Dimension table load - PLSQL question

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Dimension table load - PLSQL question

Dimension table load - PLSQL question

2005-09-29 - By Ranko Mosic

Reply: << 11 12 13 14 15 16 17 18 19 20 >>

Yes, thanks, that could be done. Still have problem with key value return if
record exists.
rm

On 9/29/05, Igor Neyman <ineyman@(protected)> wrote:
>
> Or, you could add "where" clause to "merge_update_claue", which will
> never be true (like "where 0=1"), thus skiping updates.
>
> -- --Original Message-- --
> From: oracle-l-bounce@(protected)
> [mailto:oracle-l-bounce@(protected)] On Behalf Of Igor Neyman
> Sent: Thursday, September 29, 2005 9:58 AM
> To: ranko.mosic@(protected)
> Cc: Paul Drake; ORACLE-L
> Subject: RE: Dimension table load - PLSQL question
>
> From Oracle docs:
>
> "merge_insert_clause
> .....................................
> .....................................
> You can specify this clause by itself or with the merge_update_clause.
> If you specify both, then they can be in either order."
>
>
> __ ____ ____ ____ ____ ____ ____
>
> From: oracle-l-bounce@(protected)
> [mailto:oracle-l-bounce@(protected)] On Behalf Of Ranko Mosic
> Sent: Thursday, September 29, 2005 9:51 AM
> To: Igor Neyman
> Cc: Paul Drake; ORACLE-L
> Subject: Re: Dimension table load - PLSQL question
>
>
> Not in my test - I tried to omitt "matched" and it won't do.
> SQL> l
> 1 MERGE INTO bonuses D
> 2 USING (SELECT employee_id, salary, department_id FROM employees
> 3 WHERE department_id = 80) S
> 4 ON (D.employee_id = S.employee_id)
> 5 WHEN NOT MATCHED THEN INSERT (D.employee_id, D.bonus)
> 6* VALUES (S.employee_id, S.salary*0.1)
> SQL> /
> VALUES (S.employee_id, S.salary*0.1)
> *
> ERROR at line 6:
> ORA-00905 (See ORA-00905.ora-code.com): missing keyword
> rm
>
> On 9/29/05, Igor Neyman <ineyman@(protected)> wrote:
>
> "when matched" clause is optional, so you should be fine without
> updates.
> As for returning PK, regular "INSERT" has "RETURNING" clause,
> but I don't see one for "insert" used withing "MERGE". File
> "enhancement request" with Oracle :)
>
> __ ____ ____ ____ ____ ____ ____
>
> From: oracle-l-bounce@(protected) [mailto:
> oracle-l-bounce@(protected) <mailto:oracle-l-bounce@(protected)> ]
> On Behalf Of Ranko Mosic
> Sent: Thursday, September 29, 2005 9:34 AM
> To: Igor Neyman
> Cc: Paul Drake; ORACLE-L
>
> Subject: Re: Dimension table load - PLSQL question
>
>
>
> What about returning key if record exists ? There is no
> update happening.
>
> Thanks, rm.
>
>
> On 9/29/05, Igor Neyman <ineyman@(protected)
> <mailto:ineyman@(protected)> > wrote:
>
> Does it make a difference: 1 table or 6?
>
> MERGE INTO t
> USING (SELECT(select descr1 from lkp_table1 where cd
> = p_cd1) AS v_descr1,
> select descr2 from
> lkp_table2 where cd = p_cd2) AS v_descr2 ,
> .... etc. )from dual) c
> ON (t.descr1 = c.v_descr1 and t.descr2 = c.v_descr2
> and ... etc)
> WHEN NOT MATCHED INSERT (t.descr1, t.descr2, ...)
> VALUES (c.v_descr1, c.v_descr2, ...)
>
> Really, no need to react the way, you did...
>
> Igor Neyman
>
>
> __ ____ ____ ____ ____ ____ ____
>
> From: oracle-l-bounce@(protected) [mailto:
> oracle-l-bounce@(protected) <mailto:oracle-l-bounce@(protected)> ]
> On Behalf Of Ranko Mosic
> Sent: Thursday, September 29, 2005 8:45 AM
> To: Paul Drake
> Cc: ORACLE-L
> Subject: Re: Dimension table load - PLSQL question
>
>
> Thanks for very helpful, no patronizing answer. If
> you've read more carefully what the problem is
> you'd see that MERGE can't work because it works on one
> table upserting another.
> I have one table being inserted from 6 tables.
> Thanks genius.
>
>
> On 9/28/05, Paul Drake <bdbafh@(protected)> wrote:
>
> On 9/28/05, Ranko Mosic <ranko.mosic@(protected) >
> wrote:
>
> Hi,
> requirement:
> - input parameters are codes p_cd1,
> p_cd2, ...
> - for these codes I get descriptions (
> select descr1 into v_descr1 from
>
> lkp_table1 where cd = p_cd1; select
> descr2 into v_descr2 from lkp_table2 where
>
> cd = p_cd2 etc )
> - check if table t has records where
> t.descr1 = v_descr1
> and t.descr2 = v_descr2 and on and on
> ....;
> - if row exists return primary key;
> - if not then insert.
>
> What is the best way of doing it (
> simplest ) ?
>
>
> Regards, Ranko.
>
>
>
>
> Ranko,
>
> "Simplest way" is to solicit opinions without
> using a search engine or checking the documentation.
> Its also usually "simplest" to leverage the
> existing provided functionality, rather than writing your own routines,
> error handling, etc.
>
> A search of "oracle 10.1 upsert" in google.com <http://google.com>
> <http://google.com/> + "I'm feeling lucky" produced this for me.
> Perhaps you might get lucky too.
>
> Paul
>
> http://www.psoug.org/reference/merge.html
>
>
>
> MERGE <hint> INTO <table_name>
> USING <table_view_or_query>
> ON (<condition>)
> WHEN MATCHED THEN <update_clause>
> WHEN NOT MATCHED THEN <insert_clause>;
>
>
>
>
>
> --
> http://www.freelists.org/webpage/oracle-l
>
>

