SQL to align the values of the child with the parent columns

Hello world

I'm stumped on how to develop a sql query that generates a report which my child values are aligned with my columns parent based on corresponding years. Here is an example...

create table test_yr (yr_id number primary key, yr_nb number);
insert into test_yr values (1,2013);
insert into test_yr values (2,2014);
insert into test_yr values (3,2015);

create table test_parent (parent_id number primary key, parent_yr_id_begin number, parent_title varchar2(100));
alter table test_parent add foreign key (parent_yr_id_begin) refererences test_yr (yr_id);
insert into test_parent values (1,1,'This rec starts in 2013');

create table test_child (
     child_id number primary key,
     child_parent_id number,
     child_yr_id_begin number,
     child_title varchar2(100),
     child_yr1_val number, child_yr2_val number, child_yr3_val number, child_yr4_val number, child_yr5_val number
);
alter table test_child add foreign key (child_parent_id) references test_parent (parent_id);
alter table test_child add foreign key (child_yr_id_begin) references test_yr (yr_id);
insert into test_child values (1,1,3,'This rec starts in 2015',10,20,30,40,50);
insert into test_child values (2,1,3,'This rec starts in 2015',15,25,35,45,55);

The child can begin to another to start the year as the parent, which makes different yr1 for parent and yr1 for child. So, for this example, the child 1 year (2015) = year 3 of the parent.

I can get the values strictly of the child using the following...

select child_yr1_val, child_yr2_val, child_yr3_val, child_yr4_val, child_yr5_val
from test_child
where child_parent_id = 1;

However, I need the report to be based on the first five years of the parent. And since the child does not start until 2015, two years should be zero. This is the expected result:

Yr1 | YR2 | YR3 | yr4 | Yr5

---------------------------

0 | 0 | 10. 20. 30

0 | 0 | 15. 25. 35

I am doing it using simple sql without having to use pl/SQL to derive a dynamic query. But I need to somehow to the height and line up the years... like in this example, yr1 (child) = yr3 (parent), (child) yr2 = yr4 (parent), etc.. I hope that some joints and case statements will do the trick, but I don't know how to use them to get the result that I need. Can anyone help? Oracle 11 g 2.

Thank you

Mark

Hi, Mark,.

Here's one way:

WITH unpivoted_child AS

(

SELECT child_id, child_parent_id

child_yr_id_begin + child_yr - 1 AS column_num

val

OF test_child

UNPIVOT (val

FOR child_yr (child_yr1_val AS 1

child_yr2_val AS 2

child_yr3_val AS 3

child_yr4_val AS 4

child_yr5_val AS 5

)

)

WHERE child_parent_id = 1

)

SELECT NVL (y1, 0) AS yr1

, NVL (y2, 0) AS yr2

, NVL (y3, 0) AS an3

, NVL (y4, 0) AS yr4

, NVL (y5, 0) AS yr5

Of unpivoted_child

PIVOT (SUM (val)

FOR column_num IN (1 AS y1

2 AS y2

3 AS y3

4 AS y4

5 AS y5

)

)

ORDER BY child_parent_id

child_id

;

Have 5 columns in the test_child that all say the same thing, obly for different years, isn't a very good design table. It wouyld be better to have a single table for all the attriburtes that apply to the child and another table for each combination of year, with a single amount on each line. Because you don't have that, the unpivoted_child of the subquery, it essentially creates on the fly.

