Multiple clobs in a single row of data
I have several clobs in a single row of data and have created a procedure where I attempt to display the first 4k of each clob.
using a for loop cursor I select all of the clobs in a row at the same time and then I use dbms_lob.read to get the first 4k of data.
For the first lob of each row everything works fine but when I attempt to dbms_lob.read the second one I get an "ORA-06502: PL/SQL: numeric or value error: invalid LOB locator specified: ORA-22275" and I'm not sure why?
does anyone know of an example where two or more clobs are selected and then converted to 4K varchars?
sample columns for the table:
SPECIALREQUIREMENTSS CLOB
REFERENCERANGE CLOB
ALERTVALUE CLOB
REFERENCELAB VARCHAR2(50 CHAR)
TESTINCLUDES CLOB
LASTUPDATE DATE
sample code (I removed some code for clairity - this produces the same error):
create or replace
procedure test_lobs as
v_lab_blob blob;
v_lobamt binary_integer := 32767;
v_lobpos pls_integer := 1;
v_labrec labman.lab_testingdata%rowtype;
v_buffer varchar2(32767) :='';
v_start_left number;
begin
-- *** housekeeping
dbms_lob.createtemporary(v_labrec.testincludes,TRUE);
dbms_lob.createtemporary(v_labrec.specialrequirementss,TRUE);
Plpdf.init;
Plpdf.NewPage;
Plpdf.SetColor4Drawing(66,66,66);
Plpdf.SetColor4Filling(180,180,180);
v_start_left := Plpdf.GetPageWidth-Plpdf.GetPageRightSpace;
-- *** select the test name for shaded printing
for x in (select indexnumber, test from labman.lab_testingdata where test like 'A%') loop
-- *** select the test data for printing
select * into v_labrec from labman.lab_testingdata where indexnumber = x.indexnumber;
-- *** test includes
if dbms_lob.getlength(v_labrec.testincludes) > 0 or v_labrec.testincludes is not null then
Plpdf.SetPrintFont('Arial','B',8);
Plpdf.LineBreak(.1);
Plpdf.PrintCell(25,5,'Test Includes:',0,0,'R',0,null,0);
Plpdf.SetPrintFont('Arial',null,8);
if dbms_lob.getlength(v_labrec.testincludes) > 32767 then
v_buffer := '*** error - text is greater than 32k ***';
else
v_lobamt := 32767;
v_buffer := '';
dbms_lob.read(v_labrec.testincludes,v_lobamt,v_lobpos,v_buffer);
end if;
Plpdf.SetLeftMargin(Plpdf.GetCurrentX);
Plpdf.PrintFlowingText(5,v_buffer,null,0);
Plpdf.SetLeftMargin(v_start_left);
Plpdf.lineBreak;
end if;
-- *** special requirements
Plpdf.SetPrintFont('Arial','B',8);
Plpdf.LineBreak(.1);
Plpdf.PrintCell(25,5,'Special Requirements:',0,0,'R',0,null,0);
Plpdf.SetPrintFont('Arial',null,8);
if dbms_lob.getlength(v_labrec.specialrequirementss) > 32767 then
v_buffer := '*** error - text is greater than 32k ***';
elsif dbms_lob.getlength(v_labrec.specialrequirementss) = 0 then
v_buffer := '';
else
v_lobamt := 32767;
v_buffer := '';
dbms_lob.read(v_labrec.specialrequirementss,v_lobamt,v_lobpos,v_buffer);
end if;
Plpdf.SetLeftMargin(Plpdf.GetCurrentX);
Plpdf.PrintFlowingText(5,v_buffer,null,0);
Plpdf.SetLeftMargin(v_start_left);
Plpdf.lineBreak;
commit;
end loop;
Plpdf.SendDoc(v_lab_blob);
-- store the PDF document
delete from store_blob;
commit;
INSERT INTO STORE_BLOB (blob_file, created_date)
VALUES (v_lab_blob, SYSDATE);
COMMIT;
end test_lobs;
didn't think that checking for a length of zero and null would produce two different results - should have known better.
Thanks for your help!
elsif dbms_lob.getlength(v_labrec.specialrequirementss) = 0
or v_labrec.specialrequirementss is null then
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Hi, I require help for the exception "java.security.UnrecoverableKeyException: excess private key" When i am trying to generate digital signature using PKCS7 format using bouncyCastle API, it gives the "java.security.UnrecoverableKeyException: excess
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Server explorer 2.4.1 applicatio​n not responding
"open OPC project" button in Server Explorer 2.4.1 force to finish it with Windows Task Manager (end task), even after to reinstall (repair or remove-install again). It could be a problem with windows 2000?
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Can't get computer to see galaxy note 3 hard drive?
can't get computer to see galaxy note 3 hard drive?
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Change shits of employee on Adhoc basis
Hi, In OTL we define shits, work plan, rotation plan and then assign that plan to employee. Till yet, to me it seems like it isnt (or I dont know how). because if i need to change an assigned shift in a plan then i need to disturb/or create new work