Re: Cayenne Tutorial: INSERT on table 'PAINTING' caused a violation of foreign key constraint

From: caden whitaker (caden.whitake..mail.com)
Date: Tue Oct 26 2010 - 17:22:23 UTC

  • Next message: Mike Kienenberger: "Re: Cayenne Tutorial: INSERT on table 'PAINTING' caused a violation of foreign key constraint"

    Hello Borut,

    Thank you for the fast reply! And I will update the call to remove those two
    unnecessary lines. Here is the stacktrace showing the creation statements:

    Oct 26, 2010 11:09:41 AM org.apache.cayenne.conf.RuntimeLoadDelegate
    startedLoading
    INFO: started configuration loading.
    Oct 26, 2010 11:09:41 AM org.apache.cayenne.conf.RuntimeLoadDelegate
    shouldLoadDataDomain
    INFO: loaded domain: HelloWorld1
    Oct 26, 2010 11:09:41 AM org.apache.cayenne.conf.RuntimeLoadDelegate
    loadDataMap
    INFO: loaded <map name='HelloWorld1Map' location='HelloWorld1Map.map.xml'>.
    Oct 26, 2010 11:09:41 AM org.apache.cayenne.conf.RuntimeLoadDelegate
    shouldLoadDataNode
    INFO: loading <node name='HelloWorld1Node'
    datasource='HelloWorld1Node.driver.xml'
    factory='org.apache.cayenne.conf.DriverDataSourceFactory'
    schema-update-strategy='org.apache.cayenne.access.dbsync.CreateIfNoSchemaStrategy'>.
    Oct 26, 2010 11:09:41 AM org.apache.cayenne.conf.RuntimeLoadDelegate
    shouldLoadDataNode
    INFO: using factory: org.apache.cayenne.conf.DriverDataSourceFactory
    Oct 26, 2010 11:09:41 AM org.apache.cayenne.conf.DriverDataSourceFactory
    load
    INFO: loading driver information from 'HelloWorld1Node.driver.xml'.
    Oct 26, 2010 11:09:41 AM
    org.apache.cayenne.conf.DriverDataSourceFactory$DriverHandler init
    INFO: loading driver org.apache.derby.jdbc.EmbeddedDriver
    Oct 26, 2010 11:09:41 AM
    org.apache.cayenne.conf.DriverDataSourceFactory$LoginHandler init
    INFO: loading user name and password.
    Oct 26, 2010 11:09:41 AM org.apache.cayenne.access.QueryLogger
    logPoolCreated
    INFO: Created connection pool: jdbc:derby:memory:testdb;create=true
        Driver class: org.apache.derby.jdbc.EmbeddedDriver
        Min. connections in the pool: 1
        Max. connections in the pool: 1
    Oct 26, 2010 11:09:41 AM org.apache.cayenne.conf.RuntimeLoadDelegate
    shouldLoadDataNode
    INFO: loaded datasource.
    Oct 26, 2010 11:09:41 AM org.apache.cayenne.conf.RuntimeLoadDelegate
    initAdapter
    INFO: no adapter set, using automatic adapter.
    Oct 26, 2010 11:09:41 AM org.apache.cayenne.conf.RuntimeLoadDelegate
    shouldLinkDataMap
    INFO: loaded map-ref: HelloWorld1Map.
    Oct 26, 2010 11:09:41 AM org.apache.cayenne.conf.RuntimeLoadDelegate
    finishedLoading
    INFO: finished configuration loading in 297 ms.
    Oct 26, 2010 11:09:41 AM org.apache.cayenne.access.QueryLogger logConnect
    INFO: Opening connection: jdbc:derby:memory:testdb;create=true
        Login: null
        Password: *******
    Oct 26, 2010 11:09:41 AM org.apache.cayenne.access.QueryLogger
    logConnectSuccess
