thank you , this was an old ticket #709 and is fixed in r4814 of the
0.4 branch and r4813 of trunk. remove the usage of "owner", it is
synonymous with "schema" (as it is in oracle itself -
http://www.dba-oracle.com/t_schema_components_owner_user.htm
) , as well as all the other hacks.
On May 24, 2008, at 6:34 PM, Brandon Goldfedder wrote:
>
>
> MIchael,
>
> Thanks for your help on this - I agree I want to get beyond a mess
> here regardless if it is 'working' ....
>
> Here are 3 tables that demostrate the issues (with the changes I
> needed to do use_alter, modify schema.py, hardcode in schema name to
> ForeignKey and tables). I want the model file below to work regardless
> of the database target (so the schema cram and Oracle target need to
> be separated)
>
> The problem is that there is already a table in another schema called
> 'app_user' and 'facility' so check tables is finding them...
>
> Also - you will note the ForeignKey generates an invalid ix_* index
> for Oracle so I needed to modify schema.py until I get around to
> setting index=False and manually creating Index'es
>
>
>
>
>
> #!/usr/bin/env python
> #
>
> # Copyright (c) 2008 Digital Innovation, Inc. All rights reserved.
> #
> # The information and source code contained herein is the exclusive
> property of
> # Digital Innovation Inc (dicorp) and may not be disclosed,
> examined, or
> # reproduced in whole or in part without the explicit written
> authorization from dicorp.
> #
> #
>
> from datetime import datetime
> from elixir import Entity, Field, OneToMany, ManyToOne, ManyToMany,
> has_field, belongs_to
> from elixir import options_defaults, using_options, setup_all,
> using_table_options
> from elixir import String, Unicode, Integer, DateTime, SmallInteger,
> Boolean, Text, Binary, Float
>
> options_defaults['table_options'] = {'schema':'cram','owner':'cram'}
>
> from sqlalchemy import Sequence, CheckConstraint, Index,
> ForeignKeyConstraint, ForeignKey, schema
>
> class Facility(Entity):
> using_options(tablename='facility')
> #using_table_options(schema='cram',owner='cram')
> control_number = Field(Integer,
> Sequence('facility_control_number_seq'), primary_key = True,
> autoincrement = True, nullable = False)
> id = Field(String(20), nullable = False)
> name = Field(String(50), nullable = False)
> description = Field(String(255), nullable = True)
> url = Field(String(255), nullable = True)
> type_link = Field(Integer, CheckConstraint('type_link >= 0'),
> nullable = False)
> #TODO: UNIQUE Index IdUniqueKey
>
> class PropertyItem(Entity):
> using_options(tablename='property_item')
> #using_table_options(schema='cram',owner='cram')
> control_number = Field(Integer, Sequence('property_item_cn_seq'),
> primary_key = True, autoincrement = True, nullable = False)
> created_by = Field(Integer,
> ForeignKey('cram.app_user.control_number', name =
> 'property_item_created_by_fk', use_alter = False), nullable = True,
> index = True) #Link field for link CreatedBy
> created_when = Field(DateTime, nullable = True)
> modified_by = Field(Integer,
> ForeignKey('cram.app_user.control_number', name =
> 'property_item_modified_by_fk', use_alter = False), nullable = True,
> index = True) #Link field for link ModifiedBy
> modified_when = Field(DateTime, nullable = True)
> property_profile_link = Field(Integer,
> ForeignKey('cram.property_profile.control_number', name =
> 'property_item_3_fk', use_alter = False), nullable = False, index =
> True) #Link field for link PropertyProfileLink
> code = Field(String(50), nullable = False)
> description = Field(String(50), nullable = True)
> sort_order = Field(SmallInteger, CheckConstraint('sort_order >=
> 0'), nullable = True)
> disabled = Field(Boolean, nullable = True)
>
> class PropertyProfile(Entity):
> using_options(tablename='property_profile')
> #using_table_options(schema='cram',owner='cram')
> control_number = Field(Integer,
> Sequence('property_profile_cn_seq'), primary_key = True, autoincrement
> = True, nullable = False)
> primary_facility_link = Field(Integer,
> ForeignKey('cram.facility.control_number', name =
> 'property_profile_1_fk', use_alter = False), nullable = True, index =
> True) #Link field for link PrimaryFacilityLink
> created_by = Field(Integer,
> ForeignKey('cram.app_user.control_number', name =
> 'property_profile_created_by_fk', use_alter = False), nullable = True,
> index = True) #Link field for link CreatedBy
> created_when = Field(DateTime, nullable = True)
> modified_by = Field(Integer,
> ForeignKey('cram.app_user.control_number', name =
> 'property_profile_3_fk', use_alter = False), nullable = True, index =
> True) #Link field for link ModifiedBy
> modified_when = Field(DateTime, nullable = True)
> name = Field(String(50), nullable = False)
> description = Field(String(255), nullable = True)
> active = Field(Boolean, nullable = True)
>
> class AppUser(Entity):
> using_options(tablename='app_user')
> #using_table_options(schema='cram',owner='cram')
> control_number = Field(Integer,
> Sequence('app_user_control_number_seq'), primary_key = True,
> autoincrement = True, nullable = False)
> primary_facility_link = Field(Integer,
> ForeignKey('cram.facility.control_number', name = 'app_user_1_fk',
> use_alter = False), nullable = True, index = True) #Link field for
> link PrimaryFacilityLink
> id = Field(String(20), nullable = False)
> name = Field(String(50), nullable = False)
> description = Field(String(255), nullable = True)
> url = Field(String(255), nullable = True)
> email_address = Field(String(255), nullable = True)
> expiration_date = Field(DateTime, nullable = True)
> password = Field(String(40), nullable = False)
> disabled = Field(Boolean, nullable = True)
> #TODO: UNIQUE Index IdUniqueKey
>
>
> setup_all()
> create_all(checkfirst=False)
>
>
> On May 24, 9:57 am, Michael Bayer <[EMAIL PROTECTED]> wrote:
>> On May 23, 2008, at 10:02 PM, Brandon Goldfedder wrote:
>>
>>
>>
>>> Michael,
>>> Yes - that is what I am doing now :
>>> ForeignKey("schemaname.tablename.colname")
>>
>>> and I have things working. (see example 3).
>>> My problem is these steps
>>> seem really ugly and a lot more work than it should be to get things
>>> working portably and reliably - thus my question on if this is best
>>> practice or not.
>>
>> no, what you had there is crazy. send an example case (just the
>> plain
>> tables and their relationships, none of the "extra" stuff you did) so
>> we can fully see what you'd like to achieve.
> >
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