New constructs an instance of the execution node builder using the given factory to construct nodes.

NumRecordedJoinTypes includes all join types except for descpb.RightSemiJoin and descpb.RightAntiJoin, which are recorded as left joins.

Builder constructs a tree of execution nodes (exec.Node) from an optimized expression tree (opt.Expr).

IndexesUsed is a list of indexes used in a query.