django - How to permanetly fix a mysql error: Data truncated for column with an alter table statement? -


i have field 

logo=models.imagefield(upload_to="restaurant_detail/restaurant_detail", help_text = "upload restaurant logo")

this returns error,data truncated column 'logo' @ row 1

so go ahead fix statement 

alter table my_table modify logo varchar(500)

(i increase characters.)

this works everytime reset database have again and when try , execute alter statement above , insert data, still fails data truncated column 'logo' @ row 1 error.

how permanently fix without having alter table time?

change field definition to:

logo = models.imagefield(max_length=500, upload_to="restaurant_detail/restaurant_detail", help_text="upload restaurant logo")

i added max_length kwarg tells django how many chars field can store , cause database field created appropriately.


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