Help With SUBSTR in dynamic SQL statement

Following is the dynamic SQL statement.
EXECUTE IMMEDIATE 'UPDATE table_name pml
SET pml.'|| con_fields.field ||' = SUBSTR(pml.'||con_fields.field||' ||'' ''||
(SELECT pml1.'||con_fields.field||'
FROM table_name pml1
WHERE pml1.grp_id = '||los_concats.grp_id ||'
AND pml1.row_id = '||los_concats.row_id||'
AND pml1.loser_flg = ''Y''),1, '||con_fields.max_length||')
WHERE pml.grp_id = '||los_concats.grp_id ||'
AND pml.loser_flg IS NULL ';
what it does is that it updates a particular field. This field is concatenated by a field of a similar record.
My problem is with SUBSTR function. Since I am concatenating fields I do not want the field to be updated greater than max_length on that field, the reason why I use SUBSTR. the select query inside SUBSTR works alright with one of the AND condition in a WHERE clause not present. When I add that additional condition it gives me this error.
ORA-00907: missing right parenthesis.
Is there any way to get around this problem. Does SQL has other than SUBSTR function which can limit the character length.
Appreciate it.

The other alternative I thought about was to do this first
EXECUTE IMMEDIATE 'SELECT pml.'||con_fields.field||'
FROM table_name pml
WHERE pml.grp_id = '||los_concats.grp_id||'
AND pml.row_id = '||los_concats.row_id||'
AND pml.loser_flg = ''Y''
' INTO v_concat_field;
write into the variable v_concat_field and then use it into the previous script.
But on this I get SQL Command not properly terminated, I don't get it Why?
Donald I tried with your suggested script. It works fine with one of the conditions eliminated. I don't understand what the error trying to say?
Thanks

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Help with a very slow sql statement

Hi this statement takes 10 seconds to run and is run a lot, can anyone help me speed it up.
Each section in itself is quick but when i add the IN section it slows down, probably because there is 20291 rows in the view v_allitems.
anyone know how i can speed up?
select ITEMTYPE,
ITEMID,
NOTESID,
NOTES,
DUEDATE,
OPENDATE,
SUBJECT,
TYPE,
STATUS,
OWNER,
CREATEBY,
CREATEDATE,
ITEMCODE
FROM v_allitems
where
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|| pcchild item
FROM afpc
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AND pcparentcode = prior pcchildcode START
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FROM afpc
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AND pcchildcode = 'ACT'
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Something to just try i guess (wild guessing here).
WITH
   itemcodes AS
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      DISTINCT ItemCode
   FROM
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      FROM DUAL
         UNION ALL
         SELECT pcchildcode || ',' || pcchild item AS ItemCode
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         START WITH pcparent       = 232
         AND         pcparentcode   = 'CAS'
            UNION ALL
         SELECT pcparentcode || ',' || pcparent item AS ItemCode
         FROM afpc
         CONNECT BY pcchild     = prior pcparent
         AND         pcchildcode = prior pcparentcode
         START WITH pcchild     = 4264
         AND         pcchildcode = 'ACT'
SELECT
   v.ITEMTYPE,
   v.ITEMID,
   v.NOTESID,
   v.NOTES,
   v.DUEDATE,
   v.OPENDATE,
   v.SUBJECT,
   v.TYPE,
   v.STATUS,
   v.OWNER,
   v.CREATEBY,
   v.CREATEDATE,
   v.ITEMCODE
FROM v_allitems v, itemcodes i
WHERE v.ItemCode = i.ItemCode;Assuming (probably a good assumption) that's not good, how long does this query take to finish for you?
         SELECT pcchildcode || ',' || pcchild item AS ItemCode
         FROM afpc
         CONNECT BY pcparent       = prior pcchild
         AND         pcparentcode   = prior pcchildcode
         START WITH pcparent       = 232
         AND         pcparentcode   = 'CAS'
            UNION ALL
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         CONNECT BY pcchild     = prior pcparent
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Help with a really simple SQL statement

Hi All
I'm relatively new to SQL and can't get my head round what I believe to be a really simple problem.
I have a table I want to query called locations. We use locations to mean groups and regions as well as people s ofr example:
TABLE: LOCATION
IDENTIFIER----------NAME-----------------PART_OF
101--------------------USER A---------------123
123--------------------GROUP A-------------124
etc
What I'm trying to write is a statement that will return the 'PART_OF' as the 'NAME' rather than the ID number if the ID = 101.
I was wondering if a nested select statement would do (select as select etc) but just can't get my head round it!
Any ideas?
TIA. Jake.

