Report Query Problem/Question

I have 3 tables:
Table one - Recipe
PK varchar2(100) (yes, I know it isn't a number, but I had to put a 'CPL' in front of each sequence)
RECIPE_NAME varchar2(250)
Table two - Ingredients
PK varchar2(100) (same reason as above expect needed a 'P' in front of each sequence)
INGREDIENT_NAME varchar2(250)
PRICE number
Table three - Lkup_recipes
PK number
RECIPE_PK varchar2(100)
INGREDIENT_PK varchar2(100)
QUANTITY
So, table one contains data like this:
CPL1234 'APPLE PIE'
CPL1256 'PIE CRUST'
table two contains data like this:
P1234 'FLOUR' 5.00
P1256 'EGG' 2.56
P1278 'WATER' 0.00
P1312 'APPLE' 0.50
table three contains data like this:
1234 CPL1234 CPL1256 2
1235 CPL1234 P1312 5
1236 CPL1234 P1234 1
1237 CPL1256 P1234 1
1238 CPL1256 P1278 3
Now, I have a report that shows the RECIPES with their price. I am having problems getting the proper price, based on the data above, since my recipe, Apple Pie, contains ingredients as well as the recipe, Pie Crust.
I would expect the price of my pie to be: $17.50 but I am only getting a cost of $7.50.
The query I am currently using is:
select t1.pk, t1.recipe_name, sum(t2.price * t3.quantity) Price
from recipe t1, ingredients t2, lkup_recipe t3
where t1.pk = t3.recipe_pk
and t2.pk = t3.ingredient_pk
group by t1.pk, t1.recipe_name
Obviously it isn't tracking down beyond the recipe, Pie Crust, to determine its' cost based on the ingredients contained in it.
Any ideas out there on how to get my full price?
Thanks!!
Chrissy

Hi Chrissy, 
Your problem is that while you put "Pie Crust" as an ingredient in the apple pie, It is not also in the ingredients table. Heres an option: 
run a batch job that looks at the ingredients table and finds all of the ingredients that are actually recipes. Have it calculate the cost of these "sub recipes" and insert them in the ingredients table along with their cost. 
While this will get you around your problem, I dont think it is a good solution. You should rework your data model to be more versatile to include sub recipes OR you can simply alter your application to not use sub-recipes at all (instead just re-list all of the ingredients).
 
Let me know if you need any advice.
 
Dave 
Lehr.ServeHTTP.com

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Edited by: bhenderson on Feb 1, 2012 8:22 AM

Thanks for your response.
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I don't know how to post an image here, but I will try to describe it:
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PLEASE report what you've already tried when posting problems/questions!

A lot of threads have a common theme:
(1) The first post describes a problem, or asks a question.
(2) The second (or third, or fourth) post suggests doing or trying something.
(3) The next response, from the original poster, says "Oh, I already tried that!"
Please, when describing a problem or asking a question, be reasonably detailed about the scenario, what you did, what results you got, WHAT YOU'VE ALREADY TRIED, etc.
Vague undetailed problems/questions, not describing the N steps you've already taken to try to resolve it, etc. just waste time and bandwidth all around!
Doug

Hi Doug;
If we are going to start of list of things NOT to do when posting a question, the one I always think is the absolute silliest is when they say I am having trouble with an application and never ever tell up what application they are talking about as if we have a crystal ball which is going to tell us what mythical application it is. Well it turns out generally my crystal ball is foggy just then so I have to ask what are you talking about here.
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Interactive report performance problem over database link - Oracle Gateway

Hello all;
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Looking at your case I would be interested to see what the explain plan and results would be for something like the following two statements (sorry - you're going have to check them, it's late!)
WITH a AS
(SELECT /*+ MATERIALIZE */ *
FROM table_one),
b AS
(SELECT /*+ MATERIALIZE */ *
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(SELECT b.col3 x
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FROM table_one a
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SELECT apex_item.checkbox(1,x), y , z
FROM sourceqry
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(SELECT /*+ MATERIALIZE */ *
FROM table_one),
b AS
(SELECT /*+ MATERIALIZE */ *
FROM table_two)
SELECT apex_item.checkbox(1,x), y , z
FROM table_one a
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WHERE a.col3 = 12345
AND   a.col4 = 100
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Sorry for all the questions but it helps to answer the question, if I can.
Cheers
Ben
http://www.munkyben.wordpress.com
Don't forget to mark replies helpful or correct ;)

