Before Header pl/sql process to assign values to page items
How can i assign values to items on a page based on the data structure returned from a pl/sql procedure within the before header process? I am thinking of executing a pl/sql procedure based on a URL parameter value and then assign values to page items. Is this really possible using Apex 4.0.2? If yes, how can it be done?
thanks
Seetharaman
The question isn't really clear. What kind of "data structure returned from a pl/sql procedure"? Please be much more specific.
For a PL/SQL data structure such as record containing 2 elements (<tt>x</tt> and <tt>y</tt>) returned as an out parameter from a procedure to be assigned to 2 page items <tt>p1_x</tt> and <tt>p1_y</tt>, all that's required in the Before Header 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;
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Hi All,
We are looking for a solution based on FIFO algorithm. We have a table having following data:
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KumudHi,
Please find the following code block for what is input data and what should be output.
--The input data
create table temp_table
row_id int,
engine_no varchar(20),
schedule_no varchar(20),
start_station varchar(20),
end_station varchar(20),
startdate datetime,
enddate datetime,
starttime datetime,
endtime datetime,
record_id int,
engine_id int,
Mgt int,
nextstarttime datetime,
Schedule_ref varchar(20),
Engine_Ref varchar(20)
GO
insert into temp_table values(1,'19O','101','SGC','IXP','2015/01/01','2015/01/01','00:00:00','01:00:00',1,10,60,'02:00:00',null,null)
insert into temp_table values(2,'19O','102','SGC','IXP','2015/01/01','2015/01/01','00:30:00','01:30:00',2,10,60,'02:30:00',null,null)
insert into temp_table values(3,'19O','103','SGC','IXP','2015/01/01','2015/01/01','02:30:00','03:30:00',3,10,60,'04:30:00',null,null)
insert into temp_table values(4,'19O','104','IXP','DFW','2015/01/01','2015/01/01','03:30:00','04:00:00',4,10,60,'05:00:00',null,null)
insert into temp_table values(5,'19O','105','IXP','DFW','2015/01/01','2015/01/01','04:30:00','05:30:00',5,10,60,'06:30:00',null,null)
insert into temp_table values(6,'19O','106','DFW','ABC','2015/01/01','2015/01/01','05:00:00','06:00:00',6,10,60,'07:00:00',null,null)
insert into temp_table values(7,'19O','107','DFW','ABC','2015/01/01','2015/01/01','06:00:00','07:00:00',7,10,60,'08:00:00',null,null)
insert into temp_table values(8,'19O','108','DFW','ABC','2015/01/01','2015/01/01','07:00:00','08:00:00',8,10,60,'09:00:00',null,null)
insert into temp_table values(9,'19O','109','ABC','DEF','2015/01/01','2015/01/01','10:00:00','11:30:00',9,10,60,'12:30:00',null,null)
insert into temp_table values(10,'19O','110','XYZ','BDW','2015/01/01','2015/01/01','13:00:00','15:00:00',10,10,60,'16:00:00',null,null)
insert into temp_table values(1,'319','111','PQR','STU','2015/01/01','2015/01/01','00:00:00','01:00:00',11,11,60,'02:00:00',null,null)
insert into temp_table values(2,'319','211','PQR','STU','2015/01/01','2015/01/01','04:30:00','15:30:00',12,11,60,'16:30:00',null,null)
insert into temp_table values(3,'319','112','STU','ABC','2015/01/01','2015/01/01','05:00:00','06:00:00',13,11,60,'07:00:00',null,null)
insert into temp_table values(4,'319','212','STU','DEF','2015/01/01','2015/01/01','06:00:00','07:00:00',14,11,60,'08:00:00',null,null)
insert into temp_table values(5,'319','213','STU','PQR','2015/01/01','2015/01/01','07:00:00','08:00:00',15,11,60,'09:00:00',null,null)
insert into temp_table values(6,'319','118','STU','XYZ','2015/01/01','2015/01/01','10:00:00','11:30:00',16,11,60,'12:30:00',null,null)
insert into temp_table values(7,'319','119','DEF','JKL','2015/01/01','2015/01/01','13:00:00','15:00:00',17,11,60,'16:00:00',null,null)
