smallserial 类型
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.
数据类型、函数和运算符
Description
一种使用 smallint（2 字节整数）作为基础类型的序列数据类型，具有较小的数值范围，但占用更少的存储空间。
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 · 1da64f37c00e8b70789de98c00c3cff8cba97d9c77fa860362a6a0c9d5028781
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