Strange behavior in inner query with group by clause

Hi All,
I found a very strange behaviour with Inner query having a group by clause.
Please look the sample code
Select b,c,qty from (select a,b,c,sum(d) qty from tab_xyz group by b,c);
This query gives output by summing b,c wise. But when i run the inner query it gives error as "not a group by expression "
My question is - though the inner query is wrong, how is it possible that this query gives output.
it behaves like -
Select b,c,qty from (select b,c,sum(d) qty from tab_xyz group by b,c);
Is it a normal behaviour ?
If it is a normal behaviour, then how group by behaves inside a inner query.
Thanks !!

This case I have tested already and it throws error.
But why the initial posted query is not throwing
error even the inner query is wrong.
In what way oracle behaves for the initial posted
query?what is the scenario that throws the error? is it at the time when you only run the inner query or the whole query?

Similar Messages

Incorrect warning when parsing query with group by clause

I am using SQL Developer 4.0.0.13.80 with JDK 1.7.0_51 x64 on Windows 8.1
I have the following SQL, which works perfectly:
select substr(to_char(tot_amount), 0, 1) as digit, count(*)
from transactions
where tot_amount <> 0
group by substr(to_char(tot_amount), 0, 1)
order by digit;
However, SQL Developer is yellow-underlining the first line, telling me that:
SELECT list is inconsistent with GROUP BY; amend GROUP BY clause to: substr(to_char(rep_tot_amount), 0, 1), substr(to_char(rep_tot_amount),
which is clearly wrong.
Message was edited by: JamHan
Added code formatting.

Hello,
I also have found the same issue with the GROUP BY hint. Another problem I found is that the hint suggests to amend the GROUP BY members to add also constant values that are included in the SELECTed columns and whenever those constants include strings with spaces, it generates an invalid query. Normally, constant values won't affect grouping functions and as such they can be omitted from the GROUP BY members, but it seems SQL Dev thinks it differently.
For example, if you try the following query:
SELECT d.DNAME, sum(e.sal) amt, 'Total salary' report_title, 100 report_nr
FROM scott.emp e, scott.dept d
WHERE e.DEPTNO = d.DEPTNO
GROUP BY d.DNAME;
when you hover the mouse pointer on the yellow hint, a popup will show the following message:
SELECT list inconsistent with GROUP BY; amend GROUP BY clause to:
d.DNAME, 'Total, 100
If you click on the hint, it will amend the group by members to become:
GROUP BY d.DNAME, 'Total, 100;
that is clearly incorrect syntax. You may notice that after the change the yellow hint is still there, suggesting to amend further the GROUP BY members. If you click again on the hint, you will end with the following:
GROUP BY d.DNAME, 'Total, 100;
, 'Total, 100
and so on.
I am not sure if this behaviour was already known (Vadim??), but it would be nice if somebody could file a bug against it.
Finally when writing big queries with complex functions and constant columns, those yellow lines extend all over the select list and they are visually annoying, so I wonder if there is a way to disable the GROUP BY hint until it gets fixed.
Thanks for any suggestion,
Paolo

Query with group by clause

Hi all,
I am struggling with one query.So Just i am giving the example..
CREATE TABLE test(num NUMBER,val NUMBER,description VARCHAR2(100))
table having the following data
num val description
1 100 first
1 200 second
1 300 third
Now i want to take the sum and discription based on num field..
i should get like ==> 1 600 first
my query is...
SELECT SUM(val),description
FROM test
GROUP BY description
But it's giving all records.because description field is there in select statement..
I tried two cursors for this case..its o.k
But Is there any way instead of using two cursors.
Thanks,

Not sure what you are trying to achieve here. For the same value of NUM (say 1), you have 3 different values of VAL & DESCRIPTION. Do you want to sum up the VAL values for a particular value of NUM? In that case, what will be the corresponding DESCRIPTION?
How did you arrive at the result --- 1 600 first
-- whereas the DESCRIPTION is different for the 3 VAL values?