insert into temp_table values(8,'319','215','ABC','MNO','2015/01/01','2015/01/01','17:00:00','20:00:00',18,11,60,'21:00:00',null,null)
insert into temp_table values(1,'19O','101','SGC','IXP','2015/01/01','2015/01/01','00:00:00','01:00:00',1,10,60,'02:00:00',null,null)
insert into temp_table values(2,'19O','102','SGC','IXP','2015/01/01','2015/01/01','00:30:00','01:30:00',2,10,60,'02:30:00',null,null)
insert into temp_table values(3,'19O','103','SGC','IXP','2015/01/01','2015/01/01','02:30:00','03:30:00',3,10,60,'04:30:00',null,null)
insert into temp_table values(4,'19O','104','IXP','DFW','2015/01/01','2015/01/01','03:30:00','04:00:00',4,10,60,'05:00:00',null,null)
insert into temp_table values(5,'19O','105','IXP','DFW','2015/01/01','2015/01/01','04:30:00','05:30:00',5,10,60,'06:30:00',null,null)
insert into temp_table values(6,'19O','106','DFW','ABC','2015/01/01','2015/01/01','05:00:00','06:00:00',6,10,60,'07:00:00',null,null)
insert into temp_table values(8,'19O','108','DFW','ABC','2015/01/01','2015/01/01','07:00:00','08:00:00',8,10,60,'09:00:00',null,null)
insert into temp_table values(9,'19O','109','ABC','DEF','2015/01/01','2015/01/01','10:00:00','11:30:00',9,10,60,'12:30:00',null,null)
insert into temp_table values(1,'319','111','PQR','STU','2015/01/01','2015/01/01','00:00:00','01:00:00',11,11,60,'02:00:00',null,null)
insert into temp_table values(2,'319','211','PQR','STU','2015/01/01','2015/01/01','04:30:00','15:30:00',12,11,60,'16:30:00',null,null)
insert into temp_table values(3,'319','112','STU','ABC','2015/01/01','2015/01/01','05:00:00','06:00:00',13,11,60,'07:00:00',null,null)
insert into temp_table values(4,'319','212','STU','DEF','2015/01/01','2015/01/01','06:00:00','07:00:00',14,11,60,'08:00:00',null,null)
insert into temp_table values(5,'319','213','STU','PQR','2015/01/01','2015/01/01','07:00:00','08:00:00',15,11,60,'09:00:00',null,null)
insert into temp_table values(6,'319','118','STU','XYZ','2015/01/01','2015/01/01','10:00:00','11:30:00',16,11,60,'12:30:00',null,null)
insert into temp_table values(7,'319','119','DEF','JKL','2015/01/01','2015/01/01','13:00:00','15:00:00',17,11,60,'16:00:00',null,null)
insert into temp_table values(8,'319','215','ABC','MNO','2015/01/01','2015/01/01','17:00:00','20:00:00',18,11,60,'21:00:00',null,null)
--output should come as the data in temp_table_final
create table temp_table_final
row_id int,
engine_no varchar(20),
schedule_no varchar(20),
start_station varchar(20),
end_station varchar(20),
startdate datetime,
enddate datetime,
starttime datetime,
endtime datetime,
record_id int,
engine_id int,
Mgt int,
nextstarttime datetime,
Schedule_ref varchar(20),
Engine_Ref varchar(20)
GO
insert into temp_table_final values(1,'19O','101','SGC','IXP','2015/01/01','2015/01/01','00:00:00','01:00:00',1,10,60,'02:00:00','101','19O-1')
insert into temp_table_final values(2,'19O','102','SGC','IXP','2015/01/01','2015/01/01','00:30:00','01:30:00',2,10,60,'02:30:00','102','19O-2')
insert into temp_table_final values(3,'19O','103','SGC','IXP','2015/01/01','2015/01/01','02:30:00','03:30:00',3,10,60,'04:30:00','103','19O-3')
insert into temp_table_final values(4,'19O','104','IXP','DFW','2015/01/01','2015/01/01','03:30:00','04:00:00',4,10,60,'05:00:00','101','19O-1')
insert into temp_table_final values(5,'19O','105','IXP','DFW','2015/01/01','2015/01/01','04:30:00','05:30:00',5,10,60,'06:30:00','102','19O-2')
insert into temp_table_final values(6,'19O','106','DFW','ABC','2015/01/01','2015/01/01','05:00:00','06:00:00',6,10,60,'07:00:00','104','19O-1')
insert into temp_table_final values(7,'19O','107','DFW','ABC','2015/01/01','2015/01/01','06:00:00','07:00:00',7,10,60,'08:00:00','107','19O-4')
insert into temp_table_final values(8,'19O','108','DFW','ABC','2015/01/01','2015/01/01','07:00:00','08:00:00',8,10,60,'09:00:00','105','19O-2')
