Wiki / Functions
col_description
Returns the comment for a table column, which is specified by the OID of its table and its column number. (obj_description cannot be used for table columns, since columns do not have OIDs of their own.)
English manual coverage begins with PostgreSQL 7.1. Source history and runtime observations have their own recorded version boundaries.
Reading PG 18·Select a recorded version
- group
- info
- group label
- 系统信息函数和操作符
- lang
- en
- layout
- table-new
- pages
- functions-info.html
- prose only
- false
Complete source facts
documentation revision
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