Comparing 2 SQL queries in TOAD

Hi,
Is there any way to compare 2 sql queries using TOAD?
I.e. if there are 2 sql queries and i want to know where exactly is the difference in the queries, then is it possible to know using TOAD?
Thanks in advance
--kumar

Oracle has more than enough on its plate dealing with its existing product line and integrating the product suites.
There is no real need to use thrid party tools.
Re: Oracle Third Party Tools and Oracle Database
Adith

Similar Messages

How to get the SQL queries based on SQL_ID.

Hi Experts,
I want to get the SQL queries based on SQL_ID.
I have tried the following query,but I am not getting full query.
[code]SET linesize 132 pagesize 999
column sql_fulltext format a60 word_wrap
break on sql_text skip 1
SELECT   REPLACE (TRANSLATE (sql_text, '0123456789', '999999999'), '9', ''),sql_id
FROM   dba_hist_sqltext s
WHERE   s.sql_id = '7tvurftg8zryb';[/code]
One of my friend said use grid to get full query text.
Can you please help me how to use grid ,else any other method to get the full query based on SQL_ID.
Please help me.
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You have these many options to set, if sql_text is really huge. But better use a tool(TOAD) as it's really helpful and easy to use instead! (See my previous comment).
column sql_text format A10000
set echo off
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Developing portlets for dummies (sql queries)

Hello, I've been trying to build a dynamic menu. First I went with just plain old plsql: i created a function in the portal schema that returns an unordered, nested list of the pages in my pagegroup and called that function in a regular pl/sql item on my portal page. I did this by querying the wwpob_page$ table and that went just great in my test&development setup (of which I am the admin of course :))
Then I realized that since I'm not an administrator of the server hosting our portal and I only have very limited privileges (I am only a page group administrator) I will probably not be allowed to utilize this function nor will they agree to install it in the portal schema, and I decided I should build a portlet that does the same thing (so it can be registered and so on, and so it can use the synonyms and tools that are available to registered providers). There already is such a portlet (and provider) registered for use in the target portal, but I don't like it because i uses tables and hard-coded styles so I will cook my own, better version. :)
So I downloaded an example portlet and am getting the hang of it, but now I just can't for the life of me figure out how to enable any sql-queries. I have run the provsyns-.sql script, logged in as test_provider/portal and installed my portlet-package as test_provider user. I can see the available pl/sql packages in Toad, but there are no tables or views for me to to see. That means I can't query the portal tables that I need to.
edit: ok, stupid user error; I suck at using Toad, so I was looking at the wrong schema altogether :D So now i see the public views and packages, so forget that bit of the question.
But still, I cannot see even wwsbr_all_folders -view, much less the wwpob_page$ -table. I cannot see any way to find the pages that are in my page group. Somehow it must be doable, right?
Have I done something wrong, missed a step in enabling my test-provider / schema perhaps? I don't really know what I'm doing, but I followed instructions here: http://home.c2i.net/toreingolf/oracle/portal/my_first_plsql_portlet.htm (excellent instructions, thanks!)
So should my portlet be able to access those tables or not? How the heck has the third partly portlet maker done it?
i'm on OracleAS Portal 10g Release 2 (10.1.4)
Edited by: Baguette on 23-Apr-2009 05:13
Edited by: Baguette on 23-Apr-2009 05:32

