How to pass one row of a result set to a cffunction?
I can pass the entire result set of a query to a cffunction,
but the function only needs one row.
The code below is a syntax error, where "3" is array index
notation for the third row of the result set.
What is the correct way to pass one row of a result set to a
cffunction?
Thank you.
iirc, cf does not allow one to reference and access a row of
a resultset
like that.
you will have to create a structure/array that holds the data
from
specific query row and pass that to your function. looping
over
queryname.columnlist list will make it easier and not
specific to any
particular query. make it into another function that accepts
a query and
row number as arguments and returns a struct/array of that
row data (or
automatically passes it to another function).
sample code for creating a structure of specific query row
data:
<cfset rowstruct = {}>
<cfloop list="#queryname.columnlist#" index="col">
<cfset rowstruct[col] = queryname[col][somerownumber]>
</cfloop>
<cfdump var="#rowstruct#">
Azadi Saryev
Sabai-dee.com
http://www.sabai-dee.com/
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Hello Everyone -
I have requirment to add a dummy row in the result set of a SELECT statement.
For e.g. lets say there is a table Payment having following colums:
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Getting specific row of the result set.
table: employee
empno number(20)
ssan varchar2(9)
date_time_stamp date
My Sql gets all the empno where ssan and date_time_stamp are equal.
However I need previous row from max(empno) where ssan & date_time_stamp are equal.
For eg:
empno ssan date_time_stamp
100 123456789 01-FEB-2004
101 000000000 02-FEB-2004
102 123456789 01-FEB-2004
103 123456789 01-FEB-2004
105 123456789 01-FEB-2004
I need row with empno = 103.
My current sql fetches all rows for particular ssan where ssan and date time stamp are equal that fetches all empno for particular ssan and date time stamp. I want the max(empno) -1 (previous row of the result set).
Here is my sql:
select empno,ssan,date_time_stamp
from employee e
where date_time_stamp in (select date_time_stamp from employee where e.ssan = ssan)
order by empno,ssan;
The above sql will fetch
empno ssan date_time_stamp
100 123456789 01-FEB-2004
102 123456789 01-FEB-2004
103 123456789 01-FEB-2004 ---> I need this row, previous row from max(empno) where ssan and date time
stamp are matching.
105 123456789 01-FEB-2004
101 000000000 02-FEB-2004If I understand correctly, you want the second highest empno for each unique combination of ssan and date_time_stamp. If so, given
SQL> SELECT * FROM employee;
EMPNO SSAN DATE_TIME_S
102 123456789 01-feb-2004
103 123456789 01-feb-2004
105 123456789 01-feb-2004
100 123456678 01-feb-2004
102 123456678 01-feb-2004
103 123456678 01-feb-2004
101 000000000 02-feb-2004
105 123456678 01-feb-2004
100 123456678 02-feb-2004
102 123456678 02-feb-2004
103 123456678 02-feb-2004
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100 123456789 01-feb-2004Then something like this should do it.
SQL> SELECT empno,ssan,date_time_stamp
2 FROM (SELECT empno,ssan,date_time_stamp,
3 RANK() OVER (PARTITION BY ssan,date_time_stamp
4 ORDER BY empno DESC) rk
5 FROM employee)
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103 123456678 02-feb-2004
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How to select one row in a table with radio button
Hi all.
I have a VO where there is an attribute (isDefault [String]) that identifies the default record in the view. The possible values are 'Y' for yes and 'N' for no. Obviously only one record can have the 'Y' value.
In my page I have created an ADF Table (with the usual data control drag & drop). I would to transform the default inputText of "isDefault" field with a selectOneRadio component in order to permit the user to select (and save contextually in the DB) the default row of this table.
Can you explain me how? I'm using JDeveloper 11.1.1.4.
