FULL OUTER JOIN、LEFT OUTER JOIN 和 RIGHT OUTER JOIN 的哈希支持
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.
性能
Description
允许 FULL OUTER JOIN 以哈希连接方式实现，并允许对 LEFT OUTER JOIN 或 RIGHT OUTER JOIN 的任一侧进行哈希
Selected version: PostgreSQL 18
No
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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 · 1c0803ea579544fcdd13ebeddba97405a0eaadd5ed1fedb5956334c12dcf9964
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