i see your perspective now. and let me give a perspective to my first reply too.
what i proposed to you was the answer of what i quoted in the message. that is, why didn't you see those views in the new schema you created! and it is still ok but it is done in the portal schema for which you should have privielges too and i assumed you had. my mistake!
now, i can relate your privacy concerns with your earlier message:
Hello, I've been trying to build a dynamic menu. First I went with just plain old plsql: i created a function in the portal schema that returns an unordered, nested list of the pages in my pagegroup and called that function in a regular pl/sql item on my portal page. I did this by querying the wwpob_page$ table and that went just great in my test&development setup (of which I am the admin of course :))
+Then I realized that since I'm not an administrator of the server hosting our portal and I only have very limited privileges (I am only a page group administrator) I will probably not be allowed to utilize this function nor will they agree to install it in the portal schema, and I decided I should build a portlet that does the same thing (so it can be registered and so on, and so it can use the synonyms and tools that are available to registered providers). There already is such a portlet (and provider) registered for use in the target portal, but I don't like it because i uses tables and hard-coded styles so I will cook my own, better version. :)+
+So I downloaded an example portlet and am getting the hang of it, but now I just can't for the life of me figure out how to enable any sql-queries. I have run the provsyns-.sql script, logged in as test_provider/portal and installed my portlet-package as test_provider user. I can see the available pl/sql packages in Toad, but there are no tables or views for me to to see. That means I can't query the portal tables that I need to.+
- by downloading an example portlet, you probably mean you created a new schema. because provsyns work on a schema.
- if you are not the administrator of the portal, and may not be able to access some portions of the portal, it means that you do not use the portal user (the user which serves as the owner of the portal schema).
- now, your plan to create a new schema and give those privielges would still not work. because, by creating a new schema you cannot sneak in to the oriignal portal schema if you do not have privileges to do it. obvious, right? otherwise, it would be a vulnerability of the software that you can see what you are not allowed to see by creating a new schema.
- however, there is a bright side here. the views give records based on your privileges.
- so if your administrators have generated them already or if they generate on the original portal schema, then you may see the pages and items that you have privileges to see and no more.
so now, you may ask the administrators if they have already done it, and if not, then if they would be willing to do it.
hope that helps!
AMN

[DW 8.02 + PHP] how to use variables in advanced SQL queries

Hi all,
I can't find a way to use variables in an SQL query after
updating
dreamweaver 8.02.
I always get error messages that says: 'missing variable
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What is the correct way to use variables?
I usually set a variable in a PHP statement (example: <?
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What is the correct syntax for variable in DW 8.02 in
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TIA
tony

sweetman wrote:
> I'm editing a website created with DW 8.01 and MX
Kollection.
>
> I updated DW to 8.02 and now I can't edit an existing
SQL query.
> I always get an error message 'Missing variable type'
and I can't go
> on.
InterAKT released a new version of Kollection to cope with
the 8.0.2
changes. AFAIK, you should be able to download the updated
version from
your InterAKT account area.
David Powers, Adobe Community Expert
Author, "Foundation PHP for Dreamweaver 8" (friends of ED)
Author, "PHP Solutions" (friends of ED)
http://foundationphp.com/

Erratic Report Region Behavior with Dynamic SQL Queries

I'm running HTMLDB v 1.5.1.00.12 and I've noticed some odd behavior with report regions using dynamic SQL queries. Every so often, our testers will run a page containing a dynamic sql report region and get the following error, (despite the fact the query was working only moments ago and no other developer has touched it):
ORA-06502: PL/SQL: numeric or value error: character string buffer too small
or sometimes
failed to parse SQL query:ORA-01403: no data found
The only solution I've found so far is to:
1) Make a copy of the failed report region.
2) Disable or delete the original failed report region.
The new copy of the report region runs without issue.
My search of the forums turned up the following two threads, but neither provided me with a clear explanation of the cause, and how to avoid it:
ORA-06502:PL/SQL: numeric or value error: character string buffer too small
Re: Import Export Error (ORA-06502)
The columns being returned are below the 4000 character limit, and the rows being returned are far less than 32k in size.
Could this have anything to do with the way HTMLDB is internally storing the PL/SQL used to generate the dynamic SQL Query? Is there any known issue related to this with that version of HTMLDB?
This problem occurs without any discernable pattern or consistency, making it hard to determine where I should focus my efforts in tracking down the cause.

Hi all,
My report seems to be behaving correctly once i set it to "Use Generic Column Names (parse query at runtime only)" :)
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Error while running the sql queries in unix as cron job..

