Re: Report queries on extents
(in my case SQLServer) I get the following stack trace:
[org.apache.ojb.broker.accesslayer.JdbcAccessImpl] ERROR: SQLException
during the execution of the query (for a org.apache.ojb.broker.Version):
[Microsoft][SQLServer 2000 Driver for JDBC][SQLServer]Ambiguous column name
'pk'.
[Microsoft][SQLServer 2000 Driver for JDBC][SQLServer]Ambiguous column name
'pk'.
java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for
JDBC][SQLServer]Ambiguous column name 'pk'.
at com.microsoft.jdbc.base.BaseExceptions.createException(Unknown
Source)
at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.microsoft.jdbc.sqlserver.tds.TDSRequest.processErrorToken(Unknown
Source)
at com.microsoft.jdbc.sqlserver.tds.TDSRequest.processReplyToken(Unknown
Source)
at
com.microsoft.jdbc.sqlserver.tds.TDSRPCRequest.processReplyToken(Unknown
Source)
at com.microsoft.jdbc.sqlserver.tds.TDSRequest.processReply(Unknown
Source)
at com.microsoft.jdbc.sqlserver.tds.TDSCursorRequest.openCursor(Unknown
Source)
at com.microsoft.jdbc.sqlserver.SQLServerImplStatement.execute(Unknown
Source)
at com.microsoft.jdbc.base.BaseStatement.commonExecute(Unknown Source)
at com.microsoft.jdbc.base.BaseStatement.executeQueryInternal(Unknown
Source)
at com.microsoft.jdbc.base.BasePreparedStatement.executeQuery(Unknown
Source)
at
org.apache.ojb.broker.accesslayer.JdbcAccessImpl.executeQuery(JdbcAccessImpl
.java:291)
at
org.apache.ojb.broker.accesslayer.RsIterator.init(RsIterator.java:175)
at
org.apache.ojb.broker.accesslayer.ReportQueryRsIterator.init(ReportQueryRs
Iterator.java:86)
at
org.apache.ojb.broker.singlevm.ReportRsIteratorFactoryImpl.createRsIterator(
ReportRsIteratorFactoryImpl.java:96)
at
org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.getRsIteratorFromQuery(
PersistenceBrokerImpl.java:2147)
at
org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.getReportQueryIteratorF
romQuery(PersistenceBrokerImpl.java:2195)
at
org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.getReportQueryIteratorB
yQuery(PersistenceBrokerImpl.java:2124)
at
org.apache.ojb.broker.singlevm.DelegatingPersistenceBroker.getReportQueryIte
ratorByQuery(DelegatingPersistenceBroker.java:273)
at
org.apache.ojb.broker.ContractVersionEffectivenessTest.testReportQuery(Contr
actVersionEffectivenessTest.java:184)
and the following generated SQL:
[junit] [org.apache.ojb.broker.accesslayer.sql.SqlGeneratorDefaultImpl]
DEBUG: SQL: SELECT PK,PK,A1.contract_value1 FROM Version A0 LEFT OUTER JOIN
Contract A1 ON A0.fk_to_contract=A1.PK
I hope that helps!
Mark
BTW -- what is the policy on selecting our by field name or column name
and filtering by the same?
-Original Message-
From: Jakob Braeuchi [mailto:[EMAIL PROTECTED]
Sent: Friday, February 21, 2003 4:41 PM
To: OJB Users List
Subject: Re: Report queries on extents
hi mark,
yes, please send me the testcase. if it's based on our testclasses it
would be perfect.
jakob
Mark Rowell wrote:
Hi Jakob
Some news on this problem -- it turns out it is a case sensitivity issue.
E.g. If I query on the column name in the report
query (e.g. upper case 'ID') it does not work, if I query on the field name
(e.g. lower case 'id') it works.
N.B. this therefore is only a problem where we have 2 columns in the query
with the same names on different tables. E.g. if I query by
column name rather than field name the sql generator strips off any
qualification I put in.
I do have some new classes/data/tests that show this.
Do you want me to send them to you?
Mark
-Original Message-
From: Jakob Braeuchi [mailto:[EMAIL PROTECTED]
Sent: Wednesday, February 19, 2003 6:25 PM
To: OJB Users List
Subject: Re: Report queries on extents
hi mark,
i forgot to ask whether you coukd adapt my test case so it matches the
one you have problems with ?
jakob
Mark Rowell wrote:
Hi Jakob
Thanks for that but my generated SQL does not qualify the columns I was
selecting and hence
I get a non unique name for the ID column reported by SQL Server. One
difference between the example you give and
my example is that my criteria filters on a couple of values in a
collection
attribute of the class I am querying.
