插入的数据可触发自动 vacuum
Recorded source states and original language descriptions. Missing version evidence stays unknown.
The source snapshot records transitions for PostgreSQL 8.1–18. The historical matrix records independent cells for 7.4–18. Neither records support for PostgreSQL 19 or 20; newer versions remain unknown. These source claims are distinct from runtime measurements.
No translation of this description is recorded. The original Chinese description is shown. The source label is retained in Chinese; no translated label is recorded.
后端
Description
这一新行为减少了表需要冻结时的必要工作量，并允许页面被设置为全可见。全可见页面允许仅索引扫描访问更少的堆行。
Selected version: PostgreSQL 18
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Original documentation links
Related source snapshot entry · The original source supplies this relationship; each matrix retains its own states.
Complete source facts and provenance
legacy · center · 9af1b48836311df3199c56ce5b7a3f0f5a4658eab93b7a68f8f3d2bd2618faf0
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