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Hello
You can change the DB isolation level to Read uncommitted
http://technet.microsoft.com/en-us/library/ms378149(v=sql.110).aspx
or use WITH (NOLOCK)
I do use NOLOCK option for the dirty reads to avoid locks on the tables
Javier Villegas |
@javier_vill | http://sql-javier-villegas.blogspot.com/
Please click "Propose As Answer" if a post solves your problem or "Vote As Helpful" if a post has been useful to you

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Hi,
I want to dynamically change the where condition in APEX report query. Can anyone help me solve my this problem?
(Just want to change the query which we change in Oracle Reports using lexical parameter to change &Where, &Order by etc. dynamically!!)
Thanks, Praful

Hi
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Eat your heart out "Oracle Reports"!!!
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Mike

Report Query wizard error (in Shared Components)

I have been following the <a target="_window" href="http://www.oracle.com/technology/products/database/application_express/howtos/howto_master_detail_pdf.html">How-To Create a Master-Detail PDF Report</a> 
 
I'm using Apex 3.01 and Firefox 2.0.0.7 
 
When I have to create a Report Query in the shared components, I get through the wizard to the Create Report Query Layout page and for some reason, the Previous and Next buttons don't work. The only button that works is the Cancel button. 
It seems to happen after I've downloaded the sample XML file from that page. 
I've also noticed this happens when you go in to edit an existing Report Query and take a download of the XML... 
On closer inspection it seems to be the buttons that have onclick="javascript:doSubmit..." behind them that don't work. Buttons with javascript:confirmDelete seem to still be active and work ok. 
 
But, the problem doesn't happen in IE7. 
 
I found this happened on both my local installation and on my apex.oracle.com instance. 
 
Has anyone else had this behavior or is this some dodgy local setting I have wrong? 
 
Gus.. 

Hi,
This is posted in the wrong forum. This forum is for Oracle Berkeley DB. Please find the correct forum and post your question there.
Regards,
Alex Gorrod,
Oracle Berkeley DB

Call to predefined Report Query for PDF download does nothing

I am trying to download a PDF report which is based upon 2 queries. Each query has a where clause with values taken from page items. I have installed OBI Publisher 11.1.1.5 and used the OBI Publisher 11.1.1.5 Word plug-in to create the RTF file that I then uploaded to the Shared Components->Report Layout.
I created a new region button to call the Report Query. However, whenever I click on the button to download the PDF, nothing happens. I have looked at the debug and the button appears to be executing OK, except that nothing happens.
The APEX to OBIP configuration is working since I am able to have OBIP generate other report PDFs that aren't using the predefined query. Stated a bit differently, reports regions that have the Print Attributes set to "Enable Report Printing=Yes" and "Report Layout=Default Report Layout" work fine. Reports based upon the predefined query and launched using a region button do not do anything.
Environment: APEX 4.1, DB 11.2.0.2, OBIP 11.1.1.5
Any help with this PDF issue is greatly appreciated.
Thanks,
Reid