E.g. to extend the example you give:
public void testReportPathExpressionForExtents()
{
ArrayList list = new java.util.ArrayList();
Criteria crit = new Criteria();
crit.addEqualTo(groupId, new Integer(5));
crit.addEqualTo(allArticlesInGroup.articleName, some name);
ReportQueryByCriteria q =
QueryFactory.newReportQuery(ProductGroup.class, crit, true);
q.setColumns(new String[]{groupId, groupName,
allArticlesInGroup.articleId, allArticlesInGroup.articleName});
Iterator iter = broker.getReportQueryIteratorByQuery(q);
while (iter.hasNext())
Additionally, is ProductGroup an extent? The class I query is the top
level
of an extent.
I will make a change to the test you give so it looks like my
Report queries on extents
Hi
I was wondering if report queries on extents work where I am selecting out
a/some column(s) from a table
related to the extent classes. A concrete example may help (!)
I have an extent class called Bond with concrete implementations called
FixedCouponBond and FRN.
There is a 1 to n relationship a single Bond and the priceDetails class
(which is concrete). In my
repository_user.xml file they mappings are setup as follows (I only show
themapping for the FixedCouponBond class
as it is identical for the FRN class)
class-descriptor
class=com.credittrade.instruments.securities.BBGBondModel
table=Bonds
field-descriptor id=1
name=id
column=ID
jdbc-type=INTEGER
primarykey=true
autoincrement=true
/
etc
collection-descriptor
name=priceDetails
element-class-ref=com.credittrade.market.PriceDetail
auto-retrieve=true
auto-update=false
auto-delete=false
proxy=true
inverse-foreignkey field-id-ref=2/
/collection-descriptor
etc
/class-descriptor
priceDetail is mapped as follows:
class-descriptor
class=com.credittrade.market.PriceDetail
table=PriceDetails
field-descriptor id=1
name=id
column=ID
jdbc-type=INTEGER
primarykey=true
autoincrement=true
/
field-descriptor id=2
name=instrumentID
column=InstrumentID
jdbc-type=INTEGER
/
field-descriptor id=3
name=priceValueType
column=typeID
etc...
/class-descriptor
I run the following report query to retrieve the ISIN field from the
FixedCouponBond and the
ID of the associated price details. I do this using the OJB API thus:
// Java snippet
Criteria criteria = new Criteria();
criteria.addEqualTo(priceDetails.PriceSource, ps.getLabel());
criteria.addEqualTo(priceDetails.TypeID,
PriceValueType.price.toString());
criteria.addEqualTo(priceDetails.PriceTypeID,
PriceType.market.toString());
criteria.addIn(priceDetails.QuoteTypeID, Arrays.asList( new
String[]{
QuoteType.bid.toString(),
QuoteType.offer.toString(),
QuoteType.high.toString(),
QuoteType.low.toString()}));
criteria.addIn(ISIN, isins);
Iterator iter = broker.getReportQueryIteratorByQuery(
QueryFactory.newReportQuery(
Bond.class,
new String[]{ISIN, priceDetails.ID,
priceDetails.QuoteTypeID},
criteria,
false));
Note in the method call to newReportQuery I ask for the ISIN field from the
Bond class (no qualifier as it is the
class in the query), and the ID and QuoteTypeID columns from the related
priceDetails instances.
The problem I get is that the generated SQL strips out the identifiers and
because I have an ID column on my
Bond tables I get a SQL error complaining that ID is not a unique column
name.
I do this sort of report query elsewhere, on concrete classes directly and
it works -- hence I assume it is a problem with
the SQL generator (?) for extents.
I can get round it by specifying A1 as the qualifier for the ID and
QuoteTypeID columns (as this, I noticed, is the
table alias used by the SQL generator for the PriceDetails table.
So, the questions I have are:
(a) is this a bug, or
(b) am Idoing something wrong...
Regards,
Mark Rowel
Mark Rowell
CreditTrade
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RE: Report queries on extents
Hi Jakob
Thanks for that but my generated SQL does not qualify the columns I was
selecting and hence
I get a non unique name for the ID column reported by SQL Server. One
difference between the example you give and
my example is that my criteria filters on a couple of values in a collection
attribute of the class I am querying.
E.g. to extend the example you give:
public void testReportPathExpressionForExtents()
{
ArrayList list = new java.util.ArrayList();
Criteria crit = new Criteria();
crit.addEqualTo(groupId, new Integer(5));
crit.addEqualTo(allArticlesInGroup.articleName, some name);
ReportQueryByCriteria q =
QueryFactory.newReportQuery(ProductGroup.class, crit, true);
q.setColumns(new String[]{groupId, groupName,
allArticlesInGroup.articleId, allArticlesInGroup.articleName});
Iterator iter = broker.getReportQueryIteratorByQuery(q);
while (iter.hasNext())
Additionally, is ProductGroup an extent? The class I query is the top level
of an extent.