insert into temp_table_final values(9,'19O','109','ABC','DEF','2015/01/01','2015/01/01','10:00:00','11:30:00',9,10,60,'12:30:00','106','19O-1')
insert into temp_table_final values(10,'19O','110','XYZ','BDW','2015/01/01','2015/01/01','13:00:00','15:00:00',10,10,60,'16:00:00','110','19O-5')
insert into temp_table_final values(1,'319','111','PQR','STU','2015/01/01','2015/01/01','00:00:00','01:00:00',11,11,60,'02:00:00','111','319-1')
insert into temp_table_final values(2,'319','211','PQR','STU','2015/01/01','2015/01/01','04:30:00','15:30:00',12,11,60,'16:30:00','211','319-2')
insert into temp_table_final values(3,'319','112','STU','ABC','2015/01/01','2015/01/01','05:00:00','06:00:00',13,11,60,'07:00:00','111','319-1')
insert into temp_table_final values(4,'319','212','STU','DEF','2015/01/01','2015/01/01','06:00:00','07:00:00',14,11,60,'08:00:00','212','319-3')
insert into temp_table_final values(5,'319','213','STU','PQR','2015/01/01','2015/01/01','07:00:00','08:00:00',15,11,60,'09:00:00','213','319-4')
insert into temp_table_final values(6,'319','118','STU','XYZ','2015/01/01','2015/01/01','10:00:00','11:30:00',16,11,60,'12:30:00','118','319-5')
insert into temp_table_final values(7,'319','119','DEF','JKL','2015/01/01','2015/01/01','13:00:00','15:00:00',17,11,60,'16:00:00','212','319-3')
insert into temp_table_final values(8,'319','215','ABC','MNO','2015/01/01','2015/01/01','17:00:00','20:00:00',18,11,60,'21:00:00','112','319-1')
insert into temp_table_final values(1,'19O','101','SGC','IXP','2015/01/01','2015/01/01','00:00:00','01:00:00',1,10,60,'02:00:00','101','19O-1')
insert into temp_table_final values(2,'19O','102','SGC','IXP','2015/01/01','2015/01/01','00:30:00','01:30:00',2,10,60,'02:30:00','102','19O-2')
insert into temp_table_final values(3,'19O','103','SGC','IXP','2015/01/01','2015/01/01','02:30:00','03:30:00',3,10,60,'04:30:00','103','19O-3')
insert into temp_table_final values(4,'19O','104','IXP','DFW','2015/01/01','2015/01/01','03:30:00','04:00:00',4,10,60,'05:00:00','101','19O-1')
insert into temp_table_final values(5,'19O','105','IXP','DFW','2015/01/01','2015/01/01','04:30:00','05:30:00',5,10,60,'06:30:00','102','19O-2')
insert into temp_table_final values(6,'19O','106','DFW','ABC','2015/01/01','2015/01/01','05:00:00','06:00:00',6,10,60,'07:00:00','104','19O-1')
insert into temp_table_final values(8,'19O','108','DFW','ABC','2015/01/01','2015/01/01','07:00:00','08:00:00',8,10,60,'09:00:00','105','19O-2')
insert into temp_table_final values(9,'19O','109','ABC','DEF','2015/01/01','2015/01/01','10:00:00','11:30:00',9,10,60,'12:30:00','106','19O-1')
insert into temp_table_final values(1,'319','111','PQR','STU','2015/01/01','2015/01/01','00:00:00','01:00:00',11,11,60,'02:00:00','111','319-1')
insert into temp_table_final values(2,'319','211','PQR','STU','2015/01/01','2015/01/01','04:30:00','15:30:00',12,11,60,'16:30:00','211','319-2')
insert into temp_table_final values(3,'319','112','STU','ABC','2015/01/01','2015/01/01','05:00:00','06:00:00',13,11,60,'07:00:00','111','319-1')
insert into temp_table_final values(4,'319','212','STU','DEF','2015/01/01','2015/01/01','06:00:00','07:00:00',14,11,60,'08:00:00','212','319-3')
insert into temp_table_final values(5,'319','213','STU','PQR','2015/01/01','2015/01/01','07:00:00','08:00:00',15,11,60,'09:00:00','213','319-4')
insert into temp_table_final values(6,'319','118','STU','XYZ','2015/01/01','2015/01/01','10:00:00','11:30:00',16,11,60,'12:30:00','118','319-5')
insert into temp_table_final values(7,'319','119','DEF','JKL','2015/01/01','2015/01/01','13:00:00','15:00:00',17,11,60,'16:00:00','212','319-3')
insert into temp_table_final values(8,'319','215','ABC','MNO','2015/01/01','2015/01/01','17:00:00','20:00:00',18,11,60,'21:00:00','112','319-1')
What we are doing here is generating a schedule for Trains departures.
