07 2024 档案

what is a junk attribute
摘要：From comments of struct JunkFilter: A junk attribute is an attribute in a tuple that is needed only for storing intermediate information in the execut 阅读全文

posted @ 2024-07-26 17:27 winter-loo 阅读(13) 评论(0) 推荐(0)

randomly gathered good presentations of PG
摘要：https://www.postgresql.eu/events/pgconfeu2017/schedule/session/1585-be-pro-activ-on-postgresql-performance/ https://www.postgresql.eu/events/pgconfeu2 阅读全文

posted @ 2024-07-20 03:38 winter-loo 阅读(10) 评论(0) 推荐(0)

what is NamedTupleStore?
摘要：What NamedTuplestore 按字面意思理解，就是一个有名字的 tuplestore, 那估计就不是一个正常的表。根据 PostgreSQL 的官方叫法，NamedTuplestoreScan 对应的表称为 Ephemeral Named Relation， 中文翻译为 短暂的命名关系. 阅读全文

posted @ 2024-07-08 09:51 winter-loo 阅读(52) 评论(0) 推荐(0)

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