Problem creating view with parameters

Hello

I'm new with PL/SQL and I am trying to create a view that accepts parameters. I have two tables that I merged with UNION first of all, I would like to notice what to do with the query parameters. It looks like this:

TABLE 1
col1,
col2,
COL3

TABLE2
col1,
col2,
col3,
COL4,
col5

View:
CREATE VIEW ALL_ADM_VIEW AS SELECT COL1, COL2, COL3 FROM
(SELECT COL1, COL2, COL3 FROM TABLE1
UNION COL1, COL2, COL3 FROM TABLE2
WHERE CURRENT_DATE IN TABLE2. COL4 AND TABLE2. COL5) U
WHERE U.COL3 = 'PARAMETER';

I need to put the value of the parameter 'PARAMETER' for the view. Any help?

Thanks in advance

Create your view like this:

CREATE VIEW ALL_ADM_VIEW AS
SELECT COL1
      ,COL2
      ,COL3
FROM   TABLE1
UNION
SELECT COL1
      ,COL2
      ,COL3
FROM   TABLE2
WHERE  CURRENT_DATE BETWEEN COL4 AND COL5
;

When you use the view in your code, this is where you use your variable:

select ...
from   ALL_ADM_VIEW
where  COL3 = 'PARAMETER';

Tags: Database

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Thank you...

Hello

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  4  PAC051MPROFORMA.visitid,
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Please give different names to each column.

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_visitid,MTRANSBILL_mrn,MTRANSBILL_visitid)
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  5  PAC051TPROFORMA.mrn,
  6  PAC051TPROFORMA.visitid,
  7  PAC052MTRANSBILL.mrn,
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 10  where
 11  (PAC051MPROFORMA.mrn=PAC051TPROFORMA.mrn)
 12  and
 13  (PAC051TPROFORMA.mrn=PAC052MTRANSBILL.mrn);

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SQL> DESC  pacviewproforma;
 Name                                      Null?    Type
 ----------------------------------------- -------- ----------------------------
 MPROFORMA_MRN                                      NUMBER
 MPROFORMA_VISITID                                  NUMBER
 TPROFORMA_MRN                                      NUMBER
 TPROFORMA_VISITID                                  NUMBER
 MTRANSBILL_MRN                                     NUMBER
 MTRANSBILL_VISITID                                 NUMBER

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Hi guys,.
I explain what I'm trying to do it quickly:
2 tables: table1 and table2 with the same structure and have both a multi_column_datastore ctxsys.context.
1 view: View1
Select * from table1
Union
Select * from table2
If I run:
Select * from View1 WHERE contains (view1. Column1, '% textext %', 1) > 0;
It works fine, I get the correct result.
If I try to use the PARTITION function, I got an error:
Select * from View1 WHERE contains (view1. Column1, '% textext %', 1) > 0 ORDER by SCORE (1);
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There is no score in the view, so you cannot reference the score when you query the view. In order to put the note in the view, you need a contains the clause, which requires a value. A method to do this is to use sys_context. Please see the reproduction of the problem and solution below.

Scott@orcl12c >-reproduction of the problem:

Scott@orcl12c > create the table1 table:

2 (column1 varchar2 (30))

3.

Table created.

Scott@orcl12c > insert into table1 values ('textext")

2.

1 line of creation.

Scott@orcl12c > create table table2

2 (column1 varchar2 (30))

3.

Table created.

Scott@orcl12c > insert into table2 values ('textext")

2.

1 line of creation.

Scott@orcl12c > start

2 ctx_ddl.create_preference ('test_ds', 'multi_column_datastore');

3 ctx_ddl.set_attribute ('test_ds', 'columns', "column1");

4 end;

5.

PL/SQL procedure successfully completed.

Scott@orcl12c > create index table1_idx on table1 (column1)

2 indextype is ctxsys.context

3 parameters ("test_ds of the data store")

4.

The index is created.

Scott@orcl12c > create index table2_idx on the table2 (column1)

2 indextype is ctxsys.context

3 parameters ("test_ds of the data store")

4.

The index is created.

Scott@orcl12c > create or replace view View1

2 as

3 select * from table1

4 union

5 select * from table2

6.

Created view.

Scott@orcl12c > select * from View1 where contains (view1.column1, '% textext %', 1) > 0

2.

COLUMN1

------------------------------

textext

1 selected line.

Scott@orcl12c > select * from View1 where contains > 0 (view1.column1,'%textext%',1) order by score (1)

2.

Select * from View1 where contains > 0 (view1.column1,'%textext%',1) order by score (1)

*

ERROR on line 1:

ORA-29921: auxiliary operator not supported with query to configure block

Scott@orcl12c >-solution:

Scott@orcl12c > create or replace view View1

2 as

3. Select the partition (1) score, table1.* from table1

4 where contains (table1. Column1, sys_context ('text_query', 'query_value'), 1) > 0

5 union

6 select score partition (1), table2.* from table2

7 where contains (table2.column1, sys_context ('text_query', 'query_value'), 1) > 0

8.

Created view.

Scott@orcl12c > create or replace context text_query using text_proc

2.

Context that is created.

Scott@orcl12c > create or replace procedure text_proc

2 (p_val in varchar2)

3 as

4 start

5 dbms_session.set_context ('text_query', "query_value", p_val);

6 end text_proc;

7.

Created procedure.

Scott@orcl12c > text_proc exec ('% textext %')

PL/SQL procedure successfully completed.

Scott@orcl12c > set autotrace on explain

Scott@orcl12c > select * from View1 by score

2.

MARK THE COLUMN1

---------- ------------------------------

3 textext

1 selected line.

Execution plan

----------------------------------------------------------

Hash value of plan: 4090246122

----------------------------------------------------------------------------------------------

| ID | Operation | Name | Lines | Bytes | Cost (% CPU). Time |

----------------------------------------------------------------------------------------------

|   0 | SELECT STATEMENT |            |     2.    60.     8 (0) | 00:00:01 |

|   1. SORT ORDER BY |            |     2.    60.     8 (0) | 00:00:01 |

|   2.   VIEW                          | VIEW1.     2.    60.     8 (0) | 00:00:01 |

|   3.    UNIQUE FATE |            |     2.    58.     8 (50) | 00:00:01 |

|   4.     UNION-ALL |            |       |       |            |          |

|   5.      TABLE ACCESS BY INDEX ROWID | TABLE1.     1.    29.     4 (0) | 00:00:01 |

|* 6 |       DOMAIN INDEX | TABLE1_IDX |       |       |     4 (0) | 00:00:01 |

|   7.      TABLE ACCESS BY INDEX ROWID | TABLE2.     1.    29.     4 (0) | 00:00:01 |

|* 8 |       DOMAIN INDEX | TABLE2_IDX |       |       |     4 (0) | 00:00:01 |

----------------------------------------------------------------------------------------------

Information of predicates (identified by the operation identity card):

---------------------------------------------------

6 - access("CTXSYS".") CONTAINS "(" TABLE1".»)" Column1', SYS_CONTEXT ('text_query ',' query_v)

Alou '), 1) > 0)

8 - access("CTXSYS".") CONTAINS "(" TABLE2".»)" Column1', SYS_CONTEXT ('text_query ',' query_v)

Alou '), 1) > 0)

Note

-----

-the dynamic statistics used: dynamic sampling (level = 2)

Scott@orcl12c >

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I logged a bug about this.

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