Toplink Essentials creates not usable select statement

My problem is the following:
I have the following NamedQuery statement in an JPA Entity Class:
@NamedQuery(name = "Leasingteilvertrag.findSearch",
query = "select distinct o " +
" from Leasingteilvertrag o " +
" left outer join o.sachbearbeiterList s " +
" where (:wtvStatusBearb1 is null or :wtvStatusBearb2 = -1 or o.wtvStatusBearb =
:wtvStatusBearb3)" +
" and (:wtvStatusVerwert1 is null or :wtvStatusVerwert2 = -1 or o.wtvStatusVerwert = :wtvStatusVerwert3)" +
" and (:wtvAdressNr1 is null or :wtvAdressNr2 = -1 or o.wtvAdressNr =
:wtvAdressNr3)" +
" and (:wtvEingangsdatum1 is null or o.wtvEingangsdatum >= :wtvEingangsdatum2)" +
" and (:wtvEingangsdatumBis1 is null or o.wtvEingangsdatum <= :wtvEingangsdatumBis2)"
+
" and (:wtvLlvNr1 is null or o.wtvLlvNr = :wtvLlvNr2)" +
" and (:wtvFirma1 is null or o.wtvFirma = :wtvFirma2)" +
" and (:wsbId1 is null or :wsbId2 = -1 or s.wsbSbId = :wsbId3)")
Oracle Toplink translates this (according to to opmn log of the Application Server)
to:
SELECT DISTINCT t0.WTV_ID, t0.WTV_SL_PLUS_KNZ, t0.WTV_ABGESCHLOSSENDATUM, t0.WTV_SL_TECHNIK_DATE, t0.WTV_ADRESS_POOL, t0.WTV_SL_TECHNIK_KNZ,
t0.WTV_AKTENZEICHEN_RA, t0.WTV_SONDERAFA_OBJEKTE_AKTUELL,
t0.WTV_ANZAHLRUECKSTAENDIGERRATEN, t0.WTV_SONDERAFA_OBJEKTE_GEBUCHT,
t0.WTV_BANKAUSKUNFT_KNZ, t0.WTV_STATUS_BEARB, t0.WTV_EINGANGSDATUM,
t0.WTV_STATUS_BEARB_DATUM, t0.WTV_EINSCHAETZUNG_BONI, t0.WTV_STATUS_VERWERT,
t0.WTV_EWB_DATUM_ERFASSUNG, t0.WTV_STATUS_VERWERT_DATUM, t0.WTV_EWB_GEBUCHT,
t0.WTV_STATUS_FREIGABE, t0.WTV_EWB_SB_ERFASSUNG, t0.WTV_STATUS_FREIGABE_DATUM,
t0.WTV_FIRMA, t0.WTV_VERBLEIB_AKTE, t0.WTV_WAEHRUNG_AUSFALL,
t0.WTV_KUENDIGUNGSFORDERUNG, t0.WTV_WAEHRUNG_EWB, t0.WTV_LLV_NR,
t0.WTV_WAEHRUNG_RUECKST_ANR, t0.WTV_LTV_NR, t0.WTV_WAEHRUNG_SONDERAFA_OBJEKTE,
t0.WTV_PROZESSKOSTEN_RISIKO, t0.WTV_WAE_EINSCHAETZUNG_BONI,
t0.WTV_RUECKST_ANRECHNUNG_GEBUCHT, t0.WTV_WAE_KUENDIGUNGSFORDERUNG,
t0.WTV_SL_KASKO_DATE, t0.WTV_WIEDERGESUNDUNGSDATUM, t0.WTV_SL_PLUS_DATE,
t0.WTV_ABGESCHLOSSEN_KNZ, t0.WTV_AKTENZEICHEN_FAV, t0.WTV_TEILRISIKO_KNZ,
t0.WTV_AUSFALL, t0.WTV_BETRUG_KNZ, t0.WTV_EINGANGSDATUM_ALT,
t0.WTV_CHANGE_USER, t0.WTV_EWB_DATUM_FREIGABE, t0.WTV_CHANGE_DATE,
t0.WTV_EWB_SB_FREIGABE, t0.WTV_FREIGABE_KOMMENTAR, t0.WTV_KUENDIGUNGSDATUM,
t0.WTV_ADRESS_NR, t0.WTV_ALTFALL_KNZ, t0.WTV_OPERATIONELLES_RISIKO,
t0.WTV_BEMERKUNG, t0.WTV_SACHSTAND, t0.WTV_EWB_AKTUELL,
t0.WTV_LLV_NR_UMFINANZIERUNG, t0.WTV_EWB_KORREKTUR, t0.WTV_SL_KASKO_KNZ,
t0.WTV_FIRMA_UMFINANZIERUNG, t0.WTV_RUECKST_ANRECHNUNG_AKTUELL,
t0.WTV_KUENDIGUNGSFORDERUNG_ALT, t0.WTV_LEASINGVERTRAG_ID,
t0.WTV_RUECKST_ANRECHNUNG_BUC_ID, t0.WTV_EWB_BUC_ID,
t0.WTV_SONDERAFA_OBJEKTE_BUC_ID FROM VWDB_LEASINGTEILVERTRAG t0,
VWDB_LEASINGTEILVERTRAG t2, VWDB_SACHBEARBEITER t1 WHERE (((((((((((? IS NULL)
OR (? = (? - ?))) OR (t0.WTV_STATUS_BEARB = ?)) AND (((? IS NULL) OR (? = (? -
?))) OR (t0.WTV_STATUS_VERWERT = ?))) AND (((? IS NULL) OR (? = (? - ?))) OR
(t0.WTV_ADRESS_NR = ?))) AND ((? IS NULL) OR (t0.WTV_EINGANGSDATUM > ?))) AND
((? IS NULL) OR (t0.WTV_EINGANGSDATUM < ?))) AND ((? IS NULL) OR (t0.WTV_LLV_NR
= ?))) AND ((? IS NULL) OR (t0.WTV_FIRMA = ?))) AND (((? IS NULL) OR (? = (? -
?))) OR (t1.WSB_SB_ID = ?))) AND (t1.WSB_LTV_ID (+) = t0.WTV_ID))
The Problem is the "VWDB_LEASINGTEILVERTRAG t2" entry in the FROM clause of the generated select statement. This causes the select to generate the cartesian product.
Has anyone had such a problem before? How can this be solved?

