subject:"\[firebird\-support\] Cursor not Executing Properly"

[firebird-support] Cursor not Executing Properly

2017-02-17 Thread Vishal Tiwari vishuals...@yahoo.co.in [firebird-support]

Hi All, 
I have created the below cursor on Firbird DB (version 2.5). The update 
statement in below cursor is not updating value.


 
execute block

as  

declare contractno CHAR(20);

declare cur_list_of_contracts cursor for (SelectCU.CONTRACTNO From 
CLASSIC_UPGRADE CU, CONTRACT C where C.CONTRACTNO =CU.CONTRACTNO AND 
C.CONTRACTSTATUS = 'A' AND CU.INSERTDATE > '09/01/2016'AND CU.INSERTDATE < 
'09/10/2016' AND (CU.status = 'authorized' or CU.status= 'Authorized') AND 
C.CONVERT2YRDATE IS NULL  );

 begin

open cur_list_of_contracts;

  while (ROW_COUNT > 0) do

  begin

    fetch cur_list_of_contracts intocontractno;

    UPDATE CONTRACT C

    SET CONVERT2YRDATE = (SELECTCU.INSERTDATE From CLASSIC_UPGRADE CU where 
CU.CONTRACTNO = :contractno)

    where C.CONTRACTNO = :contractno;

 if (ROW_COUNT = 0) then leave;

    suspend;

  end

  close cur_list_of_contracts;

end;


 

 
 The block is getting executed without any errors.


But, the output is not as expected. The records in the table are not getting 
updated.

With Best Regards.
Vishal

Re: [firebird-support] Cursor not Executing Properly

2017-02-17 Thread Svein Erling Tysvær setys...@gmail.com [firebird-support]

I don't use cursors myself, but are you sure "open cur_list_of_contracts;"
is enough to set a value different from 0 for row_count? Maybe you need to
do the first fetch earlier, e.g.

execute block as
  declare contractno CHAR(20);
  declare cur_list_of_contracts cursor for (select CU.CONTRACTNO
from CLASSIC_UPGRADE CU
join CONTRACT C on C.CONTRACTNO
= CU.CONTRACTNO
where C.CONTRACTSTATUS = 'A'
  and CU.INSERTDATE >
'09/01/2016'
  and CU.INSERTDATE <
'09/10/2016'
  and (CU.STATUS in
('authorized', 'Authorized')
  and C.CONVERT2YRDATE IS NULL
);
begin
  open cur_list_of_contracts;
  fetch cur_list_of_contracts into contractno;
  while (ROW_COUNT > 0) do
  begin
UPDATE CONTRACT C
SET CONVERT2YRDATE = (SELECT CU.INSERTDATE From CLASSIC_UPGRADE CU
where CU.CONTRACTNO = :contractno)
where C.CONTRACTNO = :contractno;
if (ROW_COUNT = 0) then leave;
fetch cur_list_of_contracts into contractno;
  end
  close cur_list_of_contracts;
end;

HTH,
Set

2017-02-17 10:04 GMT+01:00 Vishal Tiwari vishuals...@yahoo.co.in
[firebird-support] :

>
>
> Hi All,
>
> I have created the below cursor on Firbird DB (version 2.5). The update
> statement in below cursor is not updating value.
>
> *execute block*
> *as   *
> *declare contractno CHAR(20);*
> *declare cur_list_of_contracts cursor for (Select CU.CONTRACTNO From
> CLASSIC_UPGRADE CU, CONTRACT C where C.CONTRACTNO = CU.CONTRACTNO AND
> C.CONTRACTSTATUS = 'A' AND CU.INSERTDATE > '09/01/2016' AND CU.INSERTDATE <
> '09/10/2016' AND (CU.status = 'authorized' or CU.status = 'Authorized') AND
> C.CONVERT2YRDATE IS NULL  );*
>
> *begin*
> *open cur_list_of_contracts;*
> *  while (ROW_COUNT > 0) do*
> *  begin*
> *fetch cur_list_of_contracts into contractno;*
> *UPDATE CONTRACT C*
> *SET CONVERT2YRDATE = (SELECT CU.INSERTDATE From CLASSIC_UPGRADE CU
> where CU.CONTRACTNO = :contractno)*
> *where C.CONTRACTNO = :contractno;*
>
> *if (ROW_COUNT = 0) then leave;*
> *suspend;*
> *  end*
> *  close cur_list_of_contracts;*
> *end;*
>
>
> The block is getting executed without any errors.
>
> But, the output is not as expected. The records in the table are not
> getting updated.
>
>
> With Best Regards.
>
> Vishal
>
>
> 
>