Problem with the query in group by clause

hi, i have problem with group by clause, can some one please help me.
select
header_id,
(select sum(nvl(dr,0) - nvl(cr ,0)) from temp_tab a1
where
a1.country=a.country
and a1.source='AP'
and a1.header_id=a.header_id) WHT,
sum(dr),
sum(cr) from temp_tab a
group by header_id,
(select sum(nvl(dr,0) - nvl(cr ,0)) from temp_tab a1
where
a1.country=a.country
and a1.source='AP'
and a1.header_id=a.header_id)
select * from temp_tab
drop table temp_tab
create table temp_tab(header_id number ,line_num number, country varchar2(2),
source varchar2(2), dr number, cr number,primary key(header_id,line_num));
insert into temp_tab(header_id, line_num,country, source, dr,cr) values(1, 1,'NL','AP',100,20);
insert into temp_tab(header_id, line_num,country, source, dr,cr) values(1, 2,'PO','AP',20,20);
insert into temp_tab(header_id, line_num,country, source, dr,cr) values(1, 3,'NL','AP',70,20);
insert into temp_tab(header_id, line_num,country, source, dr,cr) values(2, 1,'NL','PA',100,20);
insert into temp_tab(header_id, line_num,country, source, dr,cr) values(2, 2,'NL','PA',100,20);
insert into temp_tab(header_id, line_num,country, source, dr,cr) values(3, 1,'KR','PO',100,20);
commit;
Appreciate your help.
Thanks,

select header_id,
         (select sum(nvl(dr,0) - nvl(cr ,0)) from temp_tab a1
         where a1.country=a.country
         and a1.source='AP'
         and a1.header_id=a.header_id) WHT,
         sum(dr),
         sum(cr)
from temp_tab a
group by header_id
,countryIt's kinda hard to follow what your query does... maybe because I'm only at my second coffee..
Edited by: Alex Nuijten on Oct 2, 2009 8:07 AM