Hello,
I have exactly the same problem (with a simpler query though). I'm running my webapp on a GlassFish V2 (build b09d-fcs), Toplink Essentials JPA impl. and a MySQL 6.0.4 database server.
I'm trying to run the following JPQL query: select f from Foo f where (1=1) and f.title = :title
After having set persistence log levels to FINE, the following SQL is displayed:
select t0.XXX, t0.YYY from Foo t0, Foo t1 where ((?=?) and (t0.title= ?))
bind => [1, 1, Bar]
(1 = 1) is used because of dynamic query generation (application code)
The problem is that the additional from clause is generating a cartesian product on my Foo table, which causes many duplicated results to be returned.
I have simplified the select part of the query but the actual query is of the same kind: no join, only 1 entity, no inheritance, a single N:1 lazy-initialized entity (*Foo-1FooParent). The only "exotic" facet of my Foo mapping is the use of an @Enumerated column.
Is it the expected behavior?
-Titix

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Hi,
In most cases, you can ORDER BY any column in the table(s) used, whether it is in the result set or not.
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Hi all.
I have a select list on an APEX page at apex.oracle.com, and I would like to order this by the value of column UnitOrder.
The SQL is as follows:
SELECT DISTINCT foodunit.name AS display_value, foodunit.foodunitid AS return_value
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If anyone has an idea, I'd be very happy to hear about it.

Thanks! I didn't think about using a join. Code works now, and is as follows:
SELECT foodunit.name AS display_value, foodunit.foodunitid AS return_value
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Create table as select statement.

Hello Oracle Gurus,
I am trying to create a table using select * from other table.
The procedure that I am following is this:-
I have a temp table whose signature is on commit delete rows.
I insert records in this table.
when I do select * from temp_table,perm_table I get some rows.
then I try to create a result_table using this
CREATE TABLE result_table
AS SELECT * FROM temp_table,perm_table;
I see the table in created but number of records in 0. Can anyone please explain where commit takes place while sequence in this query occurs.
Thanks
Edited by: user10696492 on Nov 10, 2009 8:47 AM

Create table statement is a ddl - so an implicit commit is performed before the create statement begins. The implicit commit will delete all the rows from the temp table. If it is feasible change the definition of the temp table to on commit preserve rows.