Hi,
I've configured some sql queries to run as cronjob from unix,i'm able to excute all the sql queries with out any error,after all the queries are executed,I'm getting the following error message.
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How to avoid this error?
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Are you running these queries through TopLink?
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Need help in SQL Queries using GUI controls or variables

Hello, all
I have a big problem (I have already had with Visual Basic a few mounths ago) with Java while writing my SQL Queries.
I would like to know how I must do to use variable data or GUI control data in my SQL Query to select only some records.
Here, my first Query that works without any problem (no WHERE clause !!!) :
Statement requeteBedes = connectBedes.createStatement();
ResultSet resultatSeries = requeteBedes.executeQuery("SELECT * FROM Series");
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Here comes my problem.I would like to use the value of the selected "series" in the JComboBox to search in another table of the same Database. I made another statement but it returns a Null ResultSet :
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Could some one help me and tell me how I must use variables or GUI controls values in my SQL Queries or tell me if there is a place where I could find an explanation of that kind of problems (like more "advanced SQL Queries", as the ones currently used in all the Learning Java 2 books)
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executeQuery() will never return null. At least that's what the spec says. You are probably catching an exception (probably a syntax error caused by a single quote in strComboBoxSeriesSelected) and ignoring it. Or do you mean the ResultSet contains no rows?
Anyway, to use parameterized queries, take a look at PreparedStatements. Your code should look like this using PreparedStatement:Statement requeteBedes = connectBedes.prepareStatement("SELECT * FROM bandes_dess WHERE ser_nom = ?");
requeteBedes.setString(1, strComboBoxSeriesSelected);
ResultSet resultatSeries = requeteBedes.executeQuery();Alin.

Ruby code for sql queries

Hello everybody,
First off, let me apologize if my inquiry does not belong on this forum. I am confident however, that someone here has had experience with this since Oracle and ruby on rails/ruby are used frequently. My fingers are crossed, here's is my problem:
I am currently working on a database system that utilizes ruby on rails
with a oracle database. Here's the situation:
the ruby on rails web application is up and running;
my oracle database is full of tables that are populated with data;
there is a successful connection between rails and my oracle database;
however, what isn't finished is I currently have data mining queries in
sql (eg. find minimum time someone has been employed = "Select
min(time) from table...etc") and what I need to do is write one ruby
program for each of my sql queries so that the ruby program:
1) connects to the oracle database each time the query is called
2) runs the sql query on the oracle database
3) takes the results from the query and returns them in an array or
something of that nature (so that I can use the results in an html file
on the ruby on rails web application).
Again, I apologize if this question does not belong on this forum. If someone however has experience with this could you please give me example code of what this would look like (using different sql queries). Thank you

I apologize if this question does not belong on this forum. OTN does have a forum dedicated to Ruby/Ruby On Rails. I admit it doesn't seem to get much traffic. I think that's because most people working with Ruby tend to go for F/OSS products.
Cheers, APC
Blog : http://radiofreetooting.blogspot.com/

SQL queries parser.

Hello,
I have quite strange question related to my research.
Probabley within Oracle DB there is some dynamic library which is parsing SQL queries,
for example.
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When this construction is valid ( SQL standard ) the next step is verification the object existence in DB. It means
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I need only first part of that process, which will give me informations about all object used in SQL query
is it possible to accomodate that internal parser witin stand alone middleware like Weblogic Event Server ?
I can do it with regular expression patters, but it's not going to be fast and effective for subqueries and all advanced
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Thank You,
R.