Hi Jake,
It's not clear what you are looking for. If USER A is just Part of GROUP A, a self-join will do:
SQL> with loc as (select 101 locid, 'USER A' locname, 123 part_of from dual
             union all
             select 123 locid, 'GROUP A' locname, 124 part_of from dual
             union all
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-- End of test data
select l1.locid, l1.locname, l2.locname part_of
from loc l1, loc l2
where l2.locid(+) = l1.part_of
     LOCID LOCNAME PART_OF
       101 USER A   GROUP A
       123 GROUP A REGION A
       124 REGION A
3 rows selected.But if you want USER A to be part of REGION A, then you need a hierarchia lquery:
SQL> with loc as (select 101 locid, 'USER A' locname, 123 part_of from dual
             union all
             select 123 locid, 'GROUP A' locname, 124 part_of from dual
             union all
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-- End of test data
select l1.locid, l1.locname, connect_by_root(locname) part_of
from loc l1
start with part_of is null
connect by prior locid = part_of
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       124 REGION A REGION A
       123 GROUP A REGION A
       101 USER A   REGION A
3 rows selected.Regards
Peter

Help with Group By on SQL statement

Iu2019m trying to group by Item Code in the following query, however, I keep receiving the following error message. Do you know why?
Msg 306, Level 16, State 2, Line 1
The text, ntext, and image data types cannot be compared or sorted, except when using IS NULL or LIKE operator.
SELECT            dbo.OQUT.DocNum,
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                  dbo.OQUT.U_QuoteDesc,
                  dbo.OQUT.U_RevQuote,
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Dear,
As per your message you mentioned that u r getting following error "
The text, ntext, and image data types cannot be compared or sorted, except when using IS NULL or LIKE operator."
The error is due to group by of a field whose type is text,ntext.....
if it is text or ntext just replace that field
Convert(varchar(100),fieldName)...
Hope it will help you....
Regards
Sanjay

How can I execute Dynamic SQL statement in Forms?

Hi All,
I have to execute dynamic SQL statement from Forms
Below statement I have to execute
"EXECUTE IMMEDIATE v_stmt INTO v_return;".
Googled for the same got results saying, Better use Database function or procedures to execute these Dynamic Statements but We want to execute in forms only.
Can any one help me..
Thanks,
Madhu

So in short you are trading code obfuscation for maintainability and the ability to share code between tools? If from somewhere else you need a procedure already implemented in database PL/SQL (and now ported to forms) this would mean you'd need to implement it in every other tool. In times where you might want to integrate your forms with $other_technology and putting stuff on the database is the first step to share functionality you just go the opposite way? And all that because someone is afraid that somebody might steal your source code? I am sorry to be blunt, but this is just plain stupid.
Leaving aside that some things like Analytic Functions, Bulk processing or execute immediate are not even available in forms your software consists of how many LOC? How long does it take to bring a new developer up to speed with your source code? Imagine how long that would take for a developer who doesn't have coleagues who know their way around.
And just so you know: I work for a ISV selling a closed-source product as well. We have 200+ customers all over the planet. We are well aware that wrapped packages can be reverse engineered. The premise is: stored procedures can be reused in every tool we have, if it makes sense to put stuff on the database by all means do it. If someone would want to reverse engineer our software I'd wish him good luck as some parts are implemented in such a hilarious complicated way I have troubles understanding them (and quite frankly I refuse to understand certain parts, but that's another story). I do work for almost 10 years for that ISV.
In any case the possible solutions have already been mentioned: you have exec_sql, create_group_from_query and forms_ddl to execute dynamic SQL in forms whereas forms_ddl is a one way street and most certainly not the thing you need or want. Take a look at the documentation for the other 2 things.
cheers

