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 >>

That's for 10g. I am on 9.2 here.
thanks, rm

On 9/29/05, Igor Neyman <ineyman@(protected)> wrote:
>
> 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>;
>
>
>
>
>
>

<div>That's for 10g.  I am on 9.2 here. </div>
<div>thanks, 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">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)
.org">
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 "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: 
       "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: <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> &lt
;mailto:<a href="mailto:ineyman@(protected)">ineyman@(protected)</a>>
> wrote:           
     Does it make a difference: 1 table or 6?
            &nbsp
;   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)         &nbsp
;          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 __ ____ ____ ____ ____ ____ ____
            &nbsp
;   From: <a href="mailto:oracle-l-bounce@(protected)">oracle-l
-bounce@(protected)</a> [mailto: <a href="mailto:oracle-l-bounce@(protected)
.org">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.   &nbsp
;            Thanks
genius.           
     On 9/28/05, Paul Drake <<a href="mailto:bdbafh@(protected)
.com">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        
             
           lkp_table1 where cd
= p_cd1; select
 descr2 into v_descr2 from lkp_table2 where     
             
             
cd = p_cd2 etc )          &nbsp
;             
        - 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,  &nbsp
;             
        "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.
            &nbsp
;           A search of &quot
;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 <hint> INTO <table
_name>            
            USING &lt
;table_view_or_query>         
             
  ON (<condition>)        &nbsp
;             
  WHEN MATCHED THEN <update_clause>
             
           WHEN NOT MATCHED
THEN <insert_clause>; </blockquote></div>