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BaduelBaduel wrote:
Cvele,
thanks for your responses. Yes, it's easier to use af:selectBooleanCheckbox but I need that the selection is mutually exclusive (only one row can be selected). >If this is possible also with the boolean checkbox please tell me how.- Let's try with CheckBox :
1. At the ViewObjectImpl level (for example, YourViewObjectImpl), add the following code:
private oracle.jbo.Key currSelectedRowKey = null;
public void doRowSelection(Key newKey) {
// de-select old one
if (currSelectedRowKey != null) {
Row[] rows = findByKey(currSelectedRowKey, 1);
if (rows != null && rows.length > 0)
rows[0].setStatusAsBoolean(Boolean.FALSE); // cast to the appropriate row Impl class if need !
// remember a new selected row key:
currSelectedRowKey = newKey;
}In the ViewRowImpl, in the transient attr settter, do as follows:
public void setStatusAsBoolean(Boolean value) {
setStatus(value.booleanValue() ? ONE : ZERO);
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How just return one row of a one to many join..
So I have a one to many join where the SMOPERATOR table has data I need however it has a couple of rows that match the JOIN condition in there. I just need to return one row. I think this can be accomplished with a subquery in the join however have not been able to come up with the right syntax to do so.
So:
SELECT "NUMBER" as danumber,
NAME,
SMINCREQ.ASSIGNMENT,
SMOPERATOR.PRIMARY_ASSIGNMENT_GROUP,
SMOPERATOR.WDMANAGERNAME,
SMINCREQ.owner_manager_name,
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(CASE WHEN bc_request='f' THEN 'IAIO'
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WHEN (bc_request='t' and substr(assignment,1,3)='MTS') THEN 'M'
ELSE 'U' end) as type
from SMINCREQ
left outer join SMOPERATOR on SMINCREQ.assignment=SMOPERATOR.primary_assignment_group
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AND
(bc_request='f' and subcategory='ACTIVATION' and related_record<>'t')
OR
(bc_request='f' and subcategory<>'ACTIVATION')
OR
(bc_request='t' and substr(assignment,1,3)<>'MTS')
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This sounds like a Top-N Query , where you pick N items (N=1 in this case) off the top of an orderded list. I think you want a separate ordered list for each assignment; the analytic ROW_NUMBER function does that easily.
Since you didn't post CREATE TABLE and INSERT statements for your sample data, I'll use tables from the scott schema to show how this is done.
Say you have a query like this:
SELECT d.dname
, e.empno, e.ename, e.job, e.sal
FROM scott.dept d
JOIN scott.emp e ON d.deptno = e.deptno
ORDER BY dname
;which produces this output:
DNAME EMPNO ENAME JOB SAL
ACCOUNTING 7934 MILLER CLERK 1300
ACCOUNTING 7839 KING PRESIDENT 5000
ACCOUNTING 7782 CLARK MANAGER 2450
RESEARCH 7876 ADAMS CLERK 1100
RESEARCH 7902 FORD ANALYST 3000
RESEARCH 7566 JONES MANAGER 2975
RESEARCH 7369 SMITH CLERK 800
RESEARCH 7788 SCOTT ANALYST 3000
SALES 7521 WARD SALESMAN 1250
SALES 7844 TURNER SALESMAN 1500
SALES 7499 ALLEN SALESMAN 1600
SALES 7900 JAMES CLERK 950
SALES 7698 BLAKE MANAGER 2850
SALES 7654 MARTIN SALESMAN 1250Now say you want to change the query so that it only returns one row per department, like this:
DNAME EMPNO ENAME JOB SAL
ACCOUNTING 7782 CLARK MANAGER 2450
RESEARCH 7876 ADAMS CLERK 1100
SALES 7499 ALLEN SALESMAN 1600where the empno, ename, job and sal columns on each row of output are all taken from the same row of scott.emp, though it doesn't really matter which row that is.
One way to do it is to use the analytic ROW_NUMBER function to assign a sequence of unique numbers (1, 2, 3, ...) to all the rows in each department. Since each sequence startw with 1, and the numbers are unique within a department, there will be exactly one row per departement that was assigned the numebr 1, and we''ll display that row.
