PL/SQL region query issue
Dears;
I'm in trouble for a moment with my PL/sql block in a region.
Could you take a look on the following block and tell me what i do wrong?
DECLARE
v_counter INTEGER := 0;
v_line VARCHAR2 (4000);
v_rec_in_row INTEGER := 12;
lpar varchar2(50;
BEGIN
HTP.prn ('< table > ');
HTP.prn ('< tr > ');
HTP.prn ('< td > ');
lpar:=v('P48_LVAR')
CASE lpar
WHEN 'SERVERS'
THEN
FOR c IN
( SELECT CASE
WHEN SERVER_MARK='SUN'
THEN '< table > '
|| '< tr > < td > < a href="#WORKSPACE_IMAGES#New Image.GIF" > < img src="#WORKSPACE_IMAGES#New Image.GIF"/ > < /td > < /tr > '
|| '< tr > < td style="text-align:center" > < h1 > '
|| SERVER_NAME
|| '< / > < /td > < /tr > < /a > < /table > '
WHEN SERVER_MARK='HP'
THEN '< table > '
|| '< tr > < td > < a href="#WORKSPACE_IMAGES#New Image.GIF" > < img src="#WORKSPACE_IMAGES#hp.GIF"/ > < /td > < /tr > '
|| '< tr > < td style="text-align:center" > < h1 > '
|| SERVER_NAME
|| '< / > < /td > < /tr > < /a > < /table > '
END emp
FROM SERVERS)
LOOP
v_line := v_line || c.emp || '< /td > < td > ';
v_counter := v_counter + 1;
IF v_counter = v_rec_in_row
THEN
HTP.prn (v_line);
HTP.prn ('< /td > < /tr > < tr > < td > ');
v_line := NULL;
v_counter := 0;
END IF;
END LOOP;
HTP.prn (v_line);
HTP.prn ('< /td > < /tr > < /table > ');
WHEN 'ZONES'
THEN
FOR c IN
( SELECT '< table > '
|| '< tr > < td > < a href="#WORKSPACE_IMAGES#New Image.GIF" > < img src="#WORKSPACE_IMAGES#New Image.GIF"/ > < /td > < /tr > '
|| '< tr > < td style="text-align:center" > < h1 > '
|| ZONE_NAME
|| '< / > < /td > < /tr > < /a > < /table > '
END emp
FROM ZONES)
LOOP
v_line := v_line || c.emp || '< /td > < td > ';
v_counter := v_counter + 1;
IF v_counter = v_rec_in_row
THEN
HTP.prn (v_line);
HTP.prn ('< /td > < /tr > < tr > < td > ');
v_line := NULL;
v_counter := 0;
END IF;
END LOOP;
HTP.prn (v_line);
HTP.prn ('< /td > < /tr > < /table > ');
WHEN 'ALIAS'
THEN
FOR c IN
( SELECT
'< table > '
|| '< tr > < td > < a href="#WORKSPACE_IMAGES#New Image.GIF" > < img src="#WORKSPACE_IMAGES#New Image.GIF"/ > < /td > < /tr > '
|| '< tr > < td style="text-align:center" > < h1 > '
|| ALIAS_NAME
|| '< / > < /td > < /tr > < /a > < /table > '
END emp
FROM ALIAS)
LOOP
v_line := v_line || c.emp || '< /td > < td > ';
v_counter := v_counter + 1;
IF v_counter = v_rec_in_row
THEN
HTP.prn (v_line);
HTP.prn ('< /td > < /tr > < tr > < td > ');
v_line := NULL;
v_counter := 0;
END IF;
END LOOP;
HTP.prn (v_line);
HTP.prn ('< /td > < /tr > < /table > ');
WHEN 'FS'
THEN
FOR c IN
( SELECT
'< table > '
|| '< tr > < td > < a href="#WORKSPACE_IMAGES#New Image.GIF" > < img src="#WORKSPACE_IMAGES#New Image.GIF"/ > < /td > < /tr > '
|| '< tr > < td style="text-align:center" > < h1 > '
|| FS_NAME
|| '< / > < /td > < /tr > < /a > < /table > '
END emp
FROM FS
LOOP
v_line := v_line || c.emp || '< /td > < td > ';
v_counter := v_counter + 1;
IF v_counter = v_rec_in_row
THEN
HTP.prn (v_line);
HTP.prn ('< /td > < /tr > < tr > < td > ');
v_line := NULL;
v_counter := 0;
END IF;
END LOOP;
HTP.prn (v_line);
HTP.prn ('< /td > < /tr > < /table > ');
END CASE;
END;
I get this error :
1 error has occurred
ORA-06550: line 56, column 21: PL/SQL: ORA-00923: FROM keyword not found where expected ORA-06550: line 51, column 7: PL/SQL: SQL Statement ignored ORA-06550: line 83, column 13: PL/SQL: ORA-00923: FROM keyword not found where expected ORA-06550: line 77, column 7: PL/SQL: SQL Statement ignored ORA-06550: line 110, column 12: PL/SQL: ORA-00923: FROM keyword not found where expected ORA-06550: line 104, column 7: PL/SQL: SQL Statement ignored
I know it's a long post but i hope u will take the time to look.
