pg_type_encoding
pg_type_encoding
系统目录表用于存储列的存储类型信息。
列名 | 类型 | 约束 | 存储方式 | 说明 |
---|---|---|---|---|
typeid | oid | not null | plain | 引用 pg_attribute 的外键。 |
typoptions | ARRAY | extended | 实际的存储选项。 |
pg_type_encoding
系统目录表用于存储列的存储类型信息。
列名 | 类型 | 约束 | 存储方式 | 说明 |
---|---|---|---|---|
typeid | oid | not null | plain | 引用 pg_attribute 的外键。 |
typoptions | ARRAY | extended | 实际的存储选项。 |
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