<div>Yes, thanks, that could be done. Still have problem with key value return
if record exists. </div>
<div>rm   </div>
<div>On 9/29/05, Igor
Neyman <<a href="mailto:ineyman@(protected)">ineyman@(protected)<
/a>> wrote:
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0
.8ex; BORDER-LEFT: #ccc 1px solid">Or, you could add "where" clause to
"merge_update_claue", which will never be true (like "where 0
=1"), thus skiping updates.
 -- --Original Message-- -- From: <a href="mailto:oracle-l-bounce
@(protected)">oracle-l-bounce@(protected)</a> [mailto:<a href="mailto
:oracle-l-bounce@(protected)">oracle-l-bounce@(protected)</a>] On Behalf Of
Igor Neyman
 Sent: Thursday, September 29, 2005 9:58 AM To: <a href="mailto:ranko
.mosic@(protected)">ranko.mosic@(protected)</a> Cc: Paul Drake; ORACLE-L Subject: RE: Dimension table load - PLSQL question From Oracle docs:
 "merge_insert_clause ..................................... .
.................................... You can specify this clause by itself or
with the merge_update_clause. If you specify both, then they can be in
either order."
 __ ____ ____ ____ ____ ____ ____ From: <a href="mailto
:oracle-l-bounce@(protected)">oracle-l-bounce@(protected)</a> [mailto:<a
href="mailto:oracle-l-bounce@(protected)">oracle-l-bounce@(protected)
</a>] On Behalf Of Ranko Mosic Sent: Thursday, September 29, 2005 9:51 AM To: Igor Neyman Cc: Paul Drake; ORACLE-L Subject: Re: Dimension table
load - PLSQL question Not in my test - I tried to omitt &quot
;matched" and it won't do.
 SQL> l 1  MERGE INTO bonuses D 2  USING
(SELECT employee_id, salary, department_id FROM employees 3  WHERE
department_id = 80) S 4  ON (D.employee_id = S.employee_id) 5
  WHEN NOT MATCHED THEN INSERT (
D.employee_id, D.bonus) 6* VALUES (S.employee_id, S.salary*0.1) SQL> /
 VALUES (S.employee_id, S.salary*0.1)       
             
             
  * ERROR at line 6: ORA-00905 (See ORA-00905.ora-code.com): missing keyword rm 
On 9/29/05, Igor Neyman <<a href="mailto:ineyman@(protected)">ineyman
@(protected)</a>> wrote:        &quot
;when matched" clause is optional, so you should be fine without updates
.        As for returning PK, regular &quot
;INSERT" has "RETURNING" clause,
 but I don't see one for "insert" used withing "MERGE".
  File "enhancement request" with Oracle :) __ ___
__ ____ ____ ____ ____ ___        From: <a
href="mailto:oracle-l-bounce@(protected)">
oracle-l-bounce@(protected)</a> [mailto: <a href="mailto:oracle-l-bounce
@(protected)">oracle-l-bounce@(protected)</a> <mailto:<a href="mailto
:oracle-l-bounce@(protected)">oracle-l-bounce@(protected)</a>> ]
 On Behalf Of Ranko Mosic        Sent:
Thursday, September 29, 2005 9:34 AM        To
: Igor Neyman        Cc: Paul Drake; ORACLE-L
        Subject: Re: Dimension table load -
PLSQL question 
             
