Hi,
Does any one else have a problem using MySQL with middlegen?
The relationships are not being detected automatically. I guess I can be
the only one.
Any help greatly appreicated even if it is a simple "It worked fine for
me!"
I create the tables as below:
DROP TABLE IF EXISTS person;
DROP TABLE IF EXISTS information;
DROP TABLE IF EXISTS relationship_type;
DROP TABLE IF EXISTS person_relationship;
DROP TABLE IF EXISTS diary;
DROP TABLE IF EXISTS form;
DROP TABLE IF EXISTS part;
DROP TABLE IF EXISTS question;
DROP TABLE IF EXISTS form_response;
DROP TABLE IF EXISTS wizard;
DROP TABLE IF EXISTS information_request;
CREATE TABLE person(
person_id INT NOT NULL,
//CMP Fields remove to save space
PRIMARY KEY( person_id )
);
CREATE TABLE information(
information_id INT NOT NULL,
type VARCHAR(255) NOT NULL,
information VARCHAR(255) NOT NULL,
person_id_fk INT,
PRIMARY KEY( information_id ),
FOREIGN KEY (person_id_fk) REFERENCES person(person_id)
);
CREATE TABLE relationship_type(
relationship_type_id INT NOT NULL,
type VARCHAR(255) NOT NULL,
PRIMARY KEY( relationship_type_id )
);
CREATE TABLE person_relationship (
person_relationship_id INT NOT NULL,
person_id_fk INT,
relationship_type_id_fk INT,
PRIMARY KEY(person_relationship_id),
FOREIGN KEY (person_id_fk) REFERENCES person(person_id),
FOREIGN KEY (relationship_type_id_fk) REFERENCES
relationship_type(relationship_type_id)
);
CREATE TABLE diary(
diary_id INT NOT NULL,
//CMP Fields remove to save space
person_id_fk INT,
PRIMARY KEY(diary_id),
FOREIGN KEY (person_id_fk) REFERENCES person(person_id)
);
And run middlegen like this:
<!-- For the Person Entities -->
<middlegen
appname="${name}"
prefsdir="${src.dir}"
gui="${gui}"
databaseurl="${database.url}"
initialContextFactory="${java.naming.factory.initial}"
providerURL="${java.naming.provider.url}"
datasourceJNDIName="${databaseSource}"
driver="${database.driver}"
username="${database.userid}"
password="${database.password}"
schema=""
>
<!-- Define Relationships -->
<many2many>
<tablea name="person">
<!-- <crossref fktable="person_relationship"
fkcolumn="person_id_fk"/> -->
</tablea>
<jointable name="person_relationship"
generate="false"/>
<!-- <jointable name="person_relationship"/> -->
<tableb name="relationship_type">
<!-- <crossref fktable="person_relationship"
fkcolumn="relationship_type_id_fk"/> -->
</tableb>
</many2many>
<!--
<table name="information"/>
<table name="relationship_type">
<crossref fktable="person_relationship"
fkcolumn="relationship_type_id_fk"/>
</table>
<table name="diary"/>
<table name="person">
<crossref fktable="information"
fkcolumn="person_id_fk"/>
<crossref fktable="diary"
fkcolumn="person_id_fk"/>
<crossref fktable="person_relationship"
fkcolumn="person_id_fk"/>
</table>
<table name ="person_relationship">
</table>
-->
<!-- Let Middlegen find Relationships -->
<table name="information"/>
<table name="relationship_type"/>
<table name="diary"/>
<table name="person"/>
<!-- <table name="person_relationship"/> -->
<cmp20
destination="${build.gen-src.dir}"
package="alpha.personEntities"
interfacepackage="alpha.personEntitiesInterfaces"
jndiprefix="${unique.name}"
pkclass="false"
dataobject="false"
viewtype="local"
mergedir="${basedir}/src/middlegen"
readonly="false"
fkcmp="false"
guid="true"
>
<sequenceblock
blocksize="5"
retrycount="2"
table="SEQ_BLOCK"
package="alpha.miscEntities"
interfacepackage="alpha.miscEntitiesInterfaces"
/>
<jboss/>
</cmp20>
</middlegen>
Cheers,
Tim
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