Hello there,
I am new to web2py - it is a brilliant framework thank you. I am running
the latest version, defining my models and encountering this error when
attempting to add a record to a table that defines a many-to-many
relationship - when I attempt to add a record to table
ModelInstanceDataItemValue (listed in the model code below). I have
searched for solutions and can't find any. This may well be a beginner's
problem but I can't see why it is throwing up the error.
With thanks and best wishes,
Heather
db = DAL("postgres://heather:secret@localhost:5432/indyfabdb",migrate=True)
db.define_table('ItemType',
Field('type'),
Field('description'),
format='%(type)s')
db.ItemType.type.requires = IS_NOT_IN_DB(db, db.ItemType.type)
db.ItemType.type.requires = IS_NOT_EMPTY()
db.define_table('DataItem',
Field('name'),
Field('type', 'reference ItemType'),
format='%(name)s')
db.DataItem.name.requires = IS_NOT_IN_DB(db, db.DataItem.name)
db.DataItem.name.requires = IS_NOT_EMPTY()
db.define_table('DataSet',
Field('name'),
Field('location'),
format='%(name)s')
db.DataSet.name.requires = IS_NOT_EMPTY()
db.DataSet.name.requires = IS_NOT_IN_DB(db, db.DataSet.name)
db.DataSet.location.requires = IS_NOT_EMPTY()
db.define_table('DataSetItem',
Field('DataSetName', 'reference DataSet'),
Field('DataItemName', 'reference DataItem'),
Field('position'))
db.DataSetItem.position.requires = IS_NOT_EMPTY()
db.define_table('DataSetValidValue',
Field('name'),
Field('DataSet', 'reference DataSet'),
Field('query', 'text'),
format='%(name)s')
db.DataSetValidValue.name.requires = IS_NOT_EMPTY()
db.DataSetValidValue.query.requires = IS_NOT_EMPTY()
db.define_table('ModelType',
Field('type'),
Field('description'),
format='%(type)s')
db.define_table('ModelInstance',
Field('name'),
Field('ModelType', 'reference ModelType'),
format='%name)s')
db.ModelInstance.name.requires = IS_NOT_EMPTY()
db.define_table('ModelInstanceDataItemValue',
Field('ModelInstance', 'reference ModelInstance'),
Field('DataItem', 'reference DataItem'),
Field('value'))
db.ModelInstanceDataItemValue.value.requires = IS_NOT_EMPTY()
--
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)
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