Re: pgsql-server/ ontrib/tablefunc/tablefunc.c rc/ ...
От | Joe Conway |
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Тема | Re: pgsql-server/ ontrib/tablefunc/tablefunc.c rc/ ... |
Дата | |
Msg-id | 3E6AABA8.3090609@joeconway.com обсуждение исходный текст |
Ответ на | pgsql-server/ ontrib/tablefunc/tablefunc.c rc/ ... (tgl@postgresql.org (Tom Lane)) |
Ответы |
Re: pgsql-server/ ontrib/tablefunc/tablefunc.c rc/ ...
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Список | pgsql-committers |
Tom Lane wrote: > Log message: > Revise tuplestore and nodeMaterial so that we don't have to read the > entire contents of the subplan into the tuplestore before we can return > any tuples. Instead, the tuplestore holds what we've already read, and > we fetch additional rows from the subplan as needed. Random access to > the previously-read rows works with the tuplestore, and doesn't affect > the state of the partially-read subplan. This is a step towards fixing > the problems with cursors over complex queries --- we don't want to > stick in Materialize nodes if they'll prevent quick startup for a cursor. > So if I understand this correctly, tuplestore_donestoring() is not used anymore (and doen't even exist)? Anything else changed in tuplestore behavior? I have to update PL/R also for this. Thanks, Joe
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