Thank you again for your reply, Udo.
Here are my responses:
* As a matter of fact, I am doing a copy / paste from the predefined query to the report region source.
** What exactly do you mean by that? Don't you print the actual region?
I need to produce a PDF that is the compilation of 4-5 queries. Therefore, I cannot print a region to PDF since APEX (as far as I know) does not allow for the printing of multiple regions (1 query per region) to a single PDF file. So, I am creating a PDF that is based upon multiple queries which I predefine in the shared components -> report queries. Then, I'm creating a region button that calls a downloadable report when it is clicked.
Your question has made me realize that indeed it doesn't matter what query I have in the report region since I am calling a predefined report. When nothing was happening when I attempted to generate the PDF, I guess I started to think that the problem was with the queries on the page and so I made them match exactly with what the queries are in the shared components->report queries.
Please advise if something is wrong with my understanding here.
I checked the OBI Publisher logs (at least what I could locate) and I didn't see anything show up there.
/u02/app/ohs/obip_mw/user_projects/domains/bifoundation_domain/servers/AdminServer/logs
I checked the OHS access_log and I didn't see anything that looks like an error. I also don't see anything in the APEX page debug. It appears to process normally when the button is clicked.
From the access_log:
192.168.1.137 - APEX_PUBLIC_USER [27/Dec/2011:22:17:30 -0500] "GET /pls/apex/f?p=4000:RUN_PAGE:55206340610065:BRANCH_TO_PAGE_ACCEPT:NO::FB_FLOW_ID,FB_FLOW_PAGE_ID,F4000_P1_FLOW:103,235,103 HTTP/1.1" 302 -
192.168.1.137 - APEX_PUBLIC_USER [27/Dec/2011:22:17:30 -0500] "GET /pls/apex/f?p=103:235:55206340610065::::: HTTP/1.1" 200 21588
192.168.1.137 - APEX_PUBLIC_USER [27/Dec/2011:22:17:32 -0500] "POST /pls/apex/wwv_flow.accept HTTP/1.1" 302 -
192.168.1.137 - APEX_PUBLIC_USER [27/Dec/2011:22:17:32 -0500] "GET /pls/apex/f?p=103:235:4495899155137965::::: HTTP/1.1" 200 21588
Here is a look at the page debug:
0.00246     0.00107     A C C E P T: Request="TRANSCRIPT_PDF"     4
0.00350     0.00501     Metadata: Fetch application definition and shortcuts     4
0.00851     0.00080     alter session set nls_language="AMERICAN"     4
0.00931     0.00060     alter session set nls_territory="AMERICA"     4
0.00991     0.00078     NLS: CSV charset=WE8MSWIN1252     4
0.01069     0.00067     ...NLS: Set Decimal separator="."     4
0.01136     0.00083     ...NLS: Set NLS Group separator=","     4
0.01219     0.00082     ...NLS: Set g_nls_date_format="DD-MON-RR"     4
0.01301     0.00079     ...NLS: Set g_nls_timestamp_format="DD-MON-RR HH.MI.SSXFF AM"     4
0.01380     0.00077     ...NLS: Set g_nls_timestamp_tz_format="DD-MON-RR HH.MI.SSXFF AM TZR"     4
0.01457     0.00064     ...Setting session time_zone to -05:00     4
0.01522     0.00077     Setting NLS_DATE_FORMAT to application date format: DD-MON-YYYY HH:MIPM     4
0.01599     0.00094     Setting NLS_TIMESTAMP_FORMAT to application timestamp format: DD-MON-YYYY HH:MIPM     4
0.01693     0.00077     ...NLS: Set g_nls_date_format="DD-MON-YYYY HH:MIPM"     4
0.01770     0.00078     ...NLS: Set g_nls_timestamp_format="DD-MON-YYYY HH:MIPM"     4
0.01848     0.00068     ...NLS: Set g_nls_timestamp_tz_format="DD-MON-RR HH.MI.SSXFF AM TZR"     4
0.01916     0.00046     NLS: Language=en-us     4
0.01962     0.00219     ...metadata, fetch translated application info     4
0.02181     0.00088     ...fetch session state from database     4
0.02269     0.00096     fetch items     4
0.02365     0.00090     ...fetched 32 session state items     4
0.02455     0.00170     Authentication check: CUSTOM TABLE AUTH (NATIVE_CUSTOM)     4
0.02625     0.00074     ... sentry+verification success     4
0.02698     0.00057     ...Session ID 4495899155137965 can be used     4
0.02755     0.00056     ...Check session 4495899155137965 owner     4
0.02811     0.00064     Setting NLS_DATE_FORMAT to application date format: DD-MON-YYYY HH:MIPM     4
0.02875     0.00080     Setting NLS_TIMESTAMP_FORMAT to application timestamp format: DD-MON-YYYY HH:MIPM     4
0.02955     0.00062     ...NLS: Set g_nls_date_format="DD-MON-YYYY HH:MIPM"     4
0.03017     0.00069     ...NLS: Set g_nls_timestamp_format="DD-MON-YYYY HH:MIPM"     4
0.03086     0.00053     ...NLS: Set g_nls_timestamp_tz_format="DD-MON-RR HH.MI.SSXFF AM TZR"     4
0.03139     0.00130     ...Check for session expiration:     4
0.03269     0.00055     ...Metadata: Fetch Page, Computation, Process, and Branch     4
0.03323     0.00102     Session: Fetch session header information     4
0.03425     0.00047     ...Setting session time_zone to -5:00     4
0.03472     0.00187     ...metadata, fetch page info     4
0.03660     0.00092     ...Validate item page affinity.     4
0.03751     0.00050     ...Validate hidden_protected items.     4
0.03801     0.00061     ...Check authorization security schemes     4
0.03862     0.00095     Session State: Save form items and p_arg_values     4
0.03957     0.00081     ...Session State: Save "P235_TRANSCRIPT_ID" - saving same value: "7"     4
0.04038     0.00065     Processes - point: ON_SUBMIT_BEFORE_COMPUTATION     4
0.04102     0.00082     Branch point: Before Computation     4
0.04185     0.00054     Computation point: After Submit     4
0.04239     0.00079     Tabs: Perform Branching for Tab Requests     4
0.04317     0.00065     Branch point: Before Validation     4
0.04382     0.00111     Validations:     4
0.04493     0.00165     Perform basic and predefined validations:     4
0.04658     0.00070     Perform custom validations:     4
0.04728     0.00054     Branch point: Before Processing     4
0.04782     0.00057     Processes - point: AFTER_SUBMIT     4
0.04839     0.00054     Branch point: After Processing     4
0.04893     0.00096     ...Evaluating Branch: AFTER_PROCESSING type: "REDIRECT_URL" button: (No Button Pressed) branch: (Unconditional)     4
0.04989     0.00071     Stop APEX Engine detected     4
0.05059     0.00055     Stop APEX Engine detected     4
0.05114     0.00122     Final commit     4
0.05236     -     End Page Processing