>
http://search.cpan.org/~rehsack/SQL-Statement-1.23/lib/SQL/Statement.pm
BUGS AND LIMITATIONS ^
* currently we treat NULL and '' as the same - eventually fix
* No nested C-style comments allowed as SQL99 says
>
That's the reason why I want to use dedicated for 11g EE library ;-)
Thanks for quick reply

? in SQL Queries and not using prepared statements

Using EclipseLink 1.1.1
Prepared Statements are disabled
In our production server something went wrong and one of our Read Queries started erroring. A DatabaseException was thrown and we log the "getQuery.getSQLString()" statement. We found this query in the logs:
SELECT t1.ID, t1.NAME, t1.DESCRIPTION, t1.EXTREFID, t1.STYLESHEET, t1.DDSVNVERSION, t1.FIRSTNAME, t1.LASTNAME, t1.EMAILADDR, t1.PHONENUMBER, t1.ADDRESS, t1.ADDRESS2, t1.CITY, t1.STATE, t1.POSTALCODE, t1.COUNTRY, t1.ADMINACCTNAME, t1.HASDOCUMENTS, t1.HASTIMEDNOTIFICATIONS, t1.STATUS, t1.ENTRYDATE, t1.EVALEXPDATE, t1.LASTREMINDDATE, t1.FULLUSERS, t1.LIMUSERS, t1.REQUSERS, t1.ISENTERPRISE, t1.EXPDATE, t1.ISDISABLED, t1.DISABLEDDATE, t1.NEEDLICENSEAGREEMENT, t1.ISWARNINGDISABLED, t1.LOCALE, t1.TIMEZONE, t1.CURRENCY, t1.DOMAIN, t1.DOCUMENTSIZE, t1.EXTRADOCUMENTSTORAGE, t1.ONDEMANDOPTIONS, t1.SSOTYPE, t1.RESELLERID, t1.ACCOUNTREPID, t1.LASTUSAGEREPORTDATE, t1.NEXTUSAGEREPORTDATE, t1.USAGEREPORTATTEMPTS FROM T_SSOOPTIONS t0, T_CUSTOMERS t1 WHERE *((((t0.SSOENABLED = ?) AND (t1.SSOTYPE IN (?, ?))) AND (UPPER(t1.DOMAIN) = ?)) AND (t0.CUSTOMERID = t1.ID))*
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Database error due to invalid SQL statement.
I don't have a stack, we were catching the exception and not printing the stack :(
Like I mentioned in my first post, I added more debugging code (e.printStackTrace()). I understand this is hard to track down without more information. I was just hoping you guys had seen something like this before and had any insight. Like I mentioned before: this is on our production server. I've never seen this type of error before. That particular server (we run in a cluster mode) had been up for several days and then started generating that error. IT bounced the node and everything went back to normal. We have been using toplink for about 5 years now and have never seen this problem, until August 3rd 2009. The only thing that has changed recently is our migration from toplink 10 to EclipseLink. I was wondering if anyone knows if anything had changed in EclipseLink/toplink 11 with the generation of SQL queries.
I'll keep looking. There is more debugging code in there now. Since the error was "Database error due to invalid SQL statement" this implies the SQL was generated, exited that part of the code and was sent to the db where it failed. I'm afraid the printStackTrace won't help if this error happens again.

Comparing SQL Data Results with CSV file contents

I have the following scenario that I need to resolve and I'm unsure of how to approach it. Let me explain what I am needing and what I have currently done.
I've created an application that automatically marks assessments that delegates complete by comparing SQL Data to CSV file data. I'm using C# to build the objects required that will load the data from SQL into a dataset which is then compared to the
associated CSV file that contains the required results to mark against.
Currently everything is working as expected but I've noticed that if there is a difference in the number of rows returned into the SQL-based dataset, then my application doesn't mark the items at all.
Here is an example:
ScenarioCSV contains 4 rows with 8 columns of information, however, let's say that the delegate was only able to insert 2 rows of data into the dataset. When this happens it marks everything wrong because row 1 in both CSV and dataset files were correct,
however, row 2 in the dataset holds the results found in row 4 in the CSV file and because of this it is comparing it against row 2 in the CSV file.
How can I check whether a row, regardless of its order, can be marked as it does exist but not in the same order, so I don't want the delegate to lose marks just because the row data in the dataset is not perfectly in the same order of the row data
in the CSV file???
I'm at a loss and any assistance will be of huge help to me. I have implemented a ORDER BY clause in the dataset and ensured that the same order is set in the CSV file. This has helped me for scenarios where there are the right number of rows in the dataset,
but as soon as there is 1 row that is missing in the dataset, then the marking just doesn't allow for any marks for both rows even if the data is correct.
I hope I've made sense!! If not, let me know and I will provide a better description and perhaps examples of the dataset data and the csv data that is being compared.
Thanks in advance....