here, we should identify the train schedules making a chain of stations considering the endstation of a train engine no should be startstation of another record for same engineno. also the starttime of engineno should be nearest of nextstarttime
of same station.
for example : if we pick Ist row "SGC-IXP", nextstarttime for same is "02:00:00 am". this means train departed from SGC will reach to IXP and is available for departure from IXP after "02:00:00 am". So we have to consider
the record having startstation as IXP and nearest starttime to nextstarttime ("02:00:00"). So the next train departure would be IXP-DFW having starttime as "03:30:00 am".
here you can see we have to assign the scheduleno of previously considered record to the chained schedule so we have updated the "schedule_ref" as 101. Also we have to assign the engine no - <counter of integer> to a single chain on schedule
given in engine_ref.
Regards
Kumud -
How to reference SQL column value for page item text field
greetings,
I created a simple report based on sql query. the query is select employeeid,salary from emp_tbl. under the report column i see employeeid and salary. I created a page item text field with the source type pl/sql function body. inside this source is simple block.
begin
if salary < 10000 then
return (1);
else
return (2);
end if;
end;
from the error i take it that it doesn't understand salary. I have tried bind variable (:salary) , hash marks (#salary#), ampersand (&salary.) but nothing works. Is this even possible?
thank you,
monHi Mon,
I think you will find that anything you do in Forms, you can achieve in Apex, but you may have to think a little differently. Finding direct equivalents in both environments may not be easy or even possible in some circumstances, but with a little knowledge and thought an equivalent overall business flow can be achieved that is just as efficient.
For example, in Forms where you have a multi row block based on a table, if you need to add any derived fields then you will add these at the block level. I can see that this is what you are trying to achieve in Apex.
In Apex this will be more easily achieved by specifying the derived fields as part of the query for the region, and if the derivation of the fields is complex you can use user defined functions. If you require page type items to be displayed such as text boxes, LOV's, radiogroups, datepickers etc then these can be embedded in the query with the use of the Apex API, see the APEX_ITEM supplied package.
I know this is still very high level, but I hope it helps you on your way in your journey with Apex.
Regards
Andre -
SQL row fetch based on other page items
Hi ,
I am new to Application Express.
Please guide me .
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Now I am displaying records in ther report part(page 33) of forms with report.
I have provided navigation on one of the primary keys.
One clicking on the key value it takes me to the form page(page 34) where the details of that speicific record are displayed. The page fetches teh details on the basis of automated row fetch using two primary keys as the condition for selecting the specific record from table.
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Displays no data found on navigating from the report page (33) to form page(34).
There seems to be something wrong with the query.
select
PROGRAM,SUB_PROG,DELIVERABLE,SOURCE,REC_COUNT,CREATE_BY,CREATE_DATE,
LAST_UPDATE_BY,LAST_UPDATE_DATE,BTORDIRECTOR,AOPTERRITORY,
FIELDSERVRGM
INTO
:P34_PROGRAM,:P34_SUB_PROG,:P34_DELIVERABLE,:P34_SOURCE,:P34_REC_COUNT,:P34_CREATE_BY,:P34_CREATE_DATE,:P34_LAST_UPDATE_BY,:P34_LAST_UPDATE_DATE,:P34_BTORDIRECTOR,:P34_AOPTERRITORY,:P34_FIELDSERVRGM
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WHERE
PROGRAM=(:P34_PROGRAM) and
SUB_PROG=(:P34_SUB_PROG) AND
DELIVERABLE=(:P34_DELIVERABLE)AND
REC_COUNT=(:P34_REC_COUNT);Hi,
Thanks for your suggestion.
all the four fields have value.
I have fixed the process point as new instance
while the query is as follows.
