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64095d1574
Instead, use the new mechanism that allows planner extensions to store private state inside a PlannerInfo, treating GEQO as an in-core planner extension. This is a useful test of the new facility, and also buys back a few bytes of storage. To make this work, we must remove innerrel_is_unique_ext's hack of testing whether join_search_private is set as a proxy for whether the join search might be retried. Add a flag that extensions can use to explicitly signal their intentions instead. Reviewed-by: Andrei Lepikhov <lepihov@gmail.com> Reviewed-by: Melanie Plageman <melanieplageman@gmail.com> Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Discussion: http://postgr.es/m/CA+TgmoYWKHU2hKr62Toyzh-kTDEnMDeLw7gkOOnjL-TnOUq0kQ@mail.gmail.com