I would read the CSV into a datatable using oledb. Below is code I wrote a few weeks ago to do this.
Then you can compare two datatables by a common primary key (like ID number)
Below is the webpage to compare two datatables
http://stackoverflow.com/questions/10984453/compare-two-datatables-for-differences-in-c
You can find lots of examples by perform following google search
"c# linq compare two dattatable"
//Creates a CSVReader Class
public class CSVReader
public DataSet ReadCSVFile(string fullPath, bool headerRow)
string path = fullPath.Substring(0, fullPath.LastIndexOf("\\") + 1);
string filename = fullPath.Substring(fullPath.LastIndexOf("\\") + 1);
DataSet ds = new DataSet();
try
if (File.Exists(fullPath))
string ConStr = string.Format("Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0}" + ";Extended Properties=\"Text;HDR={1};FMT=Delimited\\\"", path, headerRow ? "Yes" : "No");
string SQL = string.Format("SELECT * FROM {0}", filename);
OleDbDataAdapter adapter = new OleDbDataAdapter(SQL, ConStr);
adapter.Fill(ds, "TextFile");
ds.Tables[0].TableName = "Table1";
foreach (DataColumn col in ds.Tables["Table1"].Columns)
col.ColumnName = col.ColumnName.Replace(" ", "_");
catch (Exception ex)
MessageBox.Show(ex.Message);
return ds;
jdweng

SQL queries in JSP

Does anyone know how to create a JSP which allows the user to input data into a simple database and then allow the user to input SQL queries? I can do this in a servlet but must hard code the query. It would be great to be able to type in differnet queries to see the results.
Thanks
Michael

hai,
I am giving u a small example which allows user to enter data in the html page and the same is submitted by the Jsp page in the database.
<%@ page language="java" import="java.sql.*" %>
<html>
<body bgcolor="#FFd08d" >
<%!     Connection conn;
     Statement st,st1;
     ResultSet rs,rs1;
     int i,j;
%>
<%
     try{
          Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
          conn=DriverManager.getConnection("jdbc:odbc:--DSNName--","--DataBaseUserName--","--DataBasePassword--");
     catch(Exception e)
%>
     Error in Saving : <%=e%>
<%
     try
     String email_address=request.getParameter("email_address");
     String query_text=request.getParameter("query_text");
     PreparedStatement st=null;
     String inst="insert into databasename..DataBaseTableName(email_address,query_text) values (?,?)";
     st=conn.prepareStatement(inst);
     st.setString(1,email_address);
     st.setString(2,query_text);
     st.executeUpdate();
     conn.close();
%>
Your query is Submitted.<br>
Thanks.
<%
     catch(SQLException e)
%>
Error in Saving : <%=e%>
<%
%>
</body>
</html>
I think this will solve ur query.
bye
sameer

Install Oracle XE, SQL Developer, and Toad on the same machine?