Create table as select (CTAS)statement is taking very long time.

Hi All,
One of my procedure run a create table as select statement every month.
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main table temp_ip has 38076
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and a.code in
(primary_diagnosis, secondary_diagnosis_1,
secondary_diagnosis_2, secondary_diagnosis_3,
secondary_diagnosis_4, secondary_diagnosis_5,
secondary_diagnosis_6, secondary_diagnosis_7,
secondary_diagnosis_8, secondary_diagnosis_9,
secondary_diagnosis_10, secondary_diagnosis_11,
secondary_diagnosis_12, secondary_diagnosis_13,
secondary_diagnosis_14)) as hd_diagnosis_hierarchy
from analytic_hes.temp_ip b
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Hello
This is a bit of a wild card I think because it's going to require 14 fill scans of the temp_ip table to unpivot the diagnosis and procedure codes, so it's lilkely this will run slower than the original. However, as this is a temporary table, I'm guessing you might have some control over its structure, or at least have the ability to sack it and try something else. If you are able to alter this table structure, you could make the query much simpler and most likely much quicker. I think you need to have a list of procedure codes for the fiscal year and a list of diagnosis codes for the fiscal year. I'm doing that through the big list of UNION ALL statements, but you may have a more efficient way to do it based on the core tables you're populating temp_ip from. Anyway, here it is (as far as I can tell this will do the same job)
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        hd_spell_fiscal_year,
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(   SELECT
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(   SELECT
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SELECT b.*, a.hd_procedure_hierarchy, c.hd_diagnosis_hierarchy
FROM analytic_hes.temp_ip b,
       LEFT OUTER JOIN hd_procedure_hierarchy a
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David

Optimizing a Select Statement

Hi,
I have recently been asked to generate a program that reports of payroll postings to FI. This involves creating a giant select statement from the ppoix table to gather all the postings. My select statement is as follows:
SELECT pernr                       "EE Number
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The problem here is with the select-options.
For a select statement, you cannot have more that certain amount of data.
The problem with your select becomes complex because of the FOR ALL ENTRIES in and the huge s_pernr and the 40 million records :(.
I am guessing that the s_lgart will be small.
How many entries do you have in internal table "run_doc_xref"?
If there are not that many, then I would suggest this:
TYPES:
BEGIN OF ty_temp_ppoix,
   pernr   TYPE ppoix-pernr,
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   seqno   TYPE ppoix-seqno,
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   postnum TYPE ppoix-postnum,
   tslin   TYPE ppoix-tslin,
   betrg   TYPE ppoix-betrg,
   spprc   TYPE ppoix-spprc,
END OF ty_temp_ppoix.
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i_temp_ppoix TYPE SORTED TABLE OF ty_temp_ppoix
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   WITH HEADER LINE.
DATA:
v_pernr_lines TYPE sy-tabix,
v_lgart_lines TYPE sy-tabix.
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* and the rest of the fields
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      DELETE i_temp_ppoix.
    ENDLOOP.
ELSE.
    SELECT pernr seqno actsign runid postnum tslin lgart betrg spprc
* Selecting into your ACTUAL target here
      INTO TABLE i_ppoix
      FROM ppoix
      FOR ALL ENTRIES IN run_doc_xref
      WHERE runid = run_doc_xref-runid
      AND   tslin = run_doc_xref-linum
      AND   spprc <> 'A'
      AND   pernr IN s_pernr
      AND   lgart IN s_lgart.
ENDIF.
ELSE.
* Error message because of no entries in run_doc_xref?
* Please answer this so a new solution can be implemented here
* if it is NOT an error
ENDIF.
Hope this helps.
Regards,
-Ramesh

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Qwerty wrote:
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table_2_________150
table_3__________80
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Mathias