    INFO: +++ Connecting: SUCCESS.
    Oct 26, 2010 11:09:41 AM org.apache.cayenne.access.QueryLogger
    logBeginTransaction
    INFO: --- transaction started.
    Oct 26, 2010 11:09:41 AM org.apache.cayenne.access.QueryLogger log
    INFO: Detected and installed adapter:
    org.apache.cayenne.dba.derby.DerbyAdapter
    Oct 26, 2010 11:09:42 AM
    org.apache.cayenne.access.dbsync.CreateIfNoSchemaStrategy
    processSchemaUpdate
    INFO: No schema detected, will create mapped tables
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger logQuery
    INFO: CREATE TABLE ARTIST (ID BIGINT NOT NULL, Name VARCHAR (255), PRIMARY
    KEY (ID))
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger logQuery
    INFO: CREATE TABLE PAINTING (ID BIGINT NOT NULL, Name VARCHAR (255), PRIMARY
    KEY (ID))
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger logQuery
    INFO: ALTER TABLE PAINTING ADD FOREIGN KEY (ID) REFERENCES ARTIST (ID)
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger logQuery
    INFO: CREATE TABLE AUTO_PK_SUPPORT ( TABLE_NAME CHAR(100) NOT NULL,
    NEXT_ID BIGINT NOT NULL, PRIMARY KEY(TABLE_NAME))
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger logQuery
    INFO: DELETE FROM AUTO_PK_SUPPORT WHERE TABLE_NAME IN ('ARTIST', 'PAINTING')
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger logQuery
    INFO: INSERT INTO AUTO_PK_SUPPORT (TABLE_NAME, NEXT_ID) VALUES ('ARTIST',
    200)
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger logQuery
    INFO: INSERT INTO AUTO_PK_SUPPORT (TABLE_NAME, NEXT_ID) VALUES ('PAINTING',
    200)
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger log
    INFO: Detected and installed adapter:
    org.apache.cayenne.dba.derby.DerbyAdapter
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger logQuery
    INFO: SELECT NEXT_ID FROM AUTO_PK_SUPPORT WHERE TABLE_NAME = ? FOR UPDATE
    [bind: 1:'ARTIST']
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger logQuery
    INFO: SELECT NEXT_ID FROM AUTO_PK_SUPPORT WHERE TABLE_NAME = ? FOR UPDATE
    [bind: 1:'PAINTING']
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger logQueryStart
    INFO: --- will run 2 queries.
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger logQuery
    INFO: INSERT INTO ARTIST (ID, Name) VALUES (?, ?)
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger
    logQueryParameters
    INFO: [batch bind: 1->ID:200, 2->Name:'Pablo Picasso']
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger
    logUpdateCount
    INFO: === updated 1 row.
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger logQuery
    INFO: INSERT INTO PAINTING (ID, Name) VALUES (?, ?)
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger
    logQueryParameters
    INFO: [batch bind: 1->ID:200, 2->Name:'Gertrude Stein']
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger
    logQueryParameters
    INFO: [batch bind: 1->ID:201, 2->Name:'Girl Reading at a Table']
    Oct 26, 2010 11:09:42 AM org.apache.cayenne.access.QueryLogger logQueryError