I have been trying to install Oracle SQL Developer, Toad, and Oracle Express on my work computer. Installing SQL Developer and Toad was pretty straightforward, and I was able to browse the XE database with SQL Developer. But after installing Toad, problems started. Toad was using Oracle XE's registry settings to locate ORACLE_HOME and oci.dll. So I tried changing the settings for Oracle XE in the registry. Toad now works, but not Oracle XE. And while I was going through this all, I even had a time when I had Toad and oracle xe working, but not SQL Developer. It almost looks like you can choose two of the products, but not all three.
So, my question to the community at large is "Can it be done?". In what directories do you have each product installed? What environment variables do you have set? Where is your tnsnames.ora? What Oracle registry settings do you have set (namely HKLM\SOFTWARE\Wow6432Node\ORACLE\KEY_XE)?
I can post my current settings, but I've been through so many iterations that these current settings don't really matter that much.
Here are the details I am looking for
Path to sqldeveloper.exe
Path to oracle.exe (for Oracle XE)
Environment Variables
ORACLE_HOME
ORACLE_BASE
TNS_ADMIN
PATH (just the oracle stuff)
Registry Settings
HKLM\SOFTWARE\Wow6432Node\ORACLE\KEY_XE\ORACLE_HOME
HKLM\SOFTWARE\Wow6432Node\ORACLE\KEY_XE\ORACLE_BASE
HKLM\SOFTWARE\Wow6432Node\ORACLE\KEY_XE\TNS_ADMIN
HKLM\SOFTWARE\Wow6432Node\ORACLE\KEY_XE\OLEDB
HKLM\SOFTWARE\Wow6432Node\ORACLE\KEY_XE\ORAMTS_CP_TRACE_DIR

I don't use toad, but there should be no reason why you can't install all 3. SQL Developer is a very clean install and affects nothing else. It doesn't add to the path, or create any registry entries except for file associations.
A toad installation should pick up your oracle client (in this case the XE code). I am curious as to why you felt you had to change registry settings. What problem were you trying to fix?
My recommendation would be to uninstall everything, clean the registry and reinstall in the order XE, Toad, SQL Developer. Test in between installations and seek help for problems as you find them. Bear in mind that this is the forum for SQL Developer. QUestions about Oracle XE would be better answered in the dedicated forum, or in the Installation forum, and questions about Toad in a toad forum.

Multiple SQL Queries in SAP BPC 5.1 EVMODIFY

Hi All,
We have multiple SQL Queries in Outlooksoft 4.2 which extracts data from Oracle source system with different set of selections and conditions and parameters. We were able to use multiple SQL Queries in Outlooksoft 4.2 using Transform Data Flow Task and paste parameters using evModify dynamic script task, where ever extract to source system is needed.
According to SAP BPC 5.1, all these multiple SQL Queries and extracts by passing parameters will be coded in EVMODIFY dynamic script editor.But, EVMODIFY dynamic script editor is not working with the sets of multiple SQL Queris.It's able to recognize and execute the first SQL Query, but not able to execute from the second SQL Query.
Does any body, did multiple extracts using SQL Queries to the source system by passing parameters using SAP BPC 5.1 data manager and SSIS Packages, please let me know, how you did achieve the above functionality.
Regards,
Sreekanth.

