ColumnKnowledgeInfo

Parameter	Type	Description
	object
Description	string	The column description in the table creation statement.
ColumnType	string	The data type of the column.
AssetDescription	string	The user-provided business knowledge for the column. To modify this content, call the EditMetaKnowledgeAsset operation.
Position	integer	The position of the column in the table creation statement.
AssetModifiedGmt	string	The last modified time of the business knowledge.
ColumnName	string	The column name.
Level	integer