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to org.apache.tomcat.util.threads.TaskThread$ WrappingRunnable.run (TaskThread.java:61)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.sql.SQLException: ORA-22813: value of the operand exceeds the limits of the system
at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:70)
at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:133)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:206)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:455)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:413)
at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:1035)
at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:194)
at oracle.jdbc.driver.T4CPreparedStatement.executeForDescribe(T4CPreparedStatement.java:791)
at oracle.jdbc.driver.T4CPreparedStatement.executeMaybeDescribe(T4CPreparedStatement.java:866)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1188)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3386)
at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:3487)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.execute(OraclePreparedStatementWrapper.java:1374)
at MITI.util.database.Query.executeStatement (Query.java:45)
at MITI.util.database.Statement.execute (Statement.java:66)
to MITI.util.database.CommonDataSource$ 1.run(CommonDataSource.java:50)
to MITI.util.database.CommonDataSource$ 1.run(CommonDataSource.java:47)
at MITI.util.database.Transaction.execute (Transaction.java:92)
at MITI.util.database.CommonDataSource.executeTransaction (CommonDataSource.java:80)
... more than 27
Caused by:
java.sql.SQLException: ORA-22813: value of the operand exceeds the limits of the system
at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:70)
at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:133)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:206)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:455)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:413)
at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:1035)
at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:194)
at oracle.jdbc.driver.T4CPreparedStatement.executeForDescribe(T4CPreparedStatement.java:791)
at oracle.jdbc.driver.T4CPreparedStatement.executeMaybeDescribe(T4CPreparedStatement.java:866)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1188)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3386)
at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:3487)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.execute(OraclePreparedStatementWrapper.java:1374)
at MITI.util.database.Query.executeStatement (Query.java:45)
at MITI.util.database.Statement.execute (Statement.java:66)
to MITI.util.database.CommonDataSource$ 1.run(CommonDataSource.java:50)
to MITI.util.database.CommonDataSource$ 1.run(CommonDataSource.java:47)
at MITI.util.database.Transaction.execute (Transaction.java:92)
at MITI.util.database.CommonDataSource.executeTransaction (CommonDataSource.java:80)
at MITI.util.database.CommonDataSource.executeStatement (CommonDataSource.java:54)
at MITI.server.services.lineage.impl.LineageImpl.traceLineage (LineageImpl.java:554)
at MITI.server.services.lineage.common.LineageTracer.traceLineage (LineageTracer.java:1078)
at MITI.server.services.lineage.common.LineageTracer.traceDataLineage (LineageTracer.java:313)
at MITI.server.services.lineage.common.LineageTracer.traceTechnicalData (LineageTracer.java:176)
at MITI.web.common.service.facades.LineageFacadeImpl.getLineageGraph (LineageFacadeImpl.java:245)
at MITI.flash.tabs.VizModelLineage.getLineageTree (VizModelLineage.java:429)
at MITI.flash.tabs.VizModelLineage.buildLineageGraph (VizModelLineage.java:356)
at MITI.flash.tabs.VizModelLineage.performAction (VizModelLineage.java:148)
at MITI.server.servlets.FlashServlet.doPost (FlashServlet.java:156)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)

Oracle has published OEMM 12.2.1 and this error is gone! So if you are facing this problem in an older version, just go to the newest one.

reload the page when SQL query returns a value

Hello world
the title of this discussion may seem strange, but I'll try to explain why I need this:
A user has the ability to connect on my APEX application. There are several tabs in my application that are visible only if a certain SQL statement returns a value which is not the case by default. The user has also the ability to download a file that is transferred to an external system that analyzes the file and writes the data in the database. During this writing process - which may take several minutes - conditions for some of the tabs to show the will becomes real (-> the query will return a value). When the user refreshes the page manually, the tabs will be displayed. However, I want the tabs will appear automatically when the condition is met.
Is it possible to refresh the page as soon as the query returns a value? It is perhaps possible to check it on the client side and trigger a refresh of the page when the condition is met. It would be even better if only the tabset has been updated, but refreshing the full page is fine as well.
Thank you!

Here is an overview of how it can be done

This is possible thanks to a dynamic action being performed on a timer.

View default tabs and dynamic action hide them on loading the page if they are not to be considered

Create a dynamic action that will execute your query every 5 seconds or more

If the query returns data, you can use the dynamic action to show your tabs using javascript

Question by adding the LOBs-ORA-06502: PL/SQL: digital error or value
Hello

I'm using Oracle 11 g.

I have a requirement in which I need to add LOBs and I must insert the LOB in a table column. I am facing problem when the data exceeds certain limits. My program works like the following:

(Please note that my program logic is given below, not the exact program)

DECLARE

final_html CLOB.
int_html CLOB.
v_str VARCHAR2 (32767).

i the number: = 0;

BEGIN

DBMS_LOB.CREATETEMPORARY (lob_loc = > int_html, CACHE = > TRUE, hard = > dbms_lob.) CALL);
DBMS_LOB.CREATETEMPORARY (lob_loc = > final_html, CACHE = > TRUE, hard = > dbms_lob.) CALL);
DBMS_LOB. OPEN (int_html, DBMS_LOB. LOB_READWRITE);
DBMS_LOB. OPEN (final_html, DBMS_LOB. LOB_READWRITE);
dbms_output. ENABLE (1000000);

FOR i 1,100 loop

v_str: = "< b >" |
"< style td =" "DRESSING: break-word" width = "50" > < font size = "2" > ' | "
I have | ' < / police > < table > ' |
"< /tr >";

DBMS_LOB. WriteAppend (lob_loc = > int_html, amount = > LENGTH (v_str), BUFFER = > v_str);

END LOOP;
dbms_output.put_line (' the length of the int_html is :'||) DBMS_LOB. GetLength (int_html));

dbms_output.put_line (' the int_html :'|| is int_html).

final_html: = "< html >" | int_html | "< / html > ';
dbms_output.put_line (' the final_html :'|| is final_html).