Hi Sorin,
Thanks for your update, I tried declaring the variable between %%....GLOBAL(%GTIMEID%,%SELECTION%) and the package runs now but the problem is that the package is executed using the default date value for the variable GTIMEID declared in the DTSX package and its not taken the date that I'm trying to pass from BPC. As showed below, please if you could take a look to the ModifyScript and see the last line for the global variable and line 13 PROMTP(SELECTINPUT,%SELECTION%,,,%TIME_DIM%) where I am selecting the TIMEID:
DEBUG(ON)
PROMPT(INFILES,,"Import file:",)
PROMPT(TRANSFORMATION,%TRANSFORMATION%,"Transformation file:",,,Import.xls)
PROMPT(RADIOBUTTON,%CLEARDATA%,"Select the method for importing the data from the source file to the destination database",0,{"Merge data values (Imports all records, leaving all remaining records in the destination intact)","Replace && clear data values (Clears the data values for any existing records that mirror each entity/category/time combination defined in the source, then imports the source records)"},{"0","1"})
PROMPT(RADIOBUTTON,%RUNLOGIC%,"Select whether to run default logic for stored values after importing",1,{"Yes","No"},{"1","0"})
PROMPT(RADIOBUTTON,%CHECKLCK%,"Select whether to check work status settings when importing data.",1,{"Yes, check for work status settings before importing","No, do not check work status settings"},{"1","0"})
INFO(%TEMPFILE%,%TEMPPATH%%RANDOMFILE%)
PROMPT(SELECTINPUT,%SELECTION%,,,%TIME_DIM%)
TASK(CONVERT Task,INPUTFILE,%FILE%)
TASK(CONVERT Task,OUTPUTFILE,%TEMPFILE%)
TASK(CONVERT Task,CONVERSIONFILE,%TRANSFORMATION%)
TASK(CONVERT Task,STRAPPSET,%APPSET%)
TASK(CONVERT Task,STRAPP,%APP%)
TASK(CONVERT Task,STRUSERNAME,%USER%)
TASK(Dumpload Task,APPSET,%APPSET%)
TASK(Dumpload Task,APP,%APP%)
TASK(Dumpload Task,USER,%USER%)
TASK(Dumpload Task,DATATRANSFERMODE,1)
TASK(Dumpload Task,CLEARDATA,1)
TASK(Dumpload Task,FILE,%TEMPFILE%)
TASK(Dumpload Task,RUNTHELOGIC,1)
TASK(Dumpload Task,CHECKLCK,1)
GLOBAL(%GTIMEID%,%SELECTION%)
Do you guess That I am missing something?
Thanks in advanced
Regards

How to use database control to execute sql queries which change at run time

Hi all,
I need to execute sql queries using database controls , where the sql changes
at run time
based on some condition. For eg. based on the condition , I can add some where
condition.
Eg. sql = select id,name from emp where id = ?.
based on some condition , I can add the following condition .
and location = ?.
Have anybody had this kind of situation.
thanks,
sathish

From the perspective of the database control, you've got two options:
1) use the sql: keyword to do parameter substitution. Your observation
about {foo} style sbustitution is correct -- this is like using a
PreparedStatement. To do substitution into the rest of the SQL
statement, you can use the {sql: foo} substitution syntax which was
undocumented in GA but is documented in SP2. Then, you can build up
the filter clause String yourself in a JPF / JWS / etc and pass it into
the DB control.
For example:
* @jc:sql statement="select * from product {sql: filter}"
public Product[] getProducts(String filter) throws SQLException;
This will substitute the String filter directly into the statement that
is executed. The filter string could be null, "", "WHERE ID=12345", etc.
2) you can use the DatabaseFilter object to build up a set of custom
sorts and filters and pass that object into the DB control method.
There have been other posts here about doing this, look for the subject
"DatabaseFilter example".
Hope that helps...
Eddie
Dan Hayes wrote:
"Sathish Venkatesan" <[email protected]> wrote:
Hi Maruthi,
The parameter substituion , I guess is used like setting the values for
prepared
statements.
What I'm trying to do , is change the sql at run time based on some condition.
For example ,
consider the following query :
select col1,col2 from table t where t.col3 > 1
At run time , based on some condition , I need to add one more and condition.
i.e. select col1,col2 from table t where t.col3 > 1 and t.col4 < 10.
This MAY not address your issue but if you are trying to add "optional" parameters
you may try including ALL the possible parameters in the SQL but send in null
for those params that you don't want to filter on in any particular case. Then,
if you word your query
as follows:
select col1, col2 from table t where t.col3 > 1 and (t.col4 = {col4param} or
{col4param} is null) and (t.col5 = {col5param} or {col5param} is null) ...
you will get "dynamic" filters. In other words, col4 and col5 will only be
filtered if you send in non-null parameters for those arguments.
I have not tried this in a WL Workshop database control but I've used
this strategy dozens of times in stored procedures or jdbc prepared statements.
Good luck,
Dan

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