Thx.
Celio
Okay, when using CASE you have to flavours.
One for PL/SQL statements and one in a query.
In PL/SQL the structure is like this:
case n
when 1 then Action1;
when 2 then Action2;
when 3 then Action3;
else ActionOther;
end case;In a query it's like this:
SELECT CASE WHEN (<column_value>= <value>) THEN
WHEN (<column_value> = <value>) THEN
ELSE <value>
END AS <alias>
FROM <table_name>;So rewriting your code, this should work:
DECLARE
v_counter INTEGER := 0;
v_line VARCHAR2 (4000);
v_rec_in_row INTEGER := 12;
lpar varchar2(50);
BEGIN
HTP.prn ('<table>');
HTP.prn ('<tr>');
HTP.prn ('<td>');
lpar:=v('P48_LVAR');
CASE
WHEN lpar='SERVERS'
THEN
FOR c IN
( SELECT CASE
WHEN SERVER_MARK='SUN'
THEN '<table>'
|| '<tr><td><a href="#WORKSPACE_IMAGES#New Image.GIF"><img src="#WORKSPACE_IMAGES#New Image.GIF"/></td></tr>'
|| '<tr><td style="text-align:center"><h1>'
|| SERVER_NAME
|| '</td></tr></a></table>'
WHEN SERVER_MARK='HP'
THEN '<table>'
|| '<tr><td><a href="#WORKSPACE_IMAGES#New Image.GIF"><img src="#WORKSPACE_IMAGES#hp.GIF"/></td></tr>'
|| '<tr><td style="text-align:center"><h1>'
|| SERVER_NAME
|| '</td></tr></a></table>'
END AS emp
FROM SERVERS)
LOOP
v_line := v_line || c.emp || '</td><td>';
v_counter := v_counter + 1;
IF v_counter = v_rec_in_row
THEN
HTP.prn (v_line);
HTP.prn ('</td></tr><tr><td>');
v_line := NULL;
v_counter := 0;
END IF;
END LOOP;
HTP.prn (v_line);
HTP.prn ('</td></tr></table>');
WHEN lpar='ZONES'
THEN
FOR c IN
( SELECT '<table>'
|| '<tr><td><a href="#WORKSPACE_IMAGES#New Image.GIF"><img src="#WORKSPACE_IMAGES#New Image.GIF"/></td></tr>'
|| '<tr><td style="text-align:center"><h1>'
|| ZONE_NAME
|| '</td></tr></a></table>'
emp
FROM ZONES)
LOOP
v_line := v_line || c.emp || '</td><td>';
v_counter := v_counter + 1;
IF v_counter = v_rec_in_row
THEN
HTP.prn (v_line);
HTP.prn ('</td></tr><tr><td>');
v_line := NULL;
v_counter := 0;
END IF;
END LOOP;
HTP.prn (v_line);
HTP.prn ('</td></tr></table>');
WHEN lpar='ALIAS'
THEN
FOR c IN
( SELECT
'<table>'
|| '<tr><td><a href="#WORKSPACE_IMAGES#New Image.GIF"><img src="#WORKSPACE_IMAGES#New Image.GIF"/></td></tr>'
|| '<tr><td style="text-align:center"><h1>'
|| ALIAS_NAME
|| '</td></tr></a></table>'
emp
FROM ALIAS)
LOOP
v_line := v_line || c.emp || '</td><td>';
v_counter := v_counter + 1;
IF v_counter = v_rec_in_row
THEN
HTP.prn (v_line);
HTP.prn ('</td></tr><tr><td>');
v_line := NULL;
v_counter := 0;
END IF;
END LOOP;
HTP.prn (v_line);
HTP.prn ('</td></tr></table>');
WHEN lpar='FS'
THEN
FOR c IN
( SELECT
'<table>'
|| '<tr><td><a href="#WORKSPACE_IMAGES#New Image.GIF"><img src="#WORKSPACE_IMAGES#New Image.GIF"/></td></tr>'
|| '<tr><td style="text-align:center"><h1>'
|| FS_NAME
|| '</td></tr></a></table>'
emp
FROM FS
LOOP
v_line := v_line || c.emp || '</td><td>';
v_counter := v_counter + 1;
IF v_counter = v_rec_in_row
THEN
HTP.prn (v_line);
HTP.prn ('</td></tr><tr><td>');
v_line := NULL;
v_counter := 0;
END IF;
END LOOP;
HTP.prn (v_line);
HTP.prn ('</td></tr></table>');
