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Oracle Tips by Burleson |
UPDATE_BY_CAT
The update_by_cat procedure changes all
of the outlines in one category to a new category. If the SQL text
in an outline already has an outline in the target category, then it
is not merged into the new category. The procedure has two input
variables, oldcat VARCHAR2 and newcat VARCHAR2 where oldcat
corresponds to the category to be merged and newcat is the new
category that oldcat is to be merged with.
SQL> create outline test_outline for category test on
2 select a.table_name, b.tablespace_name, c.file_name from
3 dba_tables a, dba_tablespaces b, dba_data_files c
4 where
5 a.tablespace_name=b.tablespace_name
6 and b.tablespace_name=c.tablespace_name
7 and c.file_id = (select min(d.file_id) from dba_data_files d
8 where c.tablespace_name=d.tablespace_name)
9 ;
Operation 180 succeeded.
SQL> create outline test_outline2 for category test on
2 select * from dba_data_files;
Operation 180 succeeded.
SQL> create outline prod_outline1 for category prod on
2 select owner,table_name from dba_tables;
Operation 180 succeeded.
SQL> create outline prod_outline2 for category prod on
2 select * from dba_data_files;
Operation 180 succeeded.
SQL> select name,category from dba_outlines order by category
NAME CATEGORY
--------------- --------
PROD_OUTLINE1 PROD
PROD_OUTLINE2 PROD
TEST_OUTLINE2 TEST
TEST_OUTLINE TEST
4 rows selected.
SQL> execute sys.outln_pkg.update_by_cat('TEST','PROD');
PL/SQL procedure successfully completed.
SQL> select name,category from dba_outlines order by category;
NAME CATEGORY
--------------- --------
TEST_OUTLINE PROD
PROD_OUTLINE1 PROD
PROD_OUTLINE2 PROD
TEST_OUTLINE2 TEST
4 rows selected.
As a result of the update_by_cat procedure call we moved the
TEST_OUTLINE outline into the PROD category, but the TEST_OUTLINE2,
since it is a duplicate of PROD_OUTLINE2, was not merged.
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