Yes,
I went through the documentation, but it's only working with cursors.
For better comprehension:
This is the string:
'select count(*) from invoice where sup_no ' || op_sup_no || ' v_sup_no and trpt_code ' || op_trpt_code || ' v_trpt_code and ship_no ' || op_ship_no || ' v_ship_no'
I want to set the operators (op_xxx) dynamiclly. Isn't there something like RUN or EXECUTE, where I only have to pass a string, and the statement is executed ...
But I don't know how ...
Mathias

Lazy fetching problem with TopLink essentials

[TopLink Warning]: 2008.08.02 08:56:14.656--ServerSession(29131495)--Ignoring LAZY fetch type on element [public byte[] org.mayhem.mail.entity.Message.getRawBytes()] within entity class [class org.mayhem.mail.entity.Message]. All basic mappings default to use EAGER fetching.This is what I get when I start TopLink essesntials based JavaEE server. Why is that ?
No, no..... I knooow that lazy fetching is not required to be supported by a JPA implementor.
The question is why ?
I mean, isnt Toplink the official implementation, and arent all features "supposed" to be implemented?
How can I address this issue ?
I dont want to fetch the bytes on each accessed message ...... ;(

TopLink Essentials does not support this optional feature.
EclipseLink 1.0 does, (JPA 2.0 reference impl). EclipseLink is basically the full open sourcing of the TopLink product, where as TopLink Essentials only included "Essential" features.
-- James : [http://www.eclipselink.org]

Toplink Essentials: how can I not to auto persist computed/virtual column

Tags: Toplink Essentials, JPA, virtual columns
Hi All,
This appears to be a newbie question. But I cannot get it solved.
First, my system is Eclipse + TOPlink essentials.
My relational db table has a computed column. It is derived from a column of the same table.
create table WINE(
WINE_NAME VARCHAR2(25),
WINE_STORAGE_DATE DATE,
VINTAGE AS (EXTRACT(YEAR FROM WINE_STORAGE_DATE))
In my JAVA entity, I would like to map VINTAGE into a "auto-generated" field. In this way, when I update relational db table, VINTAGE won't be in the JPA generated INSERT statement, but I can query the VINTAGE into my java entity/object.
I tried the following JPA annotation in my java entity class.
@Entity
public class Wine implements Serializable {
@GeneratedValue private Integer VINTAGE;
I can query db table -- VINTAGE flows from db table to my java object. But when I update table ( I left VINTAGE un-specified ), I get the following error:
Internal Exception: java.sql.SQLException: ORA-54013: INSERT operation disallowed on virtual columns
Error Code: 54013
Call: INSERT INTO WINE(WINE_NAME, WINE_STORAGE_DATE, VINTAGE) VALUES (?, ?, ?)
bind => PinotNoir, 2003-01-05 00:00:00.0, null
Any suggestions on what annotation tage I should use to tell the JPA Provider not to include VINTAGE in the auto-generated INSERT statement?
Thank you very much.
Jing
Edited by: user11935396 on Sep 25, 2009 1:36 PM
Edited by: user11935396 on Sep 25, 2009 1:37 PM

I am not sure if your annotation @GeneratedValue is proper. According to javadoc "Provides for the specification of generation strategies for the values of primary keys. The GeneratedValue annotation may be applied to a primary key property or field of an entity or mapped superclass in conjunction with the Id annotation."
I would rather try to annotate VINTAGE as @Column(insertable=false, updatable=false)

Create Dynamic table name in the select statement.

I use oracle reports 6i to make myrep.rdf , this report created using certain select query Q1, I created a formula column in this report,
in the formula column I write pl/sql block statements to select the data from certain table depends on the output of a column in Q1,
I want to make the pl/sql block dynamically enough to change the user which I select the data from depends on the connected user
Ex: if I connected with user = 'KAM14'
the pl/sql block will be
select x into v_value from kam13.bil_file where .....;
and if I connected with user = 'KAM13'
the pl/sql block will be
select x into v_value from kam12.bil_file where .....;
and so on
how can I do this in the pl/sql block ...
Thanks in Advance.

I am not sure I understood properly, but I think you should create bil_file table under a different user and create synonyms under KAM1x users.
Regards

Toplink Essentials creates not usable select statement

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