Here's how to code that:
WITH got_r_num AS
SELECT d.dname
, e.empno, e.ename, e.job, e.sal
, ROW_NUMBER () OVER ( PARTITION BY d.dname
ORDER BY e.ename
) AS r_num
FROM scott.dept d
JOIN scott.emp e ON d.deptno = e.deptno
SELECT dname
, empno, ename, job, sal
FROM got_r_num
WHERE r_num = 1
ORDER BY dname
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Hi,
There is one import parameter in rfc "zstat" with char type and length 1. I want to pass value equal to one space in this variable during execution of RFC so that it passes the condition in code where it is not initial.
But during runtime it doesnt store value equal to one space and become initial.
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Thanks in Advance!!!
-HarkamalHi!
If it a char type, then its initial value is a SPACE character.
If it confuses the program and you wanted to use it another way, then use numbers (type i - integer). It's initial value is "0".
Or try to use other flag characters, like "T" for true and "F" for false values.
Regards
Tamá -
Passing one row of a query to a function
I want to pass a query into a function one row at a time in
the same way you could pass an array to a function one row at a
time. I've read that queries are just CF structures under the hood
so I believe it should be possible. I just don't know the syntax to
reference a single query row (and all it's variables).
I don't want to pass the whole query to the variable because
I would like to do the looping outside the function. The idea is to
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function simple. Therefore, I'd like to avoid having to do stuff
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Magnus> myQuery.getRow(), but
> using undocumented functions make me nervous.
I absolutely agree, as a standard "caveat emptor" sort of
thing. Which is
a shame because there's a wealth of functionality "under the
hood" which is
far more useful than the "official" approach to things.
To be honest, I treat the whole "that stuff is 'not
supported'" and "it
could change in future versions" thing with a liberal amount
of salt.
1) I didn't find the support from Macromedia very accessible
in the first
place, and have no reason to think it will be any different
with Adobe.
Other than in emergencies (that'd be once, in eight years), I
have never
used official support;
2) I've been watching a lot of the "undocumented" stuff for a
few versions
(like since 6.1), and it all still works;
3) I've had more problem with "fixes" to CFML issues breaking
workarounds
of the same than I have with using undocumented code.
Obviously that's
because I have 1000 lines of "normal" code to every line of
"undocumented"
code I use, but still.
Basically when one changes version of software, there's a
chance your code
will stop working. It doesn't seem any more risky to me to
use
undocumented features than documented ones.
Food for thought, if nothing else.
Adam -
How to write one row of data at a time to "Write to File"
I am trying to write 10 parameters to the LV "Write to File". This is for just one row at a time. This happens evertime I get a failure in my test routine. I am not quite sure how to accomplish this task. If I get another failure I write one row again. I testing 4 DUTS at a time so I write this row of data to each file. I am sure it is very simple.
Thanks
PhilipAssuming your 10 parameters are an numeric array with 10 elements, use "write to spreadsheet" file with append set to true. (... and if they are scalars, built the array first ).
LabVIEW Champion . Do more with less code and in less time . -
How to pass all rows from a VO to PL/SQL API
Hi,
My requirement is to pass all the rows of a View Object (shown on Page as a Table) to PL/SQL API. I am not allowed to pass information row by row using single array (JTF_VARCHAR2_TABLE_200).
How do we pass multidimensional information to the PL/SQL API. Any pointers to this would be welcome.
ThanksSumeet,
sorry for delay in code snippet.
Here is a sample code assuming you want to send 2 attributes name and desc from your VO rows.
I wrote the code during weekend and hence i doubt its working ;)
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,conn
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("XXX_TO_BE_SEND_ROW_TYPE"
,conn
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How to return one ROW with Multiple value seperated by Colon in a SQL Query
Hi,
I have a SQL query as mentioned.
select deptno
from deptI want to mofidfy this query, so that this should return me department list with colon delimeted in one ROW.
10:20:30:40.......Thanks,
DeepakIn 10g:
select rtrim(xmlagg(xmlparse(content deptno || ':')).getstringval(), ':') data
from dept;
DATA
10:20:30:40with apologies for the abuse of XML...
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