  What about returning key if record exists ? There is no update
happening.        Thanks, rm. 
       On 9/29/05, Igor Neyman <<a href="mailto
:ineyman@(protected)">ineyman@(protected)
</a> <mailto:<a href="mailto:ineyman@(protected)">ineyman@(protected)
.com</a>> > wrote:         
       Does it make a difference: 1 table or 6?             
   MERGE INTO t         
           USING (SELECT
(select descr1 from lkp_table1 where cd
 = p_cd1) AS v_descr1,         
             
             
             select
descr2 from lkp_table2 where cd = p_cd2) AS v_descr2 ,    
             
             
             
     .... etc. )from dual) c     
             
  ON (
t.descr1 = c.v_descr1 and t.descr2 = c.v_descr2 and ... etc)   
             
    WHEN NOT MATCHED INSERT (t.descr1, t.descr2, ...)  
             
         VALUES (c.v_descr1, c.v_descr2,
...)            
    Really, no need to react the way, you did...
            &nbsp
;   Igor Neyman __ ____ ____ ____ ____ ____ ____ 
             
  From: <a href="mailto:oracle-l-bounce@(protected)">oracle-l-bounce
@(protected)</a> [mailto: <a href="mailto:oracle-l-bounce@(protected)">
oracle-l-bounce@(protected)</a> <mailto:<a href="mailto:oracle-l-bounce
@(protected)">oracle-l-bounce@(protected)</a>> ] On Behalf Of Ranko
Mosic            
    Sent: Thursday, September 29, 2005 8:45 AM 
             
  To: Paul Drake          
      Cc: ORACLE-L      
          Subject: Re: Dimension
table load - PLSQL question       
         Thanks for very helpful, no
patronizing answer. If you've read more carefully what the problem is
             
   you'd see that MERGE can't work because it works on one table
upserting another.          
      I have one table being inserted from 6 tables.              
  Thanks genius.        &nbsp
;       On 9/28/05, Paul Drake <
<a href="mailto:bdbafh@(protected)">bdbafh@(protected)</a>> wrote:  
             
         On 9/28/05, Ranko Mosic <<a
href="mailto:ranko.mosic@(protected)">ranko.mosic@(protected)</a> > wrote:             
             
      Hi,
             
             
      requirement:      
             
             - input
parameters are codes p_cd1, p_cd2, ...      
             
             - for
these codes I get descriptions ( select descr1 into v_descr1 from
            &nbsp
;             
      lkp_table1 where cd = p_cd1; select descr2
into v_descr2 from lkp_table2 where       
             
            cd = p_cd2
etc )            
             
       - check if table t has records &nbsp
;where
 t.descr1 = v_descr1         
             
            &nbsp
;and t.descr2 = v_descr2 and on and on ....;     &nbsp
;             
             - if
row exists return primary key;        
             
           - if not then
insert.
            &nbsp
;             
      What is the best way of doing it ( simplest )
?            
             
       Regards, Ranko.  
             
             
             
       Ranko, 
             
           "Simplest way
" is to solicit opinions without using a search engine or checking the
documentation.           
             Its
also usually "simplest" to leverage the 
existing provided functionality, rather than writing your own routines, error handling, etc.         
             
  A search of "oracle 10.1 upsert" in <a href="http://google.com"
>google.com</a> <
<a href="http://google.com/">http://google.com/</a>>  + "I'm
feeling lucky" produced this for me.      
             
     Perhaps you might get lucky too.   
             
        Paul     
             
     
<a href="http://www.psoug.org/reference/merge.html">http://www.psoug.org
/reference/merge.html</a>       
             
            MERGE &lt
;hint> INTO <table_name>        
             
   USING <table_view_or_query>
             
           ON (<condition
>)            &nbsp
;           WHEN MATCHED THEN
<update_clause>          
             
WHEN NOT MATCHED THEN <insert_clause>; -- <a
href="http://www.freelists.org/webpage/oracle-l">
http://www.freelists.org/webpage/oracle-l</a> </blockquote></div>