Parametrized query with output from sql
Hey all,
has anyone figure out how to use the database connectivity toolset to perform a parameterized query with outputs (SQL)? From the other threads that i have read it would seem that this issue is not resolved. The error i get is:
Error -2147467259 occurred at Cmd Execute.vi->getjobID.vi
Possible reason(s):
Exception occured in Microsoft OLE DB Provider for ODBC Drivers: [MySQL][ODBC 3.51 Driver][mysqld-5.0.50sp1a-enterprise-gpl-log]OUT or INOUT argument 3 for routine eln.lv_caperJob_create is not a variable or NEW pseudo-variable in BEFORE trigger in Rec Create - Command.vi->Cmd Execute.vi->getjobID.vi
However, In Toad for mysql the following call works:
set @outJobID=-999;
set @outMsg="";
call lv_caperJob_create('TestJune30_2', '207', @outJobID, @outMsg);
select @outJobID, @outMsg
Attached is the LV code i am using. Thanks!
Attachments:
db code.JPG 50 KB
Your first approach gave you an error because it took the ? parameter inside the '%?%' string and treated it as whole string as '%?%'. As you set the parameter, it did not understood where it need to insert the parameter.
Your second approach is pretty much OK, only problem is you are trying to set the parameter with a string and aging creating the string while setting the parameter.
The solution will be to create the whole string before setting the parameter and set the created String as parameter on the query something like this.
String parameter = "%"+searchString+"%";
Then set the parameter string to the query.
Thanks
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--A
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from javax.swing.tree import *
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, [6, '/fruits/oranges', '/fruits', 3]
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, [8, '/colors/blue', '/colors', 3]
, [9, '/sports/petanc', '/sports', 3]
, [10, '/sports/rugby', '/sports', 3]
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Converts row-based results to hierarchical structure.
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self.nodes.append(node)
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if self.fdn == node.parentfdn:
self.add(node)
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for child in self.nodes:
child.addEx(node)
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I need help with an query that should generate the "FROM" clause dynamically.
My main query is as follows
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where DT_SKEY between 20110601 and 20110719
group by DT_SKEY
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order by 1; The "from" clause of the above query should be generated as below
select 'Schema_Name'||'.'||TABLE_NAME
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rogers42Hi,
rogers42 wrote:
Hi Folks,
I need help with an query that should generate the "FROM" clause dynamically.
My main query is as follows
select DT_SKEY, count(*)
from *???*
where DT_SKEY between 20110601 and 20110719
group by DT_SKEY
having count(*) = 0
order by 1; The "from" clause of the above query should be generated as below
select 'Schema_Name'||'.'||TABLE_NAME
from dba_tables
where OWNER = 'Schema_Name'
Remember that anything inside quotes is case-sensitive. Is the owner really "Schema_Name" with a capital S and a capital N, and 8 lower-case letters?
Simply sticking the later query in the first query does not work.Right; the table name must be given when you compile the query. It's not an expression that you can generate in the query itself.
Any pointers will be appreciated.In SQL*Plus, you can do something like the query bleow.
Say you want to count the rows in scott.emp, but you're not certain that the name is emp; it could be emp_2011 or emp_august, or anything else that starts with e. (And the name could change every day, so you can't just look it up now and hard-code it in a query that you want to run in the future.)
Typically, how dynamic SQL works is that some code (such as a preliminary query) gets some of the information you need to write the query first, and you use that information in a SQL statement that is compiled and run after that. For example:
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COLUMN my_table_name_col NEW_VALUE my_table_name
SELECT table_name AS my_table_name_col
FROM all_tables
WHERE owner = 'SCOTT'
AND table_name LIKE 'E%';
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SELECT COUNT (*) AS cnt
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ELSE
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END IF;
END IF;
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BEGIN
nom_rep := 'tdvenrli1577.rep';
nom_arch := 'c:\windows\temp\RepCobranzaPlanos' || TO_CHAR(fec, 'ddmmyyyy') || '.xls';
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BEGIN
nom_rep := 'tdvenrli1578.rep';
nom_arch := 'c:\windows\temp\RepCobranzaLargos' || TO_CHAR(fec, 'ddmmyyyy') || '.xls';
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BEGIN
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nom_rep := 'tdvenrli1576.rep';
nom_arch := 'c:\windows\temp\RepCobranzaDetallados' || TO_CHAR(fec, 'ddmmyyyy') || '.xls';
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BEGIN