Preparing Dynamic SQL statement for inserting in Pro*C

Hi Friends,
From quite some time i am struggling writing Dynamic SQL statement for dynamic insert and update in Pro*C.
Can somebody go through my code and suggest me the rigth way of doing.
Right now it throws an error saying " Error while updating ORA-00904: invalid column name "
Please help me.
Girish.
int main()
EXEC SQL BEGIN DECLARE SECTION;
char *uid ="scott/tiger";
static char sqlstmt[129];
struct /* DEPT record */
int dept_num;
char dept_name[15];
char location[14];
} dept_rec;
EXEC SQL END DECLARE SECTION;
EXEC SQL WHENEVER SQLERROR DO sql_error();
EXEC SQL CONNECT :uid;
dept_rec.dept_num = 50;
strcpy(dept_rec.dept_name,"ADMIN");
strcpy(dept_rec.location,"IN");
strcpy(sqlstmt,"UPDATE dept set DNAME = dept_rec.dept_name where DEPTNO = dept_rec.dept_num");
EXEC SQL EXECUTE IMMEDIATE:sqlstmt;
EXEC SQL COMMIT;
exit(0);
void sql_error()
printf("\nError while updating %s",sqlca.sqlerrm.sqlerrmc);
EXEC SQL ROLLBACK;
}

A bit rusty here but this is how I see it.
Think of it this way ..
all Oracle is going to see is:
UPDATE dept set DNAME = dept_rec.dept_name where DEPTNO = dept_rec.dept_num
Its NOT going to know what dept_rec.dept_name is or dept_rec.dept_num is ..
it doesnt go back and fill in those values.
You need something like
strcpy(sqlstmt,"UPDATE dept set DNAME = \"");
strcat(sqlstmt,dept_rec.dept_name);
strcat(sqlstmt,"\" where DEPTNO = ");
strcat(sqlstmt,dept_rec.dept_num);
printf(sqlsmt); # Just to be sure the update statement look right during testing.

How can I open a cursor for dynamic sql statement

Hi,
I'm facing issues opening a cursor for dynamic sql statement : PLS-00455: cursor 'RESULT1' cannot be used in dynamic SQL OPEN statement.
CREATE OR REPLACE FUNCTION DEMO
(MN_I in VARCHAR)
return AB_OWNER.ABC_Type.NonCurTyp is
RESULT1 AB_OWNER.ABC_Type.NonCurTyp;
sql_stmt VARCHAR2(4000);
BEGIN
sql_stmt := 'SELECT * FROM AB_OWNER.DUN WHERE JZ_I in ('||mn_i||') ORDER BY app.ACC_I';
OPEN RESULT1 FOR sql_stmt;
END IF;
return RESULT1;
END DEMO;
What changes should I make in the code so that it doesn't fail? I can't change the definition of RESULT1 cursor though.

Gangadhar Reddy wrote:
I used SYS REFCURSOR and was able to implement successfully.How many times did you run this successful implementation that does not use bind variables?
Because this is what will happen when it runs a lot.
http://download.oracle.com/docs/cd/E11882_01/server.112/e17766/e2100.htm#sthref1874
http://forums.oracle.com/forums/search.jspa?q=%2BORA-04031%20%2Bbind&objID=c84&dateRange=all&rankBy=10001&start=30
And you will have to regularly restart the server, or possibly slightly less invasive, flush the shared pool.
Flushing Shared Pool regularly
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:1516005546092
>
Ok, this is an easy one to diagnose.
You are not using bind variables. This is terrible. Flushing the shared pool is a bad
solution -- you are literally killing the performance on your box by not using them.
If I was to write a book on how to build non scalable applications in Oracle, this
would be the first and last chapter. This is a major cause of performance issues and a
major inhibitor of scalability in Oracle. The way the Oracle shared pool (a very
important shared memory data structure) operates is predicated on developers using bind
variables. If you want to make Oracle run slowly, even grind to a total halt just
refuse to use them.
>
But, please feel free to go ahead with this successful implementation.
I just hope anyone else who reads this doesn't make the same mistake.

