9.24. EXPLAIN

    • Fragment is executed on a single node.
    • Fragment is executed on a fixed number of nodes with the input datadistributed using a hash function.
    • ROUND_ROBIN
    • Fragment is executed on a fixed number of nodes with the input databroadcasted to all nodes.
    • SOURCE
    • Fragment is executed on nodes where input splits are accessed.

    Logical plan:

    Validate:

    EXPLAIN ANALYZE