END CASE;
END;Unless I'm missing something aswell ;-)
Edited by: Michel van Zoest on Oct 6, 2009 10:46 PM
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"Marc Prud'hommeaux" <[email protected]> wrote in message
news:[email protected]...
Ben-
I've made a bug report for this:
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This is being called from a method of a stateless session bean that is
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"Patrick Linskey" <[email protected]> wrote in message
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at
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at kodo.query.AbstractQuery.internalCompile(AbstractQuery.java:545)
atkodo.query.AbstractQuery.getAccessPathMetaDatas(AbstractQuery.java:938)
>>>>
atkodo.query.AbstractQuery.isAccessPathDirty(AbstractQuery.java:745)
at kodo.query.AbstractQuery.executeWithMap(AbstractQuery.java:672)
at kodo.query.AbstractQuery.executeWithArray(AbstractQuery.java:640)
at kodo.query.AbstractQuery.execute(AbstractQuery.java:622)
at
com.metasolv.resources.queries.ChannelAvailabilityQueryBean.execute(ChannelA
>>>>
vailabilityQueryBean.java:84)
at
com.metasolv.oss.inventory.InventorySessionBean.queryInventory(InventorySess
>>>>
ionBean.java:1504)
Oddly, my ra.xml already has the following properties set.
<config-property>
<description>If false, then the JDO implementation mustconsider
modifications, deletions, and additions in the PersistenceManager
transaction cache when executing a query inside a transaction. Else,the
implementation is free to ignore the cache and execute the querydirectly
against the data store.</description>
<config-property-name>IgnoreCache</config-property-name>
<config-property-type>java.lang.Boolean</config-property-type>
<config-property-value>true</config-property-value>
</config-property>
<config-property>
<description>Whether or not Kodo should automatically flush
modifications to the data store before executingqueries.</description>
>>>>>>
<config-property-name>FlushBeforeQueries</config-property-name>
<config-property-type>java.lang.String</config-property-type>
<config-property-value>true</config-property-value>
</config-property>
I also tried explicitly calling ((KodoPersistenceManager)pm).flush()before
newQuery to no avail. I am at a loss how to get the Query to NOT
execute
in-memory.
Ben
"Ben Eng" <[email protected]> wrote in message
news:[email protected]...
I'm very happy to see this feature added to 3.0.0 along with
methodQL.
>>>>>>
This
should alleviate a lot of the issues with trying to use only JDOQL,
especially when the desired SQL statemetn is well understood. Thanks
for
adding this!--
Marc Prud'hommeaux [email protected]
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Render Dynamic PL/SQL region as PDF?
Hi!
I would like to be able to render a Dynamic PL/SQL region as a PDF. Anybody have an idea how to do this or even if it can be done? This is not a report region.