I need help with this code error "unreachable statement"

the error_
F:\Java\Projects\Tools.java:51: unreachable statement <-----------------------------------------------------------------------------------------------------------------THIS
int index;
^
F:\Java\Projects\Tools.java:71: missing return statement
}//end delete method
^
F:\Java\Projects\Tools.java:86: missing return statement
}//end getrecod
^
3 errors
import java.util.*;
import javax.swing.*;
import java.awt.*;
public class Tools//tool class
private int numberOfToolItems;
private ToolItems[] toolArray = new ToolItems[10];
public Tools()//array of tool
numberOfToolItems = 0;
for(int i = 0; i < toolArray.length; i++)//for loop to create the array tools
toolArray[i] = new ToolItems();
}//end for loop
}//end of array of tools
public int search(int id)//search mehtod
int index = 0;
while (index < numberOfToolItems)//while and if loop search
if(toolArray[index].getID() == id)
return index;
else
index ++;
}//en while and if loop
return -1;
}//end search method
public int insert(int id, int numberInStock, int quality, double basePrice, String nm)//insert method
if(numberOfToolItems >= toolArray.length)
return 0;
int index;
index = search(id); <-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------HERE
if (index == -1)
toolArray[index].assign(id,numberInStock, quality, basePrice,nm);
numberInStock ++;
return 1;
}//end if index
}//end if toolitem array
return -1;
}//end insert method
public int delete(/*int id*/)//delete method
}//end delete method
public void display()//display method
for(int i = 0; i < numberOfToolItems; i++)
//toolArray.display(g,y,x);
}//end display method
public String getRecord(int i)//get record method
// return toolArray[i].getName()+ "ID: "+toolArray[i].getID()
}//end getrecod
}//end class
Edited by: ladsoftware on Oct 9, 2009 6:08 AM
Edited by: ladsoftware on Oct 9, 2009 6:09 AM
Edited by: ladsoftware on Oct 9, 2009 6:10 AM
Edited by: ladsoftware on Oct 9, 2009 6:11 AM

ladsoftware wrote:
Subject: Re: I need help with this code error "unreachable statement"
F:\Java\Projects\Tools.java:51: unreachable statement <-----------------------------------------------------------------------------------------------------------------THIS
int index;
^
F:\Java\Projects\Tools.java:71: missing return statement
}//end delete method
^
F:\Java\Projects\Tools.java:86: missing return statement
}//end getrecod
^
3 errorsThe compiler is telling you exactly what the problems are:
public int insert(int id, int numberInStock, int quality, double basePrice, String nm)//insert method
if(numberOfToolItems >= toolArray.length)
return 0; // <<== HERE you return, so everyting in the if block after this is unreachable
int index;
index = search(id); //< -----------------------------------------------------------------------------------------------------------------HERE
if (index == -1)
toolArray[index].assign(id,numberInStock, quality, basePrice,nm);
numberInStock ++;
return 1;
}//end if index
}//end if toolitem array
return -1;
}//end insert method
public int delete(/*int id*/)//delete method
// <<== HERE where is the return statement?
}//end delete method
public String getRecord(int i)//get record method
// return toolArray.getName()+ "ID: "+toolArray[i].getID() <<== HERE you commented out the return statement
}//end getrecod
}//end class

Concatenate problem for Dynamic SQL statements

Hi Experts ,
I am building Dynamic SQL statements depending on the values which the user enters into the select option parameters .This dynamic query is passed to cl_sql_connection object for querying from another databasse
So i wrote dynamic values for one select option spointof for the database field ppointofdelivery.
loop at spointof.
CONCATENATE ' pointofdelivery between ''' spointof-low''''
' AND ''' spointof-high''''
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endloop.
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This works fine . But my problem is I have to pass the fieldnames and operator dynamically into where_clause depending on User input.
when i am writing code like the below
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operator = '='.
CONCATENATE field_name operator '''spointof-low''' INTO where_clause .
the where_clause contains value
pointofdelivery = ' spointof-low '
and not pointofdelivery = ' 123 ' as expected .
Do you know why this is haapening as it is not taking the value.
Thanks
Arshad