I will make a change to the test you give so it looks like my query and then
see what results I get.
I will also send you the generated SQL.
Regards thanks
Mark
-Original Message-
From: Jakob Braeuchi [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, February 19, 2003 4:48 PM
To: OJB Users List
Subject: Re: Report queries on extents
hi mark,
yes, report queries are extent aware. the method below is taken from the
testcase QueryTest and it produces the query shown further down.
public void testReportPathExpressionForExtents()
{
ArrayList list = new java.util.ArrayList();
Criteria crit = new Criteria();
crit.addEqualTo(groupId, new Integer(5));
ReportQueryByCriteria q =
QueryFactory.newReportQuery(ProductGroup.class, crit, true);
q.setColumns(new String[]{groupId, groupName,
allArticlesInGroup.articleId, allArticlesInGroup.articleName});
Iterator iter = broker.getReportQueryIteratorByQuery(q);
while (iter.hasNext())
{
list.add(iter.next());
}
// 7 Articles, 2 Books, 3 Cds
assertEquals(check size, list.size(), 7);
}
SELECT DISTINCT
A0.Kategorie_Nr,A0.KategorieName,A1.Artikel_Nr,A1.Artikelname FROM
Kategorien A0 LEFT OUTER JOIN Artikel A1 ON
A0.Kategorie_Nr=A1.Kategorie_Nr LEFT OUTER JOIN BOOKS A1E0 ON
A0.Kategorie_Nr=A1E0.Kategorie_Nr LEFT OUTER JOIN CDS A1E1 ON
A0.Kategorie_Nr=A1E1.Kategorie_Nr WHERE A0.Kategorie_Nr = '5'
hth
jakob
Mark Rowell wrote:
Hi
I was wondering if report queries on extents work where I am selecting out
a/some column(s) from a table
related to the extent classes. A concrete example may help (!)
I have an extent class called Bond with concrete implementations called
FixedCouponBond and FRN.
There is a 1 to n relationship a single Bond and the priceDetails class
(which is concrete). In my
repository_user.xml file they mappings are setup as follows (I only show
themapping for the FixedCouponBond class
as it is identical for the FRN class)
class-descriptor
class=com.credittrade.instruments.securities.BBGBondModel
table=Bonds
field-descriptor id=1
name=id
column=ID
jdbc-type=INTEGER
primarykey=true
autoincrement=true
/
etc
collection-descriptor
name=priceDetails
element-class-ref=com.credittrade.market.PriceDetail
auto-retrieve=true
auto-update=false
auto-delete=false
proxy=true
inverse-foreignkey field-id-ref=2/
/collection-descriptor
etc
/class-descriptor
priceDetail is mapped as follows:
class-descriptor
class=com.credittrade.market.PriceDetail
table=PriceDetails
field-descriptor id=1
name=id
column=ID
jdbc-type=INTEGER
primarykey=true
autoincrement=true
/
field-descriptor id=2
name=instrumentID
column=InstrumentID
jdbc-type=INTEGER
/
field-descriptor id=3
name=priceValueType
column=typeID
etc...
/class-descriptor
I run the following report query to retrieve the ISIN field from the
FixedCouponBond and the
ID of the associated price details. I do this using the OJB API thus:
// Java snippet
Criteria criteria = new Criteria();
criteria.addEqualTo(priceDetails.PriceSource, ps.getLabel());
criteria.addEqualTo(priceDetails.TypeID,
PriceValueType.price.toString());
criteria.addEqualTo(priceDetails.PriceTypeID,
PriceType.market.toString());
criteria.addIn(priceDetails.QuoteTypeID, Arrays.asList( new
String[]{
QuoteType.bid.toString(),
QuoteType.offer.toString(),
QuoteType.high.toString(),
QuoteType.low.toString()}));
criteria.addIn
Re: Report queries on extents
hi mark,
i just added the following testcase to QueryTest:
public void testReportPathExpressionForExtents2()
{
ArrayList list = new java.util.ArrayList();
Criteria crit = new Criteria();
crit.addLike(groupName, %o%);
crit.addLike(allArticlesInGroup.articleName, %รถ%);
ReportQueryByCriteria q =
QueryFactory.newReportQuery(ProductGroup.class, crit, true);
q.setColumns(new String[] { groupId, groupName,
allArticlesInGroup.articleId, allArticlesInGroup.articleName });
Iterator iter = broker.getReportQueryIteratorByQuery(q);
while (iter.hasNext())
{
list.add(iter.next());
}
// 3 Books , 1 Dairy Product
assertEquals(check size, list.size(), 4);
}
jakob
Mark Rowell wrote:
Hi Jakob
Thanks for that but my generated SQL does not qualify the columns I was
selecting and hence
I get a non unique name for the ID column reported by SQL Server. One
difference between the example you give and
my example is that my criteria filters on a couple of values in a collection
attribute of the class I am querying.
