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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">Suppose you add a record to your `Package` table…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"> student_id = 12345<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"> new_package = Package()
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"> new_package.student_id = student_id<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"> db.session.add(new_package)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"> db.session.commit()<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">Now suppose you want to remove that record from your table… You must query and retrieve the record you want to delete, then delete it.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"> package_to_delete = Package.query.filter_by(student_id=12345).first()<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"> db.session.delete(package_to_delete)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"> db.session.commit()<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">Does that make any sense?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">-Spencer<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-family:Calibri;color:black">From: </span>
</b><span style="font-family:Calibri;color:black">Flask <flask-bounces+spenceryoung=ufl.edu@python.org> on behalf of Anonymous Coder <anonymouscodar@gmail.com><br>
<b>Date: </b>Monday, March 6, 2017 at 1:54 AM<br>
<b>To: </b>Corey Boyle <coreybrett@gmail.com><br>
<b>Cc: </b>flask <Flask@python.org><br>
<b>Subject: </b>Re: [Flask] Deleting Flask tables conditionally<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I your solution but this isn't working at all to my surprise. I can create rows in tables but I can't delete. I tried a dozen solutions from google. But mine don't work at all. Please advise.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Sun, Mar 5, 2017 at 11:18 PM, Corey Boyle <<a href="mailto:coreybrett@gmail.com" target="_blank">coreybrett@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Please clarify... by "table", do you mean "row" or "record"?<br>
<br>
Regarding deleteing, I think this line<br>
package = Package()<br>
Needs to be replaced with a query that returns the single object that<br>
you want to delete.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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