Hi,
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check the FM FREE_SELECTIONS_RANGE_2_WHERE
Thanks
Naren

Dynamic SQL Statement with table name

Dear all
i like to have a SQL statement with a dynamic tablename. Is this possible? If yes, how?
should be something like "select * from <mytablename>"
Thank you
Herbert

Yes this is possible. use the below reference code for this.
data: g_tablename type w_tabname,
gv_dref TYPE REF TO data.
FIELD-SYMBOLS: <g_itab> TYPE STANDARD TABLE.
gv_tabname = p_tablename (take table name form selection screen or as per ur requirement)
CREATE DATA gv_dref TYPE TABLE OF (g_tabname).
ASSIGN gv_dref->* TO <g_itab>.
now use the below select query to fetch the data
SELECT * FROM (gv_tabname) INTO TABLE <g_itab>.
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Dynamic SQL Statements with an JDBC Adapter

Hello,
i have a simple scenario:
A WebService calls SAP XI and XI has convert this request into an dynamic SQL for a particular DB-Table.
Two Questions:
1. Can this done with an JDBC-Receiverchannel or do i have to write a Java Server-Proxy?
2. How do i bring dynamic SQL Stratement into the JDBC Receiver-Adapter?
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Gunnar

I think you should be able to achieve this using the SQL_QUERY / SQL_DML action in the JDB receiver adapter...
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see the help link on different document types with JDBC receiver adapater....look for statement6...
http://help.sap.com/saphelp_nw04/helpdata/en/2e/96fd3f2d14e869e10000000a155106/frameset.htm
<StatementName6>
<anyName action= SQL_QUERY | SQL_DML>
<access>SQL-String with optional placeholder(s)</access>
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<placeholder2>value2<placeholder2>
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HELP!!! the session hang with a merge into sql statement

