presto-main/src/main/java/io/prestosql/sql/planner/plan/TableScanNode.java/TableScanNode/getEnforcedConstraint
class TableScanNode:    public TupleDomain<ColumnHandle> getEnforcedConstraint()
    {
        // enforcedConstraint can be pretty complex. As a result, it may incur a significant cost to serialize, store, and transport.
        checkState(enforcedConstraint != null, "enforcedConstraint should only be used in planner. It is not transported to workers.");
        return enforcedConstraint;
    }