E.g. to extend the example you give:
public void testReportPathExpressionForExtents()
{
ArrayList list = new java.util.ArrayList();
Criteria crit = new Criteria();
crit.addEqualTo(groupId, new Integer(5));
crit.addEqualTo(allArticlesInGroup.articleName, some name);
ReportQueryByCriteria q =
QueryFactory.newReportQuery(ProductGroup.class, crit, true);
q.setColumns(new String[]{groupId, groupName,
allArticlesInGroup.articleId, allArticlesInGroup.articleName});
Iterator iter = broker.getReportQueryIteratorByQuery(q);
while (iter.hasNext())
Additionally, is ProductGroup an extent? The class I query is the top level
of an extent.
I will make a change to the test you give so it looks like my query and then
see what results I get.
I will also send you the generated SQL.
Regards thanks
Mark
-Original Message-
From: Jakob Braeuchi [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, February 19, 2003 4:48 PM
To: OJB Users List
Subject: Re: Report queries on extents
hi mark,
yes, report queries are extent aware. the method below is taken from the
testcase QueryTest and it produces the query shown further down.
public void testReportPathExpressionForExtents()
{
ArrayList list = new java.util.ArrayList();
Criteria crit = new Criteria();
crit.addEqualTo(groupId, new Integer(5));
ReportQueryByCriteria q =
QueryFactory.newReportQuery(ProductGroup.class, crit, true);
q.setColumns(new String[]{groupId, groupName,
allArticlesInGroup.articleId, allArticlesInGroup.articleName});
Iterator iter = broker.getReportQueryIteratorByQuery(q);
while (iter.hasNext())
{
list.add(iter.next());
}
// 7 Articles, 2 Books, 3 Cds
assertEquals(check size, list.size(), 7);
}
SELECT DISTINCT
A0.Kategorie_Nr,A0.KategorieName,A1.Artikel_Nr,A1.Artikelname FROM
Kategorien A0 LEFT OUTER JOIN Artikel A1 ON
A0.Kategorie_Nr=A1.Kategorie_Nr LEFT OUTER JOIN BOOKS A1E0 ON
A0.Kategorie_Nr=A1E0.Kategorie_Nr LEFT OUTER JOIN CDS A1E1 ON
A0.Kategorie_Nr=A1E1.Kategorie_Nr WHERE A0.Kategorie_Nr = '5'
hth
jakob
Mark Rowell wrote:
Hi
I was wondering if report queries on extents work where I am selecting out
a/some column(s) from a table
related to the extent classes. A concrete example may help (!)
I have an extent class called Bond with concrete implementations called
FixedCouponBond and FRN.
There is a 1 to n relationship a single Bond and the priceDetails class
(which is concrete). In my
repository_user.xml file they mappings are setup as follows (I only show
themapping for the FixedCouponBond class
as it is identical for the FRN class)
class-descriptor
class=com.credittrade.instruments.securities.BBGBondModel
table=Bonds
field-descriptor id=1
name=id
column=ID
jdbc-type=INTEGER
primarykey=true
autoincrement=true
/
etc
collection-descriptor
name=priceDetails
element-class-ref=com.credittrade.market.PriceDetail
auto-retrieve=true
auto-update=false
auto-delete=false
proxy=true
inverse-foreignkey field-id-ref=2/
/collection-descriptor
etc
/class-descriptor
priceDetail is mapped as follows:
class-descriptor
class=com.credittrade.market.PriceDetail
table=PriceDetails
field-descriptor id=1
name=id
column=ID
jdbc-type=INTEGER
primarykey=true
autoincrement=true
/
field-descriptor id=2
name=instrumentID
column=InstrumentID
jdbc-type=INTEGER
/
field-descriptor id=3
name=priceValueType
column=typeID
etc...
/class-descriptor
I run the following report query to retrieve the ISIN field from
Re: Report queries on extents
hi mark,
i forgot to ask whether you coukd adapt my test case so it matches the
one you have problems with ?
jakob
Mark Rowell wrote:
Hi Jakob
Thanks for that but my generated SQL does not qualify the columns I was
selecting and hence
I get a non unique name for the ID column reported by SQL Server. One
difference between the example you give and
my example is that my criteria filters on a couple of values in a collection
attribute of the class I am querying.