Strange behavior in a table with dropTarget and delete action

I am having a strange behavior in a table with drag and drop and action component to delete row.
Steps:
Drag the first row to the table and appears in the destination table (works well)
Select and change the value by 156, appears an error (works fine)
delete the row, the row disappears (works well)
Add the first row again and the value is 156 instead of 158 (why ????)
I guess the error is the deletion that is not correct, but do not know how?
Can anyone help?
I add the source code if you see where I'm wrong
Java class:
+public class BeanExample {+
private ArrayList<RowExample> starttValues;
private ArrayList<RowExample> endValues;
+public BeanExample() {+
super();
+}+
+public void setStarttValues(ArrayList<BeanExample.RowExample> starttValues) {+
this.starttValues = starttValues;
+}+
+public ArrayList<BeanExample.RowExample> getStarttValues() {+
+if (starttValues == null) {+
starttValues = new ArrayList<BeanExample.RowExample>();
starttValues.add(new RowExample("1", new Number(158)));
starttValues.add(new RowExample("21", new Number(12565464)));
+}+
return starttValues;
+}+
+public void setEndValues(ArrayList<BeanExample.RowExample> endValues) {+
this.endValues = endValues;
+}+
+public ArrayList<BeanExample.RowExample> getEndValues() {+
+if (endValues == null) {+
endValues = new ArrayList<BeanExample.RowExample>();
+}+
return endValues;
+}+
+public void validatorExample(FacesContext facesContext, UIComponent uIComponent, Object object) {+
Number number = (Number)object;
+if ((number.longValue() % 2) == 0) {+
FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_ERROR, "ES PAR", "ES PAR");
throw new ValidatorException(message);
+}+
+}+
+public DnDAction handleDrop(DropEvent dropEvent) {+
Transferable transferable = dropEvent.getTransferable();
DataFlavor<RowKeySet> rowKeySetFlavor = DataFlavor.getDataFlavor(RowKeySet.class, "loteDrag");
RowKeySet rowKeySet = transferable.getData(rowKeySetFlavor);
+if (rowKeySet != null) {+
CollectionModel dragModel = transferable.getData(CollectionModel.class);
+if (dragModel != null) {+
Object currKey = rowKeySet.iterator().next();
dragModel.setRowKey(currKey);
RowExample table = (RowExample)dragModel.getRowData();
getEndValues().add(new RowExample(table.getId(), table.getValue()));
return dropEvent.getProposedAction();
+}+
+}+
return DnDAction.NONE;
+}+
+public void borrarFila(ActionEvent actionEvent) {+
endValues.remove(0); RequestContext.getCurrentInstance().addPartialTarget(FacesContext.getCurrentInstance().getViewRoot().findComponent("pc1:t2"));
+}+
+public static class RowExample {+
private String id;
private Number value;
+public RowExample(String id, Number value) {+
super();
this.id = id;
this.value = value;
+}+
+public void setId(String id) {+
this.id = id;
+}+
+public String getId() {+
return id;
+}+
+public void setValue(Number value) {+
this.value = value;
+}+
+public Number getValue() {+
return value;
+}+
+}+
+}+JSF
+<?xml version='1.0' encoding='windows-1252'?>+
+<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.1"+
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:af="http://xmlns.oracle.com/adf/faces/rich">
+<jsp:directive.page contentType="text/html;charset=windows-1252"/>+
+<f:view>+
+<af:document id="d1">+
+<af:form id="f1">+
+<af:panelGroupLayout id="pgl1">+
+<af:table value="#{beanExample.starttValues}" var="row"+
rowBandingInterval="0" id="t1" rowSelection="single"
displayRow="selected" contentDelivery="immediate">
+<af:column sortable="false" headerText="Id" align="start" id="c2">+
+<af:outputText value="#{row.id}" id="ot1"/>+
+</af:column>+
+<af:column sortable="false" headerText="Value" align="start" id="c1">+
+<af:outputText value="#{row.value}" id="ot2"/>+
+</af:column>+
+<af:collectionDragSource actions="COPY" modelName="loteDrag"/>+
+</af:table>+
+<af:panelCollection id="pc1">+
+<f:facet name="toolbar" >+
+<af:toolbar id="dc_t2" >+
+<af:commandToolbarButton shortDesc="Delete"+
icon="/imagesDemo/delete_ena.png"
id="dc_ctb3" immediate="true"
+actionListener="#{beanExample.borrarFila}"/>+
+</af:toolbar>+
+</f:facet>+
+<af:table value="#{beanExample.endValues}" var="row"+
+rowBandingInterval="0" id="t2">+
+<af:column sortable="false" headerText="Id" align="start" id="c3">+
+<af:outputText value="#{row.id}" id="ot3"/>+
+</af:column>+
+<af:column sortable="false" headerText="Value" align="start" id="c4" >+
+<af:inputText value="#{row.value}" autoSubmit="true" id="it1" validator="#{beanExample.validatorExample}"/>+
+</af:column>+
+<af:collectionDropTarget actions="COPY" modelName="loteDrag"+
+dropListener="#{beanExample.handleDrop}"/>+
+</af:table>+
+</af:panelCollection>+
+</af:panelGroupLayout>+
+</af:form>+
+</af:document>+
+</f:view>+
+</jsp:root>+

I think the problem is the validator
I changed the practical case, I added an InputText to enter new values in the first row.
+<af:inputText immediate="true" label="new value" id="it2"+
+valueChangeListener="#{beanExample.newvalue}" autoSubmit="true"/>+
+public void newvalue (ValueChangeEvent valueChangeEvent) {+
+String valor = (String)valueChangeEvent.getNewValue();+
+Number valorNumber=null;+
+try {+
+valorNumber = new Number (valor);+
+} catch (SQLException e) {+
+}+
+RowExample example = (RowExample) endValues.get(0);+
+example.setValue(valorNumber);+
+example.setId(valorNumber.toString());+
+RichTable table = (RichTable)FacesContext.getCurrentInstance().getViewRoot().findComponent(id);+
+RequestContext.getCurrentInstance().addPartialTarget(table);+
+}+
Case 1
I drag the first row to the target table (ok)
The new row appears (ok)
Enter the value 77 in the InputText (ok)
id content and value change (ok)
Case2
I drag the first row to the destination table
The new row appears (ok)
Change the value of the first row by 80 (ok)
errors appears (by validator) (ok)
Enter the value 77 in the InputText (ok)
the id is changed but the value NO (*KO*)
I do not understand the behavior
Edited by: josefuente on 27-oct-2010 16:03

