Cannot add decimal

[prectikal]

Steps to reproduce

1. Set Type as Decimal
2. Set Decimal format as Decimal (12,2)

Expected behaviour

Tell us what should happen
It should saved as Decimal (12,2) when saved.

Actual behaviour

Tell us what happens instead
It always return to Decimal (12,0) when saved

Server configuration

Operating system:
Win10
Web server:
Apache 2.4.23
Database:
MySQL 5.7.14
PHP version:
PHP 5.6.25
phpMyAdmin version:
phpMyAdmin 4.6.4

Client configuration

Browser:
Firefox
Operating system:
Win10

[prectikal]

Just notice this also happens when the comment column is edited and save, the type = Decimal(12,2) becomes Decimal(12,0). I was able to change the decimal(12,0) to decimal(12,2) using the console but not with the GUI.

[nijel]

Duplicate of #12480