Also any idea's on how I might do pagination in a dynamic PL/SQL region?
Any hope that a future version of APEX will accept lines from a PL/SQL function (including anonymous ones) as the source of a report region? It would need to preserve blank lines. Currently only select statements are valid for generating APEX reports.
Thanks in advance for your help!
Dave VenusScott,
This is what is what debug mode puts out just before it issues the data not found error:
0.07: ...Process "create collection": PLSQL (ON_SUBMIT_BEFORE_COMPUTATION) -- -- Create Collections -- -- declare la_cks apex_application_global.vc_arr2; begin if apex_application.g_f19.count > 0 then -- wwv_flow.debug('count gt 0 for checksum'); la_cks := apex_application.g_f19; else
0.09: Encountered unhandled exception in process type PLSQL
0.09: Show ERROR page...
0.09: Performing rollback...
I was hoping that the wwv_flow.debug statements would help me figure out where the error was occurring, but they did not produce anything so I commented them out. One thing that might be useful is that when I am not in debug mode and I click the OK link after the Oracle error message, the repainted screen still has the checkboxes that have been marked so I am guessing the error handler can see the data that I put into the .g_fnn arrays within my pl/sql region code.
In other tabular forms within the same application, the create collection code starts the same way and I do not have any problems.
One of the tests I did this morning was to replace my reference to the fcs array with f19 just in case there was something special being done for checksums, but the change had no effect.
thanks,
Peter -
Official documents on escaping characters in SQL Server query statements
Hi,
Are there any official documents on how to escaping special characters in SQL Server query statements? I find a lot of online resources discussing about this, but there are no definitive conclusions on:
Which characters should be escaped? (Some only said single-quote needs to be escaped, double-quote does not need. While others said both need to be escaped)
How to escape characters? (Some said using two single-quote to escape a single-quote. Others said using a backslash, etc.)
So I just wonder if there is an official document from Microsoft regarding this?
Thanks
AlanDepends on where you're using them
If its string values then single quotes(') should be escaped by putting one more single quote before it.
If its LIKE operator you can use ESCAPE keyword or use [] to escapre special characters
see
http://visakhm.blogspot.in/2013/01/wildcard-character-based-pattern-search.html
If inside SSIS expression you can escape characters like \ " etc by adding an extra \ before the characters
Please Mark This As Answer if it helps to solve the issue Visakh ---------------------------- http://visakhm.blogspot.com/ https://www.facebook.com/VmBlogs -
Required info on SQL Server Performance Issue Analysis and Troubleshoot way
Dear All,
I am going to prepare the simple documentation steps on SQL Server Performance Issue Analysis and troubleshoot method. I am struggling to make this documentation since we have different checklist (like network latency,disk latency, memory/processor pressure,SQL
query tuning etc) to validate once application performance issue reported from the customer.So, I am looking for the experts document or link sharing .
Your input will help for document preparation in better way.
Thanks in advance.Hi,
Recommendations and Guidelines on configuring disk partitions for SQL Server
http://support.microsoft.com/kb/2023571
Disk and File Layout for SQL Server
https://blogs.technet.com/b/dataplatforminsider/archive/2012/12/19/disk-and-file-layout-for-sql-server.aspx
Microsoft SQL Server 2012 Performance Tuning: Implementing Physical Database Structure
http://www.packtpub.com/article/sql-server-2012-implementing-physical-database-strusture
Database Mirroring Best Practices and Performance Considerations
http://technet.microsoft.com/en-us/library/cc917681.aspx
Hope the information helps.
Tracy Cai
TechNet Community Support -
SQL Azure - query with row_number() executes slow if columns with nvarchar of big size are included
I am linking my question from Stack Overflow here. The link: http://stackoverflow.com/questions/27943913/sql-azure-query-with-row-number-executes-slow-if-columns-with-nvarchar-of-bi
Appreciate your help!
GorgiHi,
Thanks for posting here.