This problem is due to merge into a bug caused it??
i have a product run on 10.2.0.4 . OS is aix 5.3 .
today i found the product running over 24,000 sec and the current sql have run 23,734.
Anomaly the sql Should be a quick end but run so long time.
the awrsql report sql plan is
Execution Plan
Id Operation Name Rows Bytes Cost (%CPU) Time
0 MERGE STATEMENT 4 (100)
1 MERGE TP_B_RB013_GL_MID
2 VIEW
3 NESTED LOOPS 1 4048 4 (50) 00:00:01
4 TABLE ACCESS BY INDEX ROWID TP_B_RB013_GL_MID 1 3549 0 (0)
5 INDEX RANGE SCAN IDX_GL_RB013_MID 1 0 (0)
6 VIEW PUSHED PREDICATE 1 499 4 (50) 00:00:01
7 WINDOW SORT PUSHED RANK 1 586 4 (50) 00:00:01
8 HASH JOIN 1 586 3 (34) 00:00:01
9 TABLE ACCESS BY INDEX ROWID GL_HIST_RB013 1 124 0 (0)
10 INDEX SKIP SCAN IDX_GL_RB013 1 0 (0)
11 TABLE ACCESS FULL GL_EVENT 1 462 2 (0) 00:00:01
sql_fulltext
MERGE INTO TP_B_RB013_GL_MID TP
USING (SELECT TRAN_NO,
B.EVENT_DEESC,
ROW_NUMBER () OVER (PARTITION BY TRAN_NO ORDER BY B.EVENT_DESC) I
FROM GL_HIST_RB013 A, GL_EVENT B
WHERE EVENT_TYPE IS NOT NULL AND A.EVENT_TYPE = B.EVENT_ID AND B.SDATE = :B1
) RES
ON ( RES.TRAN_NO = TP.BATCH_NO AND RES.I = 1 AND TP.REPORT_DATE = :B1 )
WHEN MATCHED THEN
UPDATE SET TP.EVENT_DESC = RES.EVENT_DESC
Focus is the table "GL_EVENT" have 0 row,the sql should do nothing.
This problem is due to merge into a bug caused it??
last is awrsqlrpt Please note cputime and buffer gets
WORKLOAD REPOSITORY SQL Report
Snapshot Period Summary
DB Name DB Id Instance Inst Num Release RAC Host
FTLPRD 3272430330 FTLPRD 1 10.2.0.4.0 NO bj1finteldb0
Snap Id Snap Time Sessions Curs/Sess
Begin Snap: 5022 26-11?-11 21:00:35 127 12.1
End Snap: 5030 27-11?-11 05:00:40 127 14.0
Elapsed: 480.09 (mins)
DB Time: 626.55 (mins)
SQL Summary DB/Inst: FTLPRD/FTLPRD Snaps: 5022-5030
Elapsed
SQL Id Time (ms)
a4j4qaqkvxr08 ##########
MERGE INTO TP_B_RB013_GL_MID TP USING (SELECT TRAN_NO, B.EVENT_DESC, ROW_NUMBER
() OVER (PARTITION BY TRAN_NO ORDER BY B.EVENT_DESC) I FROM GL_HIST_RB013 A, GL_
EVENT B WHERE EVENT_TYPE IS NOT NULL AND A.EVENT_TYPE = B.EVENT_ID AND B.SDATE =
:B1 ) RES ON ( RES.TRAN_NO = TP.BATCH_NO AND RES.I = 1 AND TP.REPORT_DATE = :B1
SQL ID: a4j4qaqkvxr08 DB/Inst: FTLPRD/FTLPRD Snaps: 5022-5030
-> 1st Capture and Last Capture Snap IDs
refer to Snapshot IDs witin the snapshot range
-> MERGE INTO TP_B_RB013_GL_MID TP USING (SELECT TRAN_NO, B.EVENT_DESC, R...
Plan Hash Total Elapsed 1st Capture Last Capture
# Value Time(ms) Executions Snap ID Snap ID
1 3274057091 23,733,870 0 5024 5030
Plan 1(PHV: 3274057091)
Plan Statistics DB/Inst: FTLPRD/FTLPRD Snaps: 5022-5030
-> % Total DB Time is the Elapsed Time of the SQL statement divided
into the Total Database Time multiplied by 100
Stat Name Statement Per Execution % Snap
Elapsed Time (ms) ########## N/A 63.1
CPU Time (ms) 23,734 N/A 94.7
Executions 0 N/A N/A
Buffer Gets 371,326,923 N/A 84.8
Disk Reads 16,740 N/A 0.2
Parse Calls 1 N/A 0.0
Rows 0 N/A N/A
User I/O Wait Time (ms) 145,938 N/A N/A
Cluster Wait Time (ms) 0 N/A N/A
Application Wait Time (ms) 0 N/A N/A
Concurrency Wait Time (ms) 2,348 N/A N/A
Invalidations 0 N/A N/A
Version Count 7 N/A N/A
Sharable Mem(KB) 435 N/A N/A
Execution Plan
Id Operation Name Rows Bytes Cost (%CPU) Time
0 MERGE STATEMENT 4 (100)
1 MERGE TP_B_RB013_GL_MID
2 VIEW
3 NESTED LOOPS 1 4048 4 (50) 00:00:01
4 TABLE ACCESS BY INDEX ROWID TP_B_RB013_GL_MID 1 3549 0 (0)
5 INDEX RANGE SCAN IDX_GL_RB013_MID 1 0 (0)
6 VIEW PUSHED PREDICATE 1 499 4 (50) 00:00:01
7 WINDOW SORT PUSHED RANK 1 586 4 (50) 00:00:01
8 HASH JOIN 1 586 3 (34) 00:00:01
9 TABLE ACCESS BY INDEX ROWID GL_HIST_RB013 1 124 0 (0)
10 INDEX SKIP SCAN IDX_GL_RB013 1 0 (0)
11 TABLE ACCESS FULL GL_EVENT 1 462 2 (0) 00:00:01
Full SQL Text
SQL ID SQL Text
a4j4qaqkvxr0 MERGE INTO TP_B_RB013_GL_MID TP USING (SELECT TRAN_NO, B.EVENT_DE
ESC, ROW_NUMBER () OVER (PARTITION BY TRAN_NO ORDER BY B.EVENT_DE
SC) I FROM GL_HIST_RB013 A, GL_EVENT B WHERE EVENT_TYPE IS NOT NU
LL AND A.EVENT_TYPE = B.EVENT_ID AND B.SDATE = :B1 ) RES ON ( RES
.TRAN_NO = TP.BATCH_NO AND RES.I = 1 AND TP.REPORT_DATE = :B1 ) W
HEN MATCHED THEN UPDATE SET TP.EVENT_DESC = RES.EVENT_DESC