Aggregate fuction with group by clause

Hello,
Following is assignment is given but i dont get correct output
so please i am request to all of us write code to solve my problem.
There can be multiple records for one customer in VBAK tables with different combinations.
Considering that we do not need details of each sales order,
use Aggregate functions with GROUP BY clause in SELECT to read the fields.
<garbled code removed>
Moderator Message: Please paste the relevant portions of the code
Edited by: Suhas Saha on Nov 18, 2011 1:48 PM

So if you need not want all the repeated records, then you select all the values to an Internal table,
and declare an internal table of same type and Usee COLLECT
for ex:
itab1 type <xxxx>.
wa_itba like line of itab1.
itab2 type <xxxx>. "<-This should be same type of above.
select * from ..... into table itab1.
and now...
loop at itab1 into wa_itab.
collect wa_itab1 into itab2.
endloop.
then you will get your desired result..

Query with order by clause

Hi,
I found a query with order by clause in procedure which is taking long time.
Stats are upto date.
Total Rows :650000.
It is ordered by primary key column.
select * from table_name order by col1;
col1 is a primary key.No of cpu's used is 4.
can anyone suggest me a better solution to improve the performance of a query.
Is it better to use parallel hint for above scenario.
Any help really apprecaited.
Thanks in advance.

Hi,
Thanks for ur immediate reply.
It doesn't have where clause.
below is the plan
SQL> select * from table(dbms_xplan.display);
PLAN_TABLE_OUTPUT
Plan hash value: 619071987
| Id | Operation                   | Name                 | Rows | Bytes | Cos
|   0 | SELECT STATEMENT            |                      |   671K|   255M| 125
|   1 | TABLE ACCESS BY INDEX ROWID| FULL_ITEM_FACILITIES |   671K|   255M| 125
|   2 |   INDEX FULL SCAN           | FIF_PK               |   671K|       |
9 rows selected
Executed in 0.094 secondsThanks in advance
Edited by: unique on Jun 22, 2009 8:26 AM

Ora-03114 running a query with group by

Hi, I've a query with a group by on a sub-query, something like
SELECT <40+ fields>
FROM (SELECT <40+ fields>
FROM table
GROUP BY <40+ fields> I don't have any problem running this query directly via toad. This query is a cursor in a procedure in a package and, if I invoke it on the same data, the session crash "with ora-03114 not connected to oracle". If I modify the query selecting less fields, 22, I don't have any problem while with 23 the crash appears.
Furthermore, I don't have any problem in other databases with similar data.
The db version is 9.2.0.6.0 - 64bit
Any idea/advice?
Edited by: 912104 on 3-feb-2012 2.02
Edited by: 912104 on 3-feb-2012 2.03
Edited by: 912104 on 3-feb-2012 2.03

912104 wrote:
I have difficult to have more information, I can only add:
select * from v$version
BANNER
Oracle9i Enterprise Edition Release 9.2.0.6.0 - 64bit Production
PL/SQL Release 9.2.0.6.0 - Production
CORE 9.2.0.6.0 ; Production
TNS for IBM/AIX RISC System/6000: Version 9.2.0.6.0 - Production
NLSRTL Version 9.2.0.6.0 - Production Can I ask what do you think about the different behavior via toad and via package? I mean, it's possible that is a server bug?
Edited by: 912104 on 3-feb-2012 4.02Are you retrieving the entire result set via toad? or just the first few records?
Are there any TOAD non-fetched column values in your result set, i.e. CLOBS, XMLTypes, nested types?
What does your code do with the cursor? Presumably you don't loop through it and do nothing. Are you sure it's the select that's causing the error, or something you are doing with the data in the procedure?
Can you not adding some instrumentation to your code so that you know exactly what line/data values are processed at the time of the crash? Does it always crash on the same values/line or does it vary?
"Furthermore, I don't have any problem in other databases with similar data." ... what do you mean by "similar data". You only need one odd value in one column to cause you a 3114 in the right circumstances. It seems like you are long way off establishing what exactly the problem is. It's always useful not to close doors to lines of thought. You need to systematically track down the root cause of the issue by exclusion and assumptions are the enemy of that process.