Generic report query that will work against common table ..

Context
We have a custom audit log scheme that inserts all table changes into a backing table via triggers. For example, an insert into table ORDER would cause a insert into ORDER_AUD.
Problem
We want to build a generic report query that will work against any audit table.
While constructing a report query for a class that uses inheritance, we see TopLink? add an extra where-clause.
We are required to set the ReferenceClass? for the query, however, the tables we are querying are not mapped to TopLink?. We just want to map the query results to objects of the Reference Class.
The extra where-clause specifies the table of the Reference Class, but since that table is not in the From clause, the query doesn't work.
The ReportQuery? in Question
public DatabaseQuery loadAuditHistory(Class cls, String audTableName ) {
String emanAuditTableName = "eman_audit";
ExpressionBuilder expressionBuilder = new ExpressionBuilder();
Expression exp = expressionBuilder.getTable(audTableName)
.getField("instance_id")
.equal(expressionBuilder.getParameter("instanceId"))
.and(expressionBuilder.getTable(audTableName).getField("audit_id")
.equal(expressionBuilder.getTable(emanAuditTableName).getField("audit_id")));
ReportQuery query = new ReportQuery(expressionBuilder);
query.setReferenceClass(cls);
query.setSelectionCriteria(exp);
query.addArgument("instanceId");
query.addAttribute("Changed By", expressionBuilder.getTable(emanAuditTableName).getField("audit_user"));
query.addAttribute("Host", expressionBuilder.getTable(emanAuditTableName).getField("audit_host"));
query.addAttribute("UTC Timestamp", expressionBuilder.getTable(emanAuditTableName).getField("audit_utc_timestamp"));
query.addAttribute("Action", expressionBuilder.getTable(audTableName).getField("table_action_code"));
Descriptor orderDescriptor = session.getDescriptor(cls);
Vector mappings = orderDescriptor.getMappings();
for (Iterator iter = mappings.iterator(); iter.hasNext();) {
Object element = (Object) iter.next();
if (element instanceof DirectToFieldMapping) {
DirectToFieldMapping mapping = (DirectToFieldMapping)element;
DatabaseField field = mapping.getField();
String tableName = field.getTableName();
String fieldName = field.getName();
query.addAttribute(fieldName, expressionBuilder.getTable(audTableName).getField(fieldName));
Expression version = expressionBuilder.getTable(audTableName).getField("version_id");
query.addOrdering(version.descending());
query.setName(GET_AUDIT_HISTORY);
return query;
Code Generated by the ReportQuery?
SELECT t0.audit_user, t0.audit_host, t0.audit_utc_timestamp,
t1.table_action_code, t1.INSTANCE_ID, t1.STATUS,
t1.REQUESTER, t1.DESCRIPTION, t1.RECIPIENT
FROM eman_audit t0, example_order_aud t1
WHERE (((t1.instance_id = 60432)
AND (t1.audit_id = t0.audit_id))
AND (EXAMPLE_ORDER.CLASS_NAME = 'eman.infra.toplink.example.project.model.Order'))
ORDER BY t1.version_id DESC
Descriptor used to Map Oder.class
public Descriptor buildOrderItemDescriptor() {
Descriptor descriptor = new Descriptor();
descriptor.setJavaClass(eman.infra.toplink.example.project.model.OrderItem.class);
descriptor.addTableName("ORDERITEM");
descriptor.addPrimaryKeyFieldName("ORDERITEM.INSTANCE_ID");
// Inheritance properties.
descriptor.getInheritancePolicy().setClassIndicatorFieldName("ORDERITEM.CLASS_NAME");
