When using GoFrame ORM to query data, since the field value is a generic object, the returned data type will be automatically recognized and mapped to the Go variable type as the concrete value of the generic.

For example:

• When the field type is int(xx), the queried field value type will be recognized as int type
• When the field type is varchar(xxx)/ char(xxx)/ text, etc., it will be automatically recognized as string type
• ……

Taking mysql types as an example, the following introduces the automatic recognition and mapping relationship between database types and Go variable types:

tip

The version may be updated iteratively, please check the source code for details https://github.com/gogf/gf/blob/master/database/gdb/gdb_core_structure.go

This feature is especially friendly for encoding query results and directly returning them to the client via methods like JSON.