Strange behavior of stop control with events

I have found some strange behavior while using stop controls. I have a main vi which has two while loops. One of them is used to continuosly acquire the images. The other while loop has event structure that has several booleans which trigger different events. Both the while loops are operated using the same stop. My problem is this. None of the events get triggered when I press the buttons for them. However if I keep the stop value true( which stops the acquisition) and then click the event buttons all of them work fine. so every time I want an event to run I first change this stop value to true and then press the button for the event to fire. I want to know what is causing this? Why is th stop button influencing the behavior
of other events?

If your while loops are completely independent then it whould work. I've attached a simple example in LabVIEW 6.1 that shows a while loop with an event structure and another running continuously. A single stop button stops both but until then, the event structure will respond to clicking on two other Booleans in the VI.
Attachments:
Two_While_Loops.vi ‏24 KB

Changing DEFAULT_WHERE of a FROM CLAUSE Query (with group by)

I have a Data Block of type FROM CLAUSE Query.
The Data Source Name is
SELECT A2.NAME,A2.EMPLOYEEID,A1.ORGID,A1.FSCLYEARID,A1.STATUS,COUNT(*) AS COUNTER
FROM S_PLC10300 A1,S_PLC50200 A2
WHERE A1.EMPLOYEEID=A2.EMPLOYEEID
GROUP BY A1.ORGID,A1.FSCLYEARID,A1.STATUS,A1.EMPLOYEEID,A2.NAME,A2.EMPLOYEEID
I have a Query Area with text items which i use to change the DEFAULT_WHERE Property.
My problem is that i can' t put in the DEFAULT_WHERE a field that doesn't belong to the SELECT Clause. Is there a way to achieve this?
Maybe changing the whole Data Source Name at runtime ?
Thanks

As I said i have a block with FROM clause query:
SELECT A1.ORGID,A1.FSCLYEARID,A1.STATUS, A1.EMPLOYEEID, A2.NAME,A2.EMPLOYEEID
FROM S_PLC10300 A1,S_PLC50200 A2
WHERE A1.EMPLOYEEID=A2.EMPLOYEEID
GROUP BY A1.ORGID,A1.FSCLYEARID,A1.STATUS,A1.EMPLOYEEID,A2.NAME,A2.EMPLOYEEID
i use the following code:
set_block_property(BLOCK,DEFAULT_WHERE,'A1.TRNSDATE>=:QUERY_BLOCK.TRNDATE);
What i think the code will do is change the FROM Clause Query to:
SELECT ... WHERE A1.EMPLOYEEID=A2.EMPLOYEEID AND A1.TRNSDATE>=:QUERY_BLOCK.TRNDATE
GROUP BY ...
A1.TRNSDATE is a valid field of table A1.
I can' t add TRNSDATE to my SELECT clause because i will have to add it to the GROUP BY clause.
Hope i made more sense this time.
Thanks

Problem with group by clause

Hi,
this is my query
SELECT inccodrid, inccau, count(*) AS record, sum(incprez) AS prezzo, sum(incpren) AS preno, sum(incprev) AS preve
FROM incassi
WHERE incuten='125' And incdemi Between #12/4/2002# And #12/4/2002#
GROUP BY inccodrid, inccau
ORDER BY inccau
when i execute this query with jdbc the runtime give me an error "stato del cursore non valido", but if i try to execute in msaccess the query work fine.... Anyone can help me?
Problem n 2
SELECT produzione.proid, inccodrid, inccau, count(*) AS record, sum(incprez) AS prezzo, sum(incpren) AS preno, sum(incprev) AS preve
FROM (produzione INNER JOIN titoli ON produzione.proid=titoli.titpro) INNER JOIN incassi ON titoli.titid=incassi.incevid
WHERE produzione.proid=dato And incdemi Between data1 And data2
GROUP BY produzione.proid, inccodrid, inccau
ORDER BY produzione.proid, inccau;
when i execute this query with jdbc he give me one record and no-error, but if i try to execute in msaccess the query work fine and give me 3 record???!!!
I know that access is not the greatest dbengine in the world, but i need to use it...
thanks
Baro

Can you please post part of your Java Code where you do your database things. maybe i can help you then.