Re: [firebird-support] Cursor not Executing Properly

2017-02-17 Thread Vishal Tiwari vishuals...@yahoo.co.in [firebird-support]

Hey Hi SET, le me Have a look.
How are You Sir? :)
Quite not seen from long time... :)
Thanks a Ton again... 

On Friday, 17 February 2017 4:21 PM, "Svein Erling Tysvær 
setys...@gmail.com [firebird-support]"  wrote:
 

     I don't use cursors myself, but are you sure "open cur_list_of_contracts;" 
is enough to set a value different from 0 for row_count? Maybe you need to do 
the first fetch earlier, e.g.
execute block as                                    declare contractno 
CHAR(20);  declare cur_list_of_contracts cursor for (select CU.CONTRACTNO       
                                      from CLASSIC_UPGRADE CU                   
                          join CONTRACT C on C.CONTRACTNO = CU.CONTRACTNO       
                                      where C.CONTRACTSTATUS = 'A'              
                                and CU.INSERTDATE > '09/01/2016'                
                              and CU.INSERTDATE < '09/10/2016'                  
                             and (CU.STATUS in ('authorized', 'Authorized')     
                                          and C.CONVERT2YRDATE IS NULL );begin  
open cur_list_of_contracts;  fetch cur_list_of_contracts into contractno;  
while (ROW_COUNT > 0) do  begin    UPDATE CONTRACT C    SET CONVERT2YRDATE = 
(SELECT CU.INSERTDATE From CLASSIC_UPGRADE CU where CU.CONTRACTNO = 
:contractno)    where C.CONTRACTNO = :contractno;    if (ROW_COUNT = 0) then 
leave;    fetch cur_list_of_contracts into contractno;  end  close 
cur_list_of_contracts;end;
HTH,Set
2017-02-17 10:04 GMT+01:00 Vishal Tiwari vishuals...@yahoo.co.in 
[firebird-support] :

 

Hi All, 
I have created the below cursor on Firbird DB (version 2.5). The update 
statement in below cursor is not updating value. execute blockas
   declare contractno CHAR(20);declare cur_list_of_contracts 
cursor for (SelectCU.CONTRACTNO From CLASSIC_UPGRADE CU, CONTRACT C where 
C.CONTRACTNO =CU.CONTRACTNO AND C.CONTRACTSTATUS = 'A' AND CU.INSERTDATE > 
'09/01/2016'AND CU.INSERTDATE < '09/10/2016' AND (CU.status = 'authorized' or 
CU.status= 'Authorized') AND C.CONVERT2YRDATE IS NULL  ); beginopen 
cur_list_of_contracts;  while (ROW_COUNT > 0) do  begin    fetch 
cur_list_of_contracts intocontractno;    UPDATE CONTRACT C    SET 
CONVERT2YRDATE = (SELECTCU.INSERTDATE From CLASSIC_UPGRADE CU where 
CU.CONTRACTNO = :contractno)    where C.CONTRACTNO = :contractno; if 
(ROW_COUNT = 0) then leave;    suspend;  end  close cur_list_of_contracts;end;  
 The block is getting executed without any errors.
But, the output is not as expected. The records in the table are not getting 
updated.

With Best Regards.
Vishal



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[firebird-support] Cursor not Executing Properly

Re: [firebird-support] Cursor not Executing Properly

Re: [firebird-support] Cursor not Executing Properly

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