    On Tue, Oct 26, 2010 at 12:02 PM, Borut Bolčina <borut.bolcin..mail.com>wrote:

    > Hi,
    >
    > how did you create your database (show us the create statements)? Which
    > database are you using? Foreign key constraints are optional, but you need
    > them if you want to reverse engineer the database, so that relationships in
    > the modeler are created.
    >
    > Also, in your unit test, you are setting
    >
    > picasso.addToPaintings(girl);
    > picasso.addToPaintings(stein);
    >
    > but this is not needed. Cayenne automatically sets the other side of the
    > relationship for you, unlike Hibernate.
    >
    > -Borut
    >
    > 2010/10/26 caden whitaker <caden.whitake..mail.com>
    >
    > > Hey all,
    > >
    > > Running through the tutorials, I know what that error means, but I don't
    > > think I've done anything wrong. Can someone take a quick look at this
    > > xml/object set and tell me what I did wrong? Any help would be greatly
    > > appreciated.
    > >
    > > Mapping.xml
    > > <?xml version="1.0" encoding="utf-8"?>
    > > <data-map xmlns="http://cayenne.apache.org/schema/3.0/modelMap"
    > > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    > > xsi:schemaLocation="http://cayenne.apache.org/schema/3.0/modelMap
    > > http://cayenne.apache.org/schema/3.0/modelMap.xsd"
    > > project-version="3.0.0.1">
    > > <property name="defaultPackage"
    > value="org.example.cayenne.persistent"/>
    > > <db-entity name="ARTIST">
    > > <db-attribute name="ID" type="BIGINT" isPrimaryKey="true"
    > > isMandatory="true"/>
    > > <db-attribute name="Name" type="VARCHAR" length="255"/>
    > > </db-entity>
    > > <db-entity name="PAINTING">
    > > <db-attribute name="ID" type="BIGINT" isPrimaryKey="true"
    > > isMandatory="true"/>
    > > <db-attribute name="Name" type="VARCHAR" length="255"/>
    > > </db-entity>
    > > <obj-entity name="Artist"
    > > className="main.java.org.example.cayenne.persistent.Artist"
    > > dbEntityName="ARTIST">
    > > <obj-attribute name="name" type="java.lang.String"
    > > db-attribute-path="Name"/>
    > > </obj-entity>
    > > <obj-entity name="Painting"
    > > className="main.java.org.example.cayenne.persistent.Painting"
    > > dbEntityName="PAINTING">
    > > <obj-attribute name="name" type="java.lang.String"
    > > db-attribute-path="Name"/>
    > > </obj-entity>
    > > <db-relationship name="paintings" source="ARTIST" target="PAINTING"
    > > toMany="true">
    > > <db-attribute-pair source="ID" target="ID"/>
    > > </db-relationship>
    > > <db-relationship name="artist" source="PAINTING" target="ARTIST"
    > > toMany="false">
    > > <db-attribute-pair source="ID" target="ID"/>
    > > </db-relationship>
    > > <obj-relationship name="paintings" source="Artist" target="Painting"
    > > deleteRule="Deny" db-relationship-path="paintings"/>
    > > <obj-relationship name="artist" source="Painting" target="Artist"
    > > deleteRule="Deny" db-relationship-path="artist"/>
    > > </data-map>
    > >
    > > _Artist.java
    > > public abstract class _Artist extends CayenneDataObject {
    > >
    > > public static final String NAME_PROPERTY = "name";
    > > public static final String PAINTINGS_PROPERTY = "paintings";
    > >
    > > public static final String ID_PK_COLUMN = "ID";
    > >
    > > public void setName(String name) {
    > > writeProperty("name", name);
    > > }
    > > public String getName() {
    > > return (String)readProperty("name");
    > > }
    > >
    > > public void addToPaintings(Painting obj) {
    > > addToManyTarget("paintings", obj, true);
    > > }
    > > public void removeFromPaintings(Painting obj) {
    > > removeToManyTarget("paintings", obj, true);
    > > }
    > > ..uppressWarnings("unchecked")
    > > public List<Painting> getPaintings() {
    > > return (List<Painting>)readProperty("paintings");
    > > }
    > >
    > >
    > > }
    > >
    > > _Painting.java
    > > public abstract class _Painting extends CayenneDataObject {
    > >
    > > public static final String NAME_PROPERTY = "name";
    > > public static final String ARTIST_PROPERTY = "artist";
    > >
    > > public static final String ID_PK_COLUMN = "ID";
    > >
    > > public void setName(String name) {
    > > writeProperty("name", name);
    > > }
    > > public String getName() {
    > > return (String)readProperty("name");
    > > }
    > >
    > > public void setArtist(Artist artist) {
    > > setToOneTarget("artist", artist, true);
    > > }
    > >
    > > public Artist getArtist() {
    > > return (Artist)readProperty("artist");
    > > }
    > >
    > >
    > > }
    > >
    > >
    > > JUnit test case:
    > > // JUnit
    > > public void testBuild()
    > > throws Exception
    > > {
    > > System.out.println("Begin Test");
    > > try {
    > > ObjectContext context = DataContext.createDataContext();
    > > Artist picasso = context.newObject(Artist.class);
    > > picasso.setName("Pablo Picasso");
    > >
    > >
    > > Painting girl = context.newObject(Painting.class);
    > > girl.setName("Girl Reading at a Table");
    > > girl.setArtist(picasso);
    > >
    > > Painting stein = context.newObject(Painting.class);
    > > stein.setName("Gertrude Stein");
    > > stein.setArtist(picasso);
    > >
    > > picasso.addToPaintings(girl);
    > > picasso.addToPaintings(stein);
    > >
    > > context.commitChanges();
    > >
    > > } catch (Exception e) {
    > > e.printStackTrace();
    > > }
    > > System.out.println("End Test");
    > > }
    > >
    >



    This archive was generated by hypermail 2.0.0 : Tue Oct 26 2010 - 17:22:54 UTC