bm8836900 commented on issue #13690:
URL: https://github.com/apache/superset/issues/13690#issuecomment-808786067
superset version：1.0.1
mysql databse：test
mysql table name：country
在mysql自带测试库test中的country表中，有一个字段“Continent”是用enum类型创建的。在superset创建数据集时，superset会将源表的表结构保存在“table”表中。其中“type”字段是将源表字段数据类型以字符串的形式保存的。所以在遇到较长字符串时，因为“type”字段长度的限制，导致无法保存源表数据结构，导致superset创建数据集失败。例如：
field name：Continent
field data type：ENUM('ASIA','EUROPE','NORTH
AMERICA','AFRICA','OCEANIA','ANTARCTICA','SOUTH AMERICA')
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