Analytic Functions with GROUP-BY Clause?

I'm just getting acquainted with analytical functions. I like them. I'm having a problem, though. I want to sum up the results, but either I'm running into a limitation or I'm writing the SQL wrong. Any hints for me?
Hypothetical Table SALES consisting of a DAY_ID, PRODUCT_ID, PURCHASER_ID, PURCHASE_PRICE lists all the
Hypothetical Business Question: Product prices can fluctuate over the course of a day. I want to know how much per day I would have made had I sold one each of all my products at their max price for that day. Silly question, I know, but it's the best I could come up with to show the problem.
INSERT INTO SALES VALUES(1,1,1,1.0);
INSERT INTO SALES VALUES(1,1,1,2.0);
INSERT INTO SALES VALUES(1,2,1,3.0);
INSERT INTO SALES VALUES(1,2,1,4.0);
INSERT INTO SALES VALUES(2,1,1,5.0);
INSERT INTO SALES VALUES(2,1,1,6.0);
INSERT INTO SALES VALUES(2,2,1,7.0);
INSERT INTO SALES VALUES(2,2,1,8.0);
COMMIT;
Day 1: Iif I had sold one product 1 at $2 and one product 2 at $4, I would have made 6$.
Day 2: Iif I had sold one product 1 at $6 and one product 2 at $8, I would have made 14$.
The desired result set is:
DAY_ID                 MY_MEASURE
1                        6
1                       14The following SQL gets me tantalizingly close:
SELECT DAY_ID,
MAX(PURCHASE_PRICE)
KEEP(DENSE_RANK FIRST ORDER BY PURCHASE_PRICE DESC)
OVER(PARTITION BY DAY_ID, PRODUCT_ID) AS MY_MEASURE
FROM SALES
ORDER BY DAY_ID
DAY_ID                 MY_MEASURE
1                      2
1                      2
1                      4
1                      4
2                      6
2                      6
2                      8
2                      8But as you can see, my result set is "longer" than I wanted it to be. I want a single row per DAY_ID. I understand what the analytical functions are doing here, and I acknowledge that I am "not doing it right." I just can't seem to figure out how to make it work.
Trying to do a sum() of max() simply does not work, nor does any semblance of a group-by clause that I can come up with. Unfortunately, as soon as I add the windowing function, I am no longer allowed to use group-by expressions (I think).
I am using a reporting tool, so unfortunately using things like inline views are not an option. I need to be able to define "MY_MEASURE" as something the query tool can apply the SUM() function to in its generated SQL.
(Note: The actual problem is slightly less easy to conceptualize, but solving this conundrum will take me much closer to solving the other.)
I humbly solicit your collective wisdom, oh forum.

Thanks, SY. I went that way originally too. Unfortunately that's no different from what I could get without the RANK function.
SELECT DAY_ID,
        PRODUCT_ID,
        MAX(PURCHASE_PRICE) MAX_PRICE
FROM SALES
GROUP BY DAY_ID,
           PRODUCT_ID
ORDER BY DAY_ID,
           PRODUCT_ID
DAY_ID                 PRODUCT_ID             MAX_PRICE
1                      1                      2
1                      2                      4
2                      1                      6
2                      2                      8