EXCEPTION
WHILE OTHERS THEN

dbms_output.put_line(SQLCODE||) e -'|| SQLERRM);
DBMS_LOB. CLOSE (int_html);
DBMS_LOB. CLOSE (final_html);
DBMS_LOB. FREETEMPORARY (int_html);
DBMS_LOB. FREETEMPORARY (final_html);

END;

When the loop is made of lesser value, say FOR example, the loop i IN 1.10, the program works very well, but when the closure is done for values more I'm ' - 6502-ORA-06502: PL/SQL: digital error or value ' error message.

Please help me solve this problem.

Thanking you in advance.

Kind regards
Sri
Can you please specify what environment you run this?

I modified your code as follows

The code executed successfully until the length has been<= 32767="" i.e="" (="" until="" for="" i="" in="">

In addition, you must use the function APPEND to concatenate variables clob.

Please check the maximum size by default for varchar2 or dbms_output in your server since you get the error for just the loop in the range (FOR i IN 1,100).

And Yes, Siva comments are valid.

DECLARE

final_html CLOB.
int_html CLOB.
v_str VARCHAR2 (32767).

i the number: = 0;

BEGIN

DBMS_LOB.CREATETEMPORARY (lob_loc-online int_html, CACHE-online TRUE, hard-online dbms_lob. CALL);
DBMS_LOB.CREATETEMPORARY (lob_loc-online final_html, CACHE-online TRUE, hard-online dbms_lob. CALL);
DBMS_LOB. OPEN (int_html, DBMS_LOB. LOB_READWRITE);
DBMS_LOB. OPEN (final_html, DBMS_LOB. LOB_READWRITE);
dbms_output. ENABLE (1000000);

FOR i 1.1092 loop

v_str: = '' ||
'' ||
I have | '' ||
'';

DBMS_LOB. WriteAppend (lob_loc-int_html, amount => (v_str), BUFFER LENGTH-online v_str online);

END LOOP;

dbms_output.put_line (' the length of the int_html is :'||) DBMS_LOB. GetLength (int_html));
Start
dbms_output.put_line (' the int_html :'|| is int_html).
dbms_output.put_line (' the length of the int_html is :'||) DBMS_LOB. GetLength (int_html));
exception when others then
dbms_output.put_line(SQLCODE||) e -'|| SQLERRM);
end;
/*
Start
final_html: = ''|| int_html | »';
dbms_output.put_line (' the final_html :'|| is final_html).
exception when others then
dbms_output.put_line(SQLCODE||) e -'|| SQLERRM);
end; */

EXCEPTION
WHILE OTHERS THEN

dbms_output.put_line(SQLCODE||) e -'|| SQLERRM);
DBMS_LOB. CLOSE (int_html);
DBMS_LOB. CLOSE (final_html);
DBMS_LOB. FREETEMPORARY (int_html);
DBMS_LOB. FREETEMPORARY (final_html);

END;

Published by: Gurnani houta July 29, 2011 03:11

Published by: Gurnani houta July 29, 2011 03:14

Align the value apex_item.text
How can I align the value apex_item.text on the right?
The default value is left.
I tried to set the alignment of the column as rigth without success.
Use the p_attributes for apex_item.text parameter to create a style attribute:
```
style="text-align: right;"
```

Before the process of pl/sql header to assign values to the elements on the page
How can I assign values to the elements of a page based on the data structure returned by a pl/sql procedure in the front header process? I think execution of a pl/sql procedure based on a URL parameter value and then assign values to the page elements. Is this really possible using Apex 4.0.2? If so, how can it be done?

Thank you

Salome
The question is not really clear. What kind of "data structure returned by a procedure from pl/sql? Please be much more accurate.

For a data structure of PL/SQL such as records containing 2 elements (x and there) returned as output parameter for a procedure to be assigned to 2 items p1_x and p1_ypage, all that is necessary in the header before process is something like
```
declare
...
  l_rec rec_type;
...
begin
...
  the_proc(..., p_out => l_rec, ...);

  :p1_x := l_rec.x;
  :p1_y := l_rec.y;
...
end;
```

Pushing the right aligned field value to the left

Hi guys,.
I have a question about good alignment. I have a form with legend and supposedly, points as filler for the space between the legend and the value. I can stalled right value and I replaced the space with points by program, but if the value is too long, the field is cutting values instead of the fill hole (making the left position as the anchor rather than upright.) IMO, if it's just aligned, the anchor point must be to the right instead of the left.
Can someone help me with this problem? Thank you!!
For example.

subtitle 1:... Value1
subtitle 1:... V1WWWWW < WW > (value obtained cut points overlaps with the legend)
subtitle 1:... V1 (if the value is too short, there is space between the legend)
PS: or if you can give a different approach in the empty space between the legend and the value of filling with dots, it is also a pts 10 suggestion if it works. Thank you!!!

Not sure I can send you a sample that shows the number of

[email protected] and I'll take a look.

Paul

SQL to align the values of the child with the parent columns

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