Now it displays the value of only the first three fields which are primary keys while it is not being able to fetch the value of other fields.
i.e Prog, Sub Prog, and Deliverable
select
REC_COUNT,CREATE_BY,CREATE_DATE,
LAST_UPDATE_BY,LAST_UPDATE_DATE,BTORDIRECTOR,AOPTERRITORY,
FIELDSERVRGM
INTO
:P34_REC_COUNT,:P34_CREATE_BY,:P34_CREATE_DATE,:P34_LAST_UPDATE_BY,:P34_LAST_UPDATE_DATE,:P34_BTORDIRECTOR,:P34_AOPTERRITORY,:P34_FIELDSERVRGM
FROM CAP_NIMS_MANUAL
WHERE
PROGRAM=(:P33_PROGRAM) and
SUB_PROG=(:P33_SUB_PROG) AND
DELIVERABLE=(:P33_DELIVERABLE) and
REC_COUNT=(:P33_REC_COUNT); -
Hi,
I use page items quite heavily in my workbooks to allow the user to filter the recordsets as they require.
Some of these page items are based on dates - i.e. Extract Date (my underlying tables are updated on a daily basis, so the Extract Date soon contains several values).
Is there any way I can set the Page Item to show the latest (MAX) Extract Date when the work book is opened?
Many thanks
MarkHi all
Also, when alternate sorts are in use these will generally trigger Discoverer to add the NOREWRITE hint to the SQL, which can cause horribly slow performance.
I used to use alternate sorts a lot but these days I use them very sparingly. When I want a list of values to come up in a certain order I now use a custom folder and add the ORDER BY in there. This allows the list to come up right when my users are picking and stops the NOREWRITE hint, but it also removes the alternate sorting from the display.
There are other causes for the inclusion of NOREWRITE hint but this is the main one.
Best wishes
Michael -
How to Set Value of page item?
String dimLayoutNew[][] = new String[3][];
dimLayoutNew[0] = new String[1];
dimLayoutNew[1] = new String[1];
dimLayoutNew[2] = new String[2];
dimLayoutNew[0][0] = measureString;
dimLayoutNew[1][0] = strDimension1;
dimLayoutNew[2][0] = strDimension2;
dimLayoutNew[2][1] = strDimension3;
Boolean applyNewLayoutFlag = tableQuery.layout(dimLayoutNew);
In this Layout,How to set the value of strDimension2 page item to one member of strDimension2?
thanks!what about this - look up the javadoc to get more >info ....You would have to admit, while BI Beans are great, the documentation is a little light.
int targetHPos[] = targetDataAccess.getEdgeCurrentHPos (2);
now apply the order to the targethpos as you like...now, once you make your changes to the targetHPos, how does one actually make the change to the Query object (i.e. what method does one need to call to pass the new targetHPos in??) I looked through the JavaDoc and didn't see a SetCurrentHPos or equivalent function in the DataAccess Class. Is there one?
Also, what role, if any, should the SetCurrentPage method of the query object play if I'm not using it correctly? -
List of Values using page item variable
I know there has to be a simple solution to my problem but I cannot figure it out. Any assistance would be greatly appreciated.
I have a Shared list of values that I want to reuse on several of my pages. I have tried (I thought) all the variable possibilities but cannot figure out how to reference the page item in my list of values.
Original code:
select app_name d, app_sys_id f
from ops_application
where :P32_RADIO2 = 'Application'
union
select db_name d, db_id f
from ops_database
where :P32_RADIO2 = 'Database'
Doesn't work:
select app_name d, app_sys_id f
from ops_application
where 'P'||:APP_PAGE_ID||'_RADIO' = 'Application'
union
select db_name d, db_id f
from ops_database
where 'P'||:APP_PAGE_ID||'_RADIO' = 'Database'
I also have tried 'P'||v('APP_PAGE_ID')||'_RADIO'
'P'||&APP_PAGE_ID.||'_RADIO'
'P&APP_PAGE_ID._RADIO'
'P'||:APP_PAGE_ID||'_RADIO'
Thanks,
Gayle
Edited by: user8116955 on Sep 27, 2010 12:25 PMGayle,
I haven't tried this, but what about
where v('P'||:APP_PAGE_ID||'_RADIO') = 'Application'That should allow you to build up the name of the page item dynamically, and then test the value...
A lower-quality solution would be to use an application item rather than a page item, as then you'd know the name ahead of time.
Let me know if this works,
-David -
How to set the default value for page item in report
Hi Gurus
I currently i have company name as page item in one of my report screen ,but it is displaying the value for company name in its drop down column ,but i want to make it "*ALL* as default after the query result ",this is user requirement ,please share ,how can i make it ,is it possible ??,thanx in advance
thanx
PratapHi,
I don't think this is possible. You can of course use a parameter to select the page item and default the parameter but then the user will have to rerun the report to see other pages items.
Rod West
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