descriptor.getInheritancePolicy().useClassNameAsIndicator();
// Descriptor properties.
descriptor.useSoftCacheWeakIdentityMap();
descriptor.setIdentityMapSize(100);
descriptor.useRemoteSoftCacheWeakIdentityMap();
descriptor.setRemoteIdentityMapSize(100);
descriptor.setSequenceNumberFieldName("ORDERITEM.INSTANCE_ID");
descriptor.setSequenceNumberName("CIM_ID");
VersionLockingPolicy lockingPolicy = new VersionLockingPolicy();
lockingPolicy.setWriteLockFieldName("ORDERITEM.VERSION_ID");
descriptor.setOptimisticLockingPolicy(lockingPolicy);
descriptor.setAlias("OrderItem");
// Query manager.
descriptor.getQueryManager().checkCacheForDoesExist();
//Named Queries
// Event manager.
// Mappings.
DirectToFieldMapping instanceIdMapping = new DirectToFieldMapping();
instanceIdMapping.setAttributeName("instanceId");
instanceIdMapping.setFieldName("ORDERITEM.INSTANCE_ID");
descriptor.addMapping(instanceIdMapping);
DirectToFieldMapping ItemNumberMapping = new DirectToFieldMapping();
ItemNumberMapping.setAttributeName("ItemNumber");
ItemNumberMapping.setFieldName("ORDERITEM.ITEM_NUMBER");
descriptor.addMapping(ItemNumberMapping);
DirectToFieldMapping QuantityMapping = new DirectToFieldMapping();
QuantityMapping.setAttributeName("Quantity");
QuantityMapping.setFieldName("ORDERITEM.QUANTITY");
descriptor.addMapping(QuantityMapping);
OneToOneMapping orderMapping = new OneToOneMapping();
orderMapping.setAttributeName("order");
orderMapping.setReferenceClass(eman.infra.toplink.example.project.model.Order.class);
orderMapping.setRelationshipPartnerAttributeName("orderItems");
orderMapping.dontUseIndirection();
orderMapping.addForeignKeyFieldName("ORDERITEM.ORDER_ID", "EXAMPLE_ORDER.INSTANCE_ID");
descriptor.addMapping(orderMapping);
return descriptor;

I'm am very confused as to what you are trying to do, are you trying to query Order objects from the ORDER_AUD historical table instead of the table that the class is mapped to?
TopLink 10.1.3 (DP3) has built in support for historization, you may wish to investigate this support to allow historical querying of your audit tables.
In general you cannot use a ReportQuery to do this, a ReportQuery is for querying data from objects based on an object-level criteria. I think that you want to query objects, but just using different SQL than the descriptors are mapped to.
You could do this through a custom SQL read query,
i.e.
ReadAllQuery query = new ReadAllQuery(Order.class);
query.setSQLString("Select * from ORDER_AUD where INSTANCE_ID = #id");
query.addArgument("id");
Vector argumentValues = new Vector(1);
argumentValues.add(id);
List objects = (List) session.executeQuery(query, argumentValues);
As long as the field names in the audit and the original table matched this would work. However if this is a historical table, then I would guess that there might be multiple objects with the same id, so querying these historical objects could confuse the TopLink cache. You could set dontMaintainCache() on the query to avoid this.
In general you would probably be much better off having two sessions, one with the descriptors mapped to the normal tables, and one with the descriptors mapped to the audit tables. Then you would be able to query both using regular object-level queries.

Report Query Problem/Question

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