Job is idle — throughput ~0; structure shown.
Fragment 52655 (Actor 738123,738124)
StreamSink { type: upsert, columns: [user_id, account_group_id, type], downstream_pk: [user_to_account_groups_mv.user_id, user_to_account_groups_mv.type] }
├── output: [ user_to_account_groups_mv.user_id, user_to_account_groups_mv.account_group_id, user_to_account_groups_mv.type ]
├── stream key: [ user_to_account_groups_mv.user_id, user_to_account_groups_mv.type ]
└── StreamTableScan { table: user_to_account_groups_mv, columns: [user_id, account_group_id, type] }
├── output: [ user_to_account_groups_mv.user_id, user_to_account_groups_mv.account_group_id, user_to_account_groups_mv.type ]
├── stream key: [ user_to_account_groups_mv.user_id, user_to_account_groups_mv.type ]
├── Upstream { output: [ user_id, account_group_id, type ], stream key: [] }
└── BatchPlanNode { output: [ user_id, account_group_id, type ], stream key: [] }