E.g. to extend the example you give:
public void testReportPathExpressionForExtents()
{
ArrayList list = new java.util.ArrayList();
Criteria crit = new Criteria();
crit.addEqualTo(groupId, new Integer(5));
crit.addEqualTo(allArticlesInGroup.articleName, some name);
ReportQueryByCriteria q =
QueryFactory.newReportQuery(ProductGroup.class, crit, true);
q.setColumns(new String[]{groupId, groupName,
allArticlesInGroup.articleId, allArticlesInGroup.articleName});
Iterator iter = broker.getReportQueryIteratorByQuery(q);
while (iter.hasNext())
Additionally, is ProductGroup an extent? The class I query is the top level
of an extent.
I will make a change to the test you give so it looks like my query and then
see what results I get.
I will also send you the generated SQL.
Regards thanks
Mark
-Original Message-
From: Jakob Braeuchi [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, February 19, 2003 4:48 PM
To: OJB Users List
Subject: Re: Report queries on extents
hi mark,
yes, report queries are extent aware. the method below is taken from the
testcase QueryTest and it produces the query shown further down.
public void testReportPathExpressionForExtents()
{
ArrayList list = new java.util.ArrayList();
Criteria crit = new Criteria();
crit.addEqualTo(groupId, new Integer(5));
ReportQueryByCriteria q =
QueryFactory.newReportQuery(ProductGroup.class, crit, true);
q.setColumns(new String[]{groupId, groupName,
allArticlesInGroup.articleId, allArticlesInGroup.articleName});
Iterator iter = broker.getReportQueryIteratorByQuery(q);
while (iter.hasNext())
{
list.add(iter.next());
}
// 7 Articles, 2 Books, 3 Cds
assertEquals(check size, list.size(), 7);
}
SELECT DISTINCT
A0.Kategorie_Nr,A0.KategorieName,A1.Artikel_Nr,A1.Artikelname FROM
Kategorien A0 LEFT OUTER JOIN Artikel A1 ON
A0.Kategorie_Nr=A1.Kategorie_Nr LEFT OUTER JOIN BOOKS A1E0 ON
A0.Kategorie_Nr=A1E0.Kategorie_Nr LEFT OUTER JOIN CDS A1E1 ON
A0.Kategorie_Nr=A1E1.Kategorie_Nr WHERE A0.Kategorie_Nr = '5'
hth
jakob
Mark Rowell wrote:
Hi
I was wondering if report queries on extents work where I am selecting out
a/some column(s) from a table
related to the extent classes. A concrete example may help (!)
I have an extent class called Bond with concrete implementations called
FixedCouponBond and FRN.
There is a 1 to n relationship a single Bond and the priceDetails class
(which is concrete). In my
repository_user.xml file they mappings are setup as follows (I only show
themapping for the FixedCouponBond class
as it is identical for the FRN class)
class-descriptor
class=com.credittrade.instruments.securities.BBGBondModel
table=Bonds
field-descriptor id=1
name=id
column=ID
jdbc-type=INTEGER
primarykey=true
autoincrement=true
/
etc
collection-descriptor
name=priceDetails
element-class-ref=com.credittrade.market.PriceDetail
auto-retrieve=true
auto-update=false
auto-delete=false
proxy=true
inverse-foreignkey field-id-ref=2/
/collection-descriptor
etc
/class-descriptor
priceDetail is mapped as follows:
class-descriptor
class=com.credittrade.market.PriceDetail
table=PriceDetails
field-descriptor id=1
name=id
column=ID
jdbc-type=INTEGER
primarykey=true
autoincrement=true
/
field-descriptor id=2
name=instrumentID
column=InstrumentID
jdbc-type=INTEGER
/
field-descriptor id=3
name=priceValueType
column=typeID
etc...
/class-descriptor
I run the following report query to retrieve the ISIN field from the
FixedCouponBond and the
ID of the associated price details. I do this using the OJB API thus:
// Java snippet
Criteria criteria = new Criteria();
criteria.addEqualTo(priceDetails.PriceSource, ps.getLabel());
criteria.addEqualTo(priceDetails.TypeID,
PriceValueType.price.toString());
criteria.addEqualTo(priceDetails.PriceTypeID,
PriceType.market.toString());
criteria.addIn(priceDetails.QuoteTypeID, Arrays.asList( new
String[]{
QuoteType.bid.toString(),
QuoteType.offer.toString(),
QuoteType.high.toString(),
QuoteType.low.toString()}));
criteria.addIn
