MySQL Bugs: #118786: Migration generator will generate an unexpected default value when changing the column name

Bug #118786	Migration generator will generate an unexpected default value when changing the column name
Submitted:	6 Aug 6:13	Modified:	6 Aug 6:29
Reporter:	Raspberry Kan	Email Updates:
Status:	Verified	Impact on me:	None
Category:	Connector / NET	Severity:	S3 (Non-critical)
Version:	9.4.0	OS:	Windows (11 26100)
Assigned to:		CPU Architecture:	x86 (Intel Core i5 8350U)
Tags:	bugs, entityframework

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Description:
When renaming a json-typed column, the migration sql generator will generate an unexped default '' in the sql command. so the migration can't be executed properly.

How to repeat:
The PoC has been provided in 

https://github.com/Raspberry-Monster/MySQL-PoC-EntityFramework-Migration

Hello Raspberry Kan,

Thank you for the report and test case.

regards,
Umesh