Pl do not spam the forums with duplicate posts - HELP !!! session pending or suspend beacause a merginto sql

Help to make this dynamic sql work

Hi,
I have many DDLs to execute and these DDLs change over time, so I try to load these DDLs into a table (y) and write a proc to loop through them. But I run into some problems and need your help.
Here are the details:
create table y ( x varchar2(4000));
CREATE TABLE error_log (
error_log_ID NUMBER(20),
statement VARCHAR2(2000),
error_msg VARCHAR2(400),
Action VARCHAR2(16)
CREATE SEQUENCE SEQ_error_log
START WITH 1
INCREMENT BY 1
NOMINVALUE
NOMAXVALUE
NOCYCLE
CACHE 20
NOORDER
CREATE OR REPLACE PROCEDURE CUST_UPDATE1 (
schema_name IN VARCHAR2 ,
table_tablespcae_name IN VARCHAR2,
index_tablespcae_name IN VARCHAR2
) AS
v_code NUMBER;
v_errm VARCHAR2(400);
sql_stmt1 VARCHAR2(3000) ;
CURSOR c1 IS SELECT x FROM y;
BEGIN
FOR i IN c1 LOOP
sql_stmt1 := i.x;
DBMS_OUTPUT.PUT_LINE ( 'x = '|| sql_stmt1 );
/ **************************** worked if use this hard coded ********************************
sql_stmt1 := 'CREATE TABLE '||schema_name||'.zz
aa VARCHAR2(4) NOT NULL,
bb VARCHAR2(100) NOT NULL,
cc VARCHAR2(2) NOT NULL
TABLESPACE '|| table_tablespcae_name;
BEGIN
EXECUTE IMMEDIATE sql_stmt1;
EXCEPTION
WHEN OTHERS THEN
v_code := SQLCODE;
v_errm := SUBSTR(SQLERRM, 1 , 400);
INSERT INTO error_log VALUES ( SEQ_error_log.nextval, sql_stmt1, v_errm, DECODE(v_code, -1430, 'IGNORE', 'CHECK') );
END;
END LOOP;
END;
Test:
exec cust_update1('SCOTT', 'USERS', 'c'); -- didn't use last parameter
Senario 1. insert into y values (
'CREATE TABLE schema_name.zz
aa VARCHAR2(4) NOT NULL,
bb VARCHAR2(100) NOT NULL,
cc VARCHAR2(2) NOT NULL
TABLESPACE table_tablespcae_name ' );
===> error_log show: ORA-01918: user 'SCHEMA_NAME' does not exist
Senario 2. insert into y values (
'''CREATE TABLE ''||schema_name||''.zz
aa VARCHAR2(4) NOT NULL,
bb VARCHAR2(100) NOT NULL,
cc VARCHAR2(2) NOT NULL
TABLESPACE ''|| table_tablespcae_name' );
==> error_log show: ORA-00900: invalid SQL statement
3. I hard coded the exact dynamic from step 2 and assigned to sql_stmt1, ( as commeted out in my code) it WORKED.
Thanks
George

hi,
do the scenario1 but you have to substitute the schema_name and table_space name with your actual string before calling the dynamic sql.
ei.
sql_stmt1 := replace(sql_stmt1,'schema_name',schema_name);
sql_stmt1 := replace(sql_stmt1,'table_tablespcae_name',table_tablespcae_name);
BEGIN
EXECUTE IMMEDIATE sql_stmt1;
EXCEPTION
WHEN OTHERS THEN
v_code := SQLCODE;
v_errm := SUBSTR(SQLERRM, 1 , 400);
INSERT INTO error_log VALUES ( SEQ_error_log.nextval, sql_stmt1, v_errm, DECODE(v_code, -1430, 'IGNORE', 'CHECK') );
END;
Cheers,
J

