Postgresql 中文操作指南

37.51. sql_sizing #

sql_sizing 包含有关 PostgreSQL 中各种大小限制和最大值的信息。此信息主要用于 ODBC 接口;其他接口的用户可能会发现此信息对他们几乎没有用处。出于此原因,此处未描述各个大小项目;您会在 ODBC 接口的描述中找到它们。

The table sql_sizing contains information about various size limits and maximum values in PostgreSQL. This information is primarily intended for use in the context of the ODBC interface; users of other interfaces will probably find this information to be of little use. For this reason, the individual sizing items are not described here; you will find them in the description of the ODBC interface.

Table 37.49. sql_sizing Columns

Table 37.49. sql_sizing Columns

Column Type

Description

sizing_id cardinal_number

Identifier of the sizing item

sizing_name character_data

Descriptive name of the sizing item

supported_value cardinal_number

Value of the sizing item, or 0 if the size is unlimited or cannot be determined, or null if the features for which the sizing item is applicable are not supported

comments character_data

Possibly a comment pertaining to the sizing item