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nom_arch := 'c:\windows\temp\RepCobranzaTodos' || TO_CHAR(fec, 'ddmmyyyy') || '.xls';
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Add_Parameter(pl_id,'DESNAME',TEXT_PARAMETER, nom_arch);
standard.commit;
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Code for version 10g
PROCEDURE GUARDAREXCEL IS
pl_id ParamList;
nom_rep varchar2(20);
cla_rep varchar2(20);
cod_dis varchar2(4);
nom_arch varchar2(100);
fec date;
--byt12122007.sn
repid REPORT_OBJECT;
vURL VARCHAR2(500);
rep_status VARCHAR2(20);
vJobID VARCHAR2(100);
v_rep VARCHAR2(100);
VAR NUMBER;
w_name_repserv VARCHAR2(30);
--byt1212007.en
BEGIN
--w_name_repserv:=F_OBTIENE_SERVREP;
w_name_repserv:='repserv';
pl_id := Get_Parameter_List('mytmp_params');
IF NOT Id_Null(pl_id) THEN
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END IF;
pl_id := Create_Parameter_List('mytmp_params');
IF :BK_PARAMETROS.LI_COD_DIS IS NOT NULL THEN
cod_dis := :BK_PARAMETROS.LI_COD_DIS;
END IF;
IF :BK_PARAMETROS.TI_COD_CLI IS NOT NULL THEN
Add_Parameter(pl_id,'P_COD_CLI',TEXT_PARAMETER,:BK_PARAMETROS.TI_COD_CLI||'%');
ELSE
Add_Parameter(pl_id,'P_COD_CLI',TEXT_PARAMETER,'%');
:BK_PARAMETROS.TI_COD_CLI:='%';
END IF;
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cla_rep := '001';
ELSE
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cla_rep := '002';
ELSE
IF :BK_PARAMETROS.CLAS_REP=3 THEN
cla_rep := '003';
ELSE
cla_rep := '004';
END IF;
END IF;
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Add_Parameter(pl_id,'P_FECHA',TEXT_PARAMETER,to_char(:BK_PARAMETROS.FECFIN, 'DD/MM/YYYY'));
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Add_Parameter(pl_id,'MODE',TEXT_PARAMETER,'Character');
Add_Parameter(pl_id,'DESFORMAT',TEXT_PARAMETER,'DELIMITED' );*/
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repid := find_report_object('tdvenrli1577');
--nom_rep := 'tdvenrli1577.rep';
nom_arch := 'c:\windows\temp\RepCobranzaPlanos' || TO_CHAR(fec, 'ddmmyyyy') || '.xls';
SET_REPORT_OBJECT_PROPERTY(repid, REPORT_FILENAME,'tdvenrli1577');
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BEGIN
repid := find_report_object('tdvenrli1578');
--nom_rep := 'tdvenrli1578.rep';
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SET_REPORT_OBJECT_PROPERTY(repid, REPORT_FILENAME,'tdvenrli1578');
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repid := find_report_object('tdvenrli1576');
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--nom_rep := 'TDVENRLI1545.REP';
nom_arch := 'c:\windows\temp\RepCobranzaTodos' || TO_CHAR(fec, 'ddmmyyyy') || '.xls';
SET_REPORT_OBJECT_PROPERTY(repid, REPORT_FILENAME,'tdvenrli1545');
END;
END IF;
--Add_Parameter(pl_id,'DESNAME',TEXT_PARAMETER,nom_arch );
--Add_Parameter(pl_id,'DESNAME',TEXT_PARAMETER, nom_arch);
standard.commit;
SET_REPORT_OBJECT_PROPERTY(repid, REPORT_DESNAME,nom_arch);
SET_REPORT_OBJECT_PROPERTY(repid, REPORT_COMM_MODE, SYNCHRONOUS);
SET_REPORT_OBJECT_PROPERTY(repid, REPORT_EXECUTION_MODE, RUNTIME);
SET_REPORT_OBJECT_PROPERTY(repid, REPORT_DESTYPE, 'File');
SET_REPORT_OBJECT_PROPERTY(repid, REPORT_DESFORMAT, 'DELIMITED');
SET_REPORT_OBJECT_PROPERTY(repid, REPORT_SERVER, w_name_repserv);
SET_REPORT_OBJECT_PROPERTY(repid, REPORT_OTHER, 'paramform=no');
v_rep := RUN_REPORT_OBJECT(repid, pl_id);
rep_status := REPORT_OBJECT_STATUS(v_rep);
WHILE rep_status IN ('RUNNING','OPENING_REPORT','ENQUEUED') LOOP
rep_status:= report_object_status(v_rep);
END LOOP;
IF rep_status = 'FINISHED' THEN
vJobID := SUBSTR(v_rep, INSTR(v_rep, '_', -1)+1);
vURL:='/reports/rwservlet/getjobid'||vJobID||'?'||'server='||w_name_repserv;
END IF;
WEB.SHOW_DOCUMENT(vURL, '_blank');
IF NOT form_success THEN
MESSAGE('Error: PL/SQL held against Button failed to execute');
RAISE FORM_TRIGGER_FAILURE;
END IF;
/*Run_Product(REPORTS, nom_rep, SYNCHRONOUS, runtime, FILESYSTEM, pl_id,'');
EXCEPTION WHEN Run_Product_Failure THEN
message('Error');*/
END;There are two problems with your VI. First, the basic logic of writing/appending to a file (Excel, TDMS, anything) should go something like this: Open the file, position yourself at the end of the file, then, in the loop, acquire data and write it to the file until you are finished with data acquisition. When you exit the acquire/write to file loop, then close the file. In particular, the opening and the closing of the file should not be inside the loop.
As others have pointed out, writing to Excel might not be optimal, particularly if you are acquiring data at a high rate (and would therefore be writing a lot of data). We actually use Excel in our data acquisition routine, mainly reading from a WorkSheet to get the parameters of a particular stimulus, but also writing the outcome of the response to the stimulus. As it happens, our "acquisition rate" in this example is on the order of several samples per minute, so there's no problem using Excel (we also sample 16 channels of analog data at 1 KHz -- this gets written as a binary file).
Second, if you really do want to use Excel, use the (existing) Excel file to which you want to append as the "template" argument of the New Report function. Then use the Excel Get Last Row function to position yourself at "end of file", as noted above.
Good Luck.
Bob Schor
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