I suggest you to check this link and optimize your query on sql azure.
http://www.sqlusa.com/articles/query-optimization/
http://sqlblog.com/blogs/paul_white/archive/2011/02/23/Advanced-TSQL-Tuning-Why-Internals-Knowledge-Matters.aspx
Also check this blog which had similar issue.
https://social.msdn.microsoft.com/Forums/en-US/c1da08b4-265d-4ec8-a252-8d7090234e3e/simple-select-query-takes-long-time-to-execute-with-nvarchar-columns?forum=transactsql
Girish Prajwal -
I've tried going through the steps to resolve the issue, but I am still coming up blank. The part that I am not understanding is the, "A non-recoverable error occurred during a database lookup." part.
Is this a security problem? I can establish an ODBC connection to the server as well as connect and query through visual studio, however when trying to run it through one of our custom programs, it throws this error message.
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider:
TCP Provider, error: 0 - A non-recoverable error occurred during a database lookup.)There are many reasons of SQL server connectivity issue. Refer checklist to find out the real cause of connectivity issue.
1. Check SQL services are running
2. Check SQL Browser service is running
3. Check remote connections are enabled
4. Network connectivity between database & application servers by TRACERT command
5. Check TCP/IP protocol enabled at SQL server
6. Check talent connectivity – telnet <IP address> <port no on SQL server running>
7. Check UDP port 1434 is open or not on SQL Server
8. Check firewall is running or not Check
9. If firewall running, SQL Server & UDP port must be added in exception in firewall
10. Run SQL Discovery report on machine SQL server installed, to check you are using correct instance name to connect( default \named) -http://mssqlfun.com/2013/02/26/sql-server-discovery-report/
http://mssqlfun.com/2012/09/28/check-list-for-sql-server-connectivity-issue/
Regards,
Rohit Garg
(My Blog)
This posting is provided with no warranties and confers no rights.
Please remember to click Mark as Answer and Vote as Helpful on posts that help you. This can be beneficial to other community members reading the thread. -
Oracle SQL Select query takes long time than expected.
Hi,
I am facing a problem in SQL select query statement. There is a long time taken in select query from the Database.
The query is as follows.
select /*+rule */ f1.id,f1.fdn,p1.attr_name,p1.attr_value from fdnmappingtable f1,parametertable p1 where p1.id = f1.id and ((f1.object_type ='ne_sub_type.780' )) and ( (f1.id in(select id from fdnmappingtable where fdn like '0=#1#/14=#S0058-3#/17=#S0058-3#/18=#1#/780=#5#%')))order by f1.id asc
This query is taking more than 4 seconds to get the results in a system where the DB is running for more than 1 month.
The same query is taking very few milliseconds (50-100ms) in a system where the DB is freshly installed and the data in the tables are same in both the systems.
Kindly advice what is going wrong??
Regards,
PurushothamSQL> @/alcatel/omc1/data/query.sql
2 ;
9 rows selected.
Execution Plan
Plan hash value: 3745571015
| Id | Operation | Name |
| 0 | SELECT STATEMENT | |
| 1 | SORT ORDER BY | |
| 2 | NESTED LOOPS | |
| 3 | NESTED LOOPS | |
| 4 | TABLE ACCESS FULL | PARAMETERTABLE |
|* 5 | TABLE ACCESS BY INDEX ROWID| FDNMAPPINGTABLE |
|* 6 | INDEX UNIQUE SCAN | PRIMARY_KY_FDNMAPPINGTABLE |
|* 7 | TABLE ACCESS BY INDEX ROWID | FDNMAPPINGTABLE |
|* 8 | INDEX UNIQUE SCAN | PRIMARY_KY_FDNMAPPINGTABLE |
Predicate Information (identified by operation id):
5 - filter("F1"."OBJECT_TYPE"='ne_sub_type.780')
6 - access("P1"."ID"="F1"."ID")
7 - filter("FDN" LIKE '0=#1#/14=#S0058-3#/17=#S0058-3#/18=#1#/780=#5#
8 - access("F1"."ID"="ID")
Note
- rule based optimizer used (consider using cbo)
Statistics
0 recursive calls
0 db block gets
0 consistent gets
0 physical reads
0 redo size
0 bytes sent via SQL*Net to client
0 bytes received via SQL*Net from client
0 SQL*Net roundtrips to/from client
0 sorts (memory)
0 sorts (disk)
9 rows processed
SQL>
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