I have a slight problem that when I SQL generate particular tables in
EOModeler, with 'Create Tables' and 'Primary Key Constraints' set, I
get a null index created, which SQL complains:
Error from JDBC adaptor: EvaluateExpression failed: <OpenBasePlugIn
$OpenBaseExpression: "create index null PRIMARY_KEY">:
Next exception:SQL State:42000 -- error code: 0 -- msg: SQL
ERROR - [position 12, near '
' in 'eate index null PRIMARY_K'] Index Table Error: table name
expected but not found.
SQL: [EMAIL PROTECTED]
The generated SQL is:
CREATE TABLE IMAGES (OWNER_KEY longlong NOT NULL, PRIMARY_KEY
longlong NOT NULL, TYPE char(1) , URL char(128) );
ALTER TABLE IMAGES ADD PRIMARY KEY (PRIMARY_KEY);
create unique index IMAGES PRIMARY_KEY;
create index null PRIMARY_KEY;
delete from _SYS_RELATIONSHIP where relationshipName = 'owner' and
source_table = 'IMAGES' ;
insert into _SYS_RELATIONSHIP (relationshipName, source_table,
source_column, dest_table, dest_column, operator, one_to_many) values
('owner','IMAGES','OWNER_KEY','null','PRIMARY_KEY','=',0);
The cause of this problem is that the table IMAGES has a relationship
to anything you can have images of, all of which inherit from an
abstract, tableless entity name 'Artiffact'. Hence, relationship
'owner' is defined as:
owner: owner_key -> Artifact.primary_key
but since Artifact's table name in the inspector is null, I get the
null in 'create index null PRIMARY_KEY;'. All subclasses of Artifact
of course have unique primary keys wrt Artifact. This does not seem
to have any adverse impact on the operation of the DB. Should I be
worried, or define the model in a better way? Should this be reported
as a bug to Apple?
Thanks
Ian Joyner
Sportstec
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