*PLEASE ALLOW ME TO RECTIFY MYSELF, LOOKING AT THE SCREEN 6HRS STRAIGHT IS
NOT HEALTHY, ONE ENDS UP MAKING REALLY STUPID MISTAKES AND CALLING ON
EVERYONE TO ASSIST THEM! LIKE I DIDthis is wrong!!*
*<td>{{=students.guardian.guardian}}</td>this must
be<td>{{=students.guardian.surname}}</td> thanks for allowing me to figure
this one out*
On Wednesday, October 25, 2017 at 9:55:28 AM UTC+2, mostwanted wrote:
>
>
>
> *WHEN I TRY ENTERING A STUDENT'S DETAILS AND SELECTING THEIR GUARDIAN AS
> FROM THE DROP DOWN MENU AS REFERNCED I GET A FOREIGN CONSTRAINT FAILED
> ERROR MESSAGEMY TABLES*
>
> db.define_table('guardian',
> Field('surname', requires=IS_NOT_EMPTY()),
> Field('name', requires=IS_NOT_EMPTY()),
> Field('contact_number'),
> format='%(surname)s')
>
> db.define_table('student',
> Field('surname', requires=IS_NOT_EMPTY()),
> Field('name', requires=IS_NOT_EMPTY()),
> Field('photo', 'upload', requires=IS_NOT_EMPTY()),
> Field('guardian', 'reference guardian'),
> Field('class_name', 'reference student_class'),
> Field('dob', 'date', requires=IS_NOT_EMPTY()),
> format='%(surname)s')
>
> *MY CONTROLLER*
>
> def show_students():
> show_students=db(db.student).select(db.student.ALL)
> return locals()
>
>
>
> *MY VIEW*<div id="container">
> <h2>SELECT A STUDENT TO VIEW THEIR PROFILE</h2>
> <table>
> <tr>
> <th>SURNAME</th>
> <th>NAME</th>
> <th>CLASS</th>
> <th>GUARDIAN</th>
> </tr>
> {{for students in show_students:}}
> <tr>
> <td>{{=A('VIEW', _class="glyphicon glyphicon-user",
> _href=URL('student_profile', args=students.id))}} |
> {{=students.surname}}</td>
> <td>{{=students.name}}</td>
> <td>{{=students.class_name.class_name}}</td>
> <td>{{=students.guardian.guardian}}</td>
> </tr>
> {{pass}}
> </table>
> </div>
>
>
> *MY TRACEBACK ERROR*
> <class 'sqlite3.IntegrityError'> FOREIGN KEY constraint failed
>
>
>
> Traceback (most recent call last):
> File "/home/mostwanted/web2py/gluon/restricted.py", line 219, in restricted
> exec(ccode, environment)
> File "/home/mostwanted/web2py/applications/SRMS/controllers/appadmin.py"
> <http://127.0.0.1:8000/admin/default/edit/SRMS/controllers/appadmin.py>, line
> 696, in <module>
> File "/home/mostwanted/web2py/gluon/globals.py", line 409, in <lambda>
> self._caller = lambda f: f()
> File "/home/mostwanted/web2py/applications/SRMS/controllers/appadmin.py"
> <http://127.0.0.1:8000/admin/default/edit/SRMS/controllers/appadmin.py>, line
> 147, in insert
> if form.accepts(request.vars, session):
> File "/home/mostwanted/web2py/gluon/sqlhtml.py", line 1862, in accepts
> self.vars.id = self.table.insert(**fields)
> File "/home/mostwanted/web2py/gluon/packages/dal/pydal/objects.py", line
> 734, in insert
> ret = self._db._adapter.insert(self, row.op_values())
> File "/home/mostwanted/web2py/gluon/packages/dal/pydal/adapters/base.py",
> line 486, in insert
> raise e
> IntegrityError: FOREIGN KEY constraint failed
>
> Error snapshot [image: help]
> <http://127.0.0.1:8000/admin/default/ticket/SRMS/127.0.0.1.2017-10-25.09-37-00.f00cf3b9-52ee-46d9-867a-5dae7b823f93#>
>
>
> <class 'sqlite3.IntegrityError'>(FOREIGN KEY constraint failed)
>
> inspect attributes
> Frames
>
> -
>
> *File /home/mostwanted/web2py/gluon/restricted.py in restricted at
> line 219* code arguments variables
> -
>
> *File
> /home/mostwanted/web2py/applications/SRMS/controllers/appadmin.py in
> <module> at line 696* code arguments variables
> -
>
> *File /home/mostwanted/web2py/gluon/globals.py in <lambda> at line 409*
> code arguments variables
> -
>
> *File
> /home/mostwanted/web2py/applications/SRMS/controllers/appadmin.py in
> insert
> at line 147* code arguments variables
> -
>
> *File /home/mostwanted/web2py/gluon/sqlhtml.py in accepts at line 1862*
> code arguments variables
> -
>
> *File /home/mostwanted/web2py/gluon/packages/dal/pydal/objects.py in
> insert at line 734* code arguments variables
> -
>
> *File
> /home/mostwanted/web2py/gluon/packages/dal/pydal/adapters/base.py in
> insert
> at line 486* code arguments variables
> Function argument list
>
> (self=<pydal.adapters.sqlite.SQLite object>, table=<Table student (id,
> surname, name, photo, guardian, class_name, dob)>,
> fields=[(<pydal.objects.Field object>, 'Leburu'), (<pydal.objects.Field
> object>, 'Percy'), (<pydal.objects.Field object>, '2010-10-05'),
> (<pydal.objects.Field object>, 5), (<pydal.objects.Field object>, 21),
> (<pydal.objects.Field object>,
> 'student.photo.a21f46af61cba907.706963322e6a7067.jpg')])
> Code listing
>
> 481.
> 482.
> 483.
> 484.
> 485.
> 486.
>
> 487.
> 488.
> 489.
> 490.
>
> self.execute(query)
> except:
> e = sys.exc_info()[1]
> if hasattr(table, '_on_insert_error'):
> return table._on_insert_error(table, fields, e)
> raise e
>
> if hasattr(table, '_primarykey'):
> pkdict = dict([
> (k[0].name, k[1]) for k in fields
> if k[0].name in table._primarykey])
>
> Variables
> e IntegrityError('FOREIGN KEY constraint failed',)
>
> Context
>
> locals request session response
> In file: /home/mostwanted/web2py/applications/SRMS/controllers/appadmin.py
>
> 1.
>
> <code object <module> at 0xb6e606e0, file
> "/home/mostwanted/web2py/applications/SRMS/controllers/appadmin.py", line 7>
>
>
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
---
You received this message because you are subscribed to the Google Groups
"web2py-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to web2py+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
