READY

Query has been processed and is ready for execution.

COST_RECV/RECEIVED

Node has received either the cost estimate or plan query.

COST_RUNNING/EXECUTING

Node is running either the cost estimate or plan query.

COST_COMPLETE/COMPLETE

Node has completed the cost estimate or plan query query.

COST_FAILED/FAILED

Cost estimate/plan query failed at this node.

LOADING

Node is uploading data from an earlier node.

PASSED

Node has passed the plan to the next node and is awaiting results.