Dynamic SQL statement in a Procedure

Hi,
is it possible to use a variable in place of a column name in a sql statement inside a procedure. Or to create the whole statement as a sql statement and execute it (preferrably with parameters - rather than concatinating the values).
Thanks for any help or direction
Elliot

Turns out you can do the following very nicely (dynamic sql with parameterized values)
Declare
id number(10,0);
sql_stmt varchar2(300);
fieldName varchar2(30);
fieldValue varchar2(100);
id := 30;
fieldName := 'somecolumn';
fieldValue := 'some value';
sql_stmt := 'UPDATE myTable SET ' || fieldName || ' = :1 WHERE id = :2';
EXECUTE IMMEDIATE sql_stmt USING fieldValue, id;

Problem with variables in dynamic SQL/PLSQL

Hi, I have a problem I am trying to solve using a very short piece of dynamic SQL/PLSQL but I am having problems getting the variable values out of the dynamic block.
I need to increment a counter which could be any one of 16 counters I am using and I want to avoid using nested IF statements.
The variable to be incremented is made up of the 'scheme', the 'contributory category' and the 'employment category' (although not every combination is valid)
The 'scheme' can be either 'no1', 'no2', 'off', 'cg' or 'amc'
The 'contributory category' can be either 'cont' or 'noncont'
The 'employment category' can be either 'ft' or 'pt'
For example the total variable name could be 'v_cg_noncont_ft_count'
I have created a variable by concatenating the various elements called v_incr_count_name which holds the name of the variable I want to increment.
I am running this within an anonymous PLSQL block so I cannot use global variables meaning that my variables are not visible within a dynamic PLSQL block.
As a result I think I will need to use bind variables with a PLSQL block or a SELECT FROM INTO SQL string
I have tried various solutions including the following PLSQL solution:
v_incr_count_name := 'v_'||v_scheme||'_'||v_cont_cat||'_'||v_emp_cat||'_count';
sql_stmt := 'BEGIN :a := :a + 1; END;';
EXECUTE IMMEDIATE sql_stmt USING v_incr_count_name;
Unfortunately I am getting the 'IN bind variable bound to an OUT position' error which I suppose makes sense as I am trying to change the value of a variable in the main PLSQL block from within the dynamic block.
Another (SQL) solution I tried was:
v_incr_count_name := 'v_'||v_scheme||'_'||v_cont_cat||'_'||v_emp_cat||'_count';
sql_stmt := 'SELECT '||v_incr_count_name||' + 1 FROM DUAL';
EXECUTE IMMEDIATE sql_stmt INTO v_return;
While this executes and returns the incremented value into v_return, I am still left unable to copy the returned value into the variable whose name is stored in v_incr_count_name
Any help appreciated
Cheers, Dan

this shows the syntax for the using clause
declare
a number := 1;
b number := null;
v varchar2(10) := 'A';
begin
execute immediate 'begin :v1 := :v1 + 1; end;' using in out a;
dbms_output.put_line(a);
end;
/but what you want cannot be done
SQL> declare
2 a number := 1;
3 b number := null;
4 v varchar2(10) := 'A';
5 begin
6 execute immediate 'begin '||v||' := :v1 + 1; end;' using in out a;
7 dbms_output.put_line(a);
8 end;
9 /
declare
ERROR at line 1:
ORA-06550: line 1, column 7:
PLS-00201: identifier 'A' must be declared
ORA-06550: line 1, column 7:
PL/SQL: Statement ignored
ORA-06512: at line 6the variable "V" contains the name of the desired output variable ("A"). this errors because "A" is not defined within the scope of the dynamic sql.
"into the variable whose name is stored in v_incr_count_name"
pl/sql does not support dereferencing variables, so you can't do it.

Help With SUBSTR in dynamic SQL statement

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