Query Plan 'group-by' clause

In evaluating several query plans, I've discovered several sqlstop messages that read:
<groupBy preclustered="true" sqlstop="Cannot generate SQL for the 'group-by' clause because it is not equivalent to the relational GROUP BY clause" stable="true">
I've examined the XQuery code and find no group clause and I can't find a reference to this message in the documentation or by googling the text. I assume that the grouping is being done implicitly by ODSI since it is not in the XQuery source. I have tried restructuring the code to no avail.
My question is -- is this causing me a performance problem since the sql is not generated, and if so, what steps must I take in the xquery structure to avoid this issue.
Many thanks to anyone who can provide some insight into this.
Regards,
PB

is this causing me a performance problem since the sql is not generatedMy question is - why are you asking this question? :) Do you have a performance problem? The "Best Practices" posted as an announcement in this forum might help. Otherwise engage customer support.
To answer your question - your xquery likely generates nested/hierarchical xml - and looks something like below - which can be implemented with a sql left-outer-join ordered by CUSTOMER_ID of the customer-table, and taking the rows returned and ... grouping by CUSTOMER_ID to eliminate the duplicate customer information. So there's your group-by. But you cannot write sql that has a left-outer join, and then a group-by on the left-hand side. So the group by is done in the engine. Since the results are already sorted, the group-by in the engine simply skips over the duplicates (i.e. it's basically free).
for $c in CUSTOMER()
where $c/LAST_NAME = $lastname
return
<CUSTOMER>
... $c/CUSTOMER_ID ... (: in a left-outer-join, the CUSTOMER_ID is duplicated for every ORDER :)
{ for $o in ORDER()
where $o/CUSTOMER_ID eq $c/CUSTOMER_ID
return
</CUSTOMER>

Default Sorting behaviour of Oracle 9i in 11g along with group by clause

Hi,
We have recently migrated from 9i to 11g. The reports from application comes in a jumbled fashion. Later we understood when there is a group by clause in the query, the recordset will be sorted by default in 9i and this feature is not available in 11g. Do anyone faced the same issue and resolved at the DB level.
Only alternate we found is the change in code with addittional order by clause which will take a long time to complete and roll out the same.
If anyone has got any immediate solution, please let me know.
Thx in advance.
Sheen

Hi,
A group by can sort (depending on the method of grouping) but it isn't necessary. If you want to sort the output you need the ORDER BY clause. There are different group by mechanismes between 9i and 11g. 10g introduced HASH GROUP BY where in 9i only the SORT GROUP BY existed. The latter gives a sorted set, the first not.
if you want the same behaviour you can use "_gby_hash_aggregation_enabled parameter" = false, which disables the hash group by.
Have also a look at the support document "'Group By' Does Not Guarantee a Sort Without Order By Clause In 10g and Above [ID 345048.1]".
Herald ten Dam
http://htendam.wordpress.com

Reg - Search Form for a VO with group by clause

Hi,
I have a Bar graph that displays data based on the Query below.
SELECT STATUS.STATUS_ID AS STATUSID,STATUS.STATUS,COUNT(SR.SERVICEREQUEST_ID) AS SRCOUNT
FROM SERVICE_REQUEST SR ,SERVICEREQUESTSTATUS STATUS
WHERE SR.STATUS_ID = STATUS.STATUS_ID
GROUP BY STATUS.STATUS_ID,STATUS.STATUS,SR.STATUS_ID
It displays the count of SRs against a particular status.
Now I need to add a search form to this graph with customer and date range.
So we need to add the line below to the where clause.
"SR.CUSTOMER_ID = :customerId AND SR.REQUESTED_ON BETWEEN :fromDate and :toDate"
But the columns SR.CUSTOMER_ID, SR.REQUESTED_ON also need to be added to the select clause to create the View criteria for search panel.
The two columns should also need to be added to the group by clause if we are to add them in the select clause.
This would not produce the expected results.
How do I create a search form with the criterias applied only at the where clause.Please help.
With Regards,
Guna

The [url http://docs.oracle.com/cd/E16162_01/apirefs.1112/e17483/oracle/jbo/server/ViewObjectImpl.html]ViewObjectImpl has methods for doing this programmatically (setQuery, defineNamedWhereClauseParam, setNamedWhereClauseParam) that you can use to manipulate the query, the bind variables expected, and the values for the binds.
John

Strange behavior in inner query with group by clause

Similar Messages

Maybe you are looking for