<div dir="ltr"><div>Hola Dan,</div><div><br></div><div dir="ltr">Noticed that Tamas Bunth checked in two patchs today regarding MySQL foreign keys, it is marked as fixing issues in <div><a href="https://bugs.documentfoundation.org/show_bug.cgi?id=122437">https://bugs.documentfoundation.org/show_bug.cgi?id=122437</a><br></div><div>I wonder if it might also address the problem here.</div><div><br></div><div>I would give it a try with the latest 6.3 daily build in a day or two and see if that does it. </div><div><br></div><div>Best wishes,</div><div><br></div><div>Drew</div></div></div><br><div class="gmail_quote"><div dir="ltr">On Sat, Jan 12, 2019 at 1:24 PM Dan Lewis <<a href="mailto:grandpadan.lewis@gmail.com">grandpadan.lewis@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">When upgrading MySQL 8.0.13 from 5.7, a problem occurs if any of the <br>
foreign key restraints contains a primary key with one or more capital <br>
letters in it. MySQL converts any capital letters to lower case in the <br>
foreign key restraint while still recognizing the primary key with its <br>
capital.<br>
<br>
For example: the primary key is Primary_id and its foreign key is <br>
foreign_id. In practice, the restraint links these two fields: <br>
primary_id and foreign_id respectively. Since primary_id contains no <br>
data, the related tables can not be used in a query.<br>
<br>
A warning of some type should be made stating that primary keys are not <br>
to have any capital letters in it.<br>
<br>
Dan<br>
<br>
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