/workfeed/db/pre_migrate/300_pg_log_util.sql
-- /opt/workfeed/db/pre_migrate/400_ut.sql
-- /opt/workfeed/db/pre_migrate/500_views.sql
-- /opt/workfeed/db/pre_migrate/600_ddl_views.sql
-- /opt/workfeed/db/pre_migrate/700_dml_views.sql
-- /opt/workfeed/db/pre_migrate/800_error_log_views.sql
-- /opt/workfeed/db/pre_migrate/900_monitor_views.sql
NOTICE:  drop cascades to view mn_unused_public_indexes
NOTICE:  view "mn_unused_public_indexes" does not exist, skipping
NOTICE:  drop cascades to view mn_waiting_locks
NOTICE:  view "mn_waiting_locks" does not exist, skipping
==  PreMigrateTask: done (0.0697s).
==  DevOnlySetupFailoverTables: migrating =====================================
RUNNING: echo 'create database yam_shards' | psql -w -U postgres -h localhost
ERROR:  database "yam_shards" already exists
NOTICE:  relation "network_shards_groups" already exists, skipping
NOTICE:  relation "network_shards_info" already exists, skipping
NOTICE:  relation "network_shards_map" already exists, skipping
NOTICE:  relation "vertical_shards_info" already exists, skipping
NOTICE:  relation "legacy_shards_info" already exists, skipping
rake aborted!
An error has occurred, this and all later migrations canceled:

Sharding::DifferentTransactionOpenError