Product Search TIME lag

Hi All,
I have created a Z-search for Products based on the Plant to which the requisitioner belongs to.Now the number of Products is arnd 1000 due to which when I click on the START button,the time taken to display the List of Products is very high.
For this ,programmatically i have tried all the options to improve the data retrieval time from the DB,but is there any other way wherein this search time can be reduced?enhance the system performance???
Also,currently we are using the Integrated ITS and sooner will be switching to External ITS where this time lag will increase further....Can anyone help us on this???
Thanks & Regards,
Disha.

Hi Disha,
I had a quick look at your Search help ABAP code.
Here is a resume of your custom logic:
1- read user attribute to get the PLANT
2- call BAPI_MATERIAL_GETLIST and BAPI_SERVICE_GET_LIST with user's search criteria and PLANT
3- get product for needed category from view bbpv_f4pr_gen
4- filter items out of category criteria
You should run an analysis in SE30 to see what is the most consumming step (2 or 3).
You can also simulate a run of BAPI_MATERIAL_GETLIST in R/3 with the same data to get the raw response time, and to deducte the time spent in establishing the RFC connection + network transfer time.
I think the step 3 with a select in bbpv_f4pr_gen for all entries in it_matnrlist1 can be really time consumming if you have many products. How many products do you have in SRM ?
This view is based on 8 tables !!!!!
You should replace it because you just need the product category (join on 2 tables only).
I think a Z function in R/3 doing all those steps more directly is more performant.
But first, as proposed from the beginning, run an SE30 analysis to detect the bottleneck of your custom ABAP, because it depends on your configuration (nb of SRM products, nb of R/3 materials, R/3 performance...).
Otherwise, we are talking for nothing.
Rgds
Christophe

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SCOTT@orcl_11gR2> Create Table Tbl_Product_Lookup
2    (
3       Barcode_number       Varchar2(9),
4       Product_Description Varchar2(200),
5       Product_Start_Date   Date,
6       Product_End_Date     Date,
7       Product_Price          Number(12,4)
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SCOTT@orcl_11gR2> -- sample data:
SCOTT@orcl_11gR2> insert all
2 into tbl_product_lookup (product_description) values ('test product')
3 into tbl_product_lookup (product_description) values ('test product and more')
4 into tbl_product_lookup (product_description) values ('another test product and more')
5 into tbl_product_lookup (product_description) values ('another test product')
6 into tbl_product_lookup (product_description) values ('test products')
7 into tbl_product_lookup (product_description) values ('selftest product')
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2 /
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4    ctx_ddl.set_attribute('mywordlist','PREFIX_MIN_LENGTH', '3');
5    ctx_ddl.set_attribute('mywordlist','PREFIX_MAX_LENGTH', '4');
6    ctx_ddl.set_attribute('mywordlist','SUBSTRING_INDEX', 'YES');
7    ctx_ddl.set_attribute('mywordlist', 'wildcard_maxterms', 0) ;
8 end;
9 /
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2 on tbl_product_lookup (product_description)
3 indextype is ctxsys.context
4 parameters ('wordlist mywordlist')
5 /
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SCOTT@orcl_11gR2> exec dbms_stats.gather_table_stats (user, 'TBL_PRODUCT_LOOKUP')
PL/SQL procedure successfully completed.
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SCOTT@orcl_11gR2> variable productdescription varchar2(100)
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PL/SQL procedure successfully completed.
SCOTT@orcl_11gR2> column product_description format a45
SCOTT@orcl_11gR2> set autotrace on explain
SCOTT@orcl_11gR2> set timing on
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2 from   (select /*+ FIRST_ROWS(100) */ distinct
3              case when product_description = :productdescription            then 1
4               when product_description like :productdescription || ' %'       then 2
5               when product_description like '% ' || :productdescription || ' %' then 3
6               when product_description like '% ' || :productdescription       then 4
7               when product_description like :productdescription || '%'       then 5
8               when product_description like '%' || :productdescription       then 6
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10              product_description
11           from   tbl_product_lookup
12           where contains (product_description, '%' || :productdescription || '%') > 0
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15 /
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         3 another test product and more
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6 rows selected.
Elapsed: 00:00:00.10
Execution Plan
Plan hash value: 459057338
| Id | Operation                      | Name               | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT               |                    |    38 | 3990 |    13 (16)| 00:00:01 |
|* 1 | COUNT STOPKEY                 |                    |       |       |            |          |
|   2 |   VIEW                         |                    |    38 | 3990 |    13 (16)| 00:00:01 |
|* 3 |    SORT UNIQUE STOPKEY         |                    |    38 |   988 |    12   (9)| 00:00:01 |
|   4 |     TABLE ACCESS BY INDEX ROWID| TBL_PRODUCT_LOOKUP |    38 |   988 |    11   (0)| 00:00:01 |
|* 5 |      DOMAIN INDEX              | PROD_DESC_TEXT_IDX |       |       |     4   (0)| 00:00:01 |
Predicate Information (identified by operation id):
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Hi all,
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