Populating array of values in GlobalContainer.
Dear Friends,
I have a doubt in excecuting the GlobalContainer in UDF. It will be great if you guys help me out in solving it.
I'm passing some array of values into UDF.After doing some validations I need to set these values in array of Global Container.Later in other UDF I've to retrieve the array of values from the Global Container.
Can you guys shed some light on what logic needs to be done ?
Best regards,
raj.
Use Java Sections instead of GlobalContainer.
Check this link: http://help.sap.com/saphelp_nw2004s/helpdata/en/49/1ebc6111ea2f45a9946c702b685299/frameset.htm
on the java sections part.
Basically you define the global variable in the Global Variables section. For example:
List list = null;
Then in initalization section, you initialize the global variable:
list = new Vector();
Then you could have your UDFs filling and later reading the variable (just read/write the <i>list</i> variable).
In the Cleanup section, you can do for example:
list.clear();
Regards,
Henrique.
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10253 CONSTANT2 CONSTANT2 5001 NUMBER(10) MODULE2 1
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2 IS
3 PROCEDURE load_context;
4
5 FUNCTION get_val (in_constant_name IN VARCHAR2)
6 RETURN VARCHAR2;
7 END my_constant_info;
8 /
Package created.
SQL> CREATE OR REPLACE PACKAGE BODY my_constant_info
2 IS
3 PROCEDURE load_context
4 IS
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7
8 CURSOR con_cur
9 IS
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12 ORDER BY constant_id DESC;
13
14 l_count NUMBER (8);
15 l_name VARCHAR2 (100);
16 l_val VARCHAR2 (400);
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24 l_values (l_count));
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26 EXCEPTION
27 WHEN OTHERS
28 THEN
29 DBMS_OUTPUT.put_line (l_count || ', ' || l_name || ': ' || l_val);
30 RAISE;
31 END load_context;
32
33 FUNCTION get_val (in_constant_name IN VARCHAR2)
34 RETURN VARCHAR2
35 AS
36 l_return_val VARCHAR2 (400);
37 l_null_val EXCEPTION;
38 BEGIN
39 l_return_val := SYS_CONTEXT ('my_context', in_constant_name);
40
41 IF l_return_val IS NULL
42 THEN
43 RAISE l_null_val;
44 ELSE
45 RETURN l_return_val;
46 END IF;
47 EXCEPTION
48 WHEN l_null_val
49 THEN
50 raise_application_error (-20011,
51 'Requested Constant '''
52 || in_constant_name
53 || ''' Returned Null.');
54 END get_val;
55 END my_constant_info;
56 /
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Context created.
SQL>
SQL> CREATE OR REPLACE TRIGGER my_constant_logon
2 AFTER LOGON ON DATABASE
3 BEGIN
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6 WHEN OTHERS
7 THEN
8 RAISE;
9 END;
10 /
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2 my_constant_info.load_context;
3 END;
4 /
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SQL>
SQL> select my_constant_info.get_val('CONSTANT1') from dual;
MY_CONSTANT_INFO.GET_VAL('CONSTANT1')
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SQL> I am able to get the value 5000. But, if you look at the data back, there are two rows with CONSTANT1 one for source_id 1 and another for 2. The values of the CONSTANT1 changes according to the source_id. I would like to implement such a solution that it will have to output the values based on the combination of CONSTANT_NAME and SOURCE_ID
One way (not practical for me) is as follows:
SQL> CREATE OR REPLACE PACKAGE BODY my_constant_info
2 IS
3 PROCEDURE load_context
4 IS
5 l_names DBMS_SQL.varchar2s;
6 l_values DBMS_SQL.varchar2s;
7
8 CURSOR con_cur
9 IS
10 SELECT constant_name ||'-'|| source_id constant_name, constant_value
11 FROM my_constants
12 ORDER BY constant_id DESC;
13
14 l_count NUMBER (8);
15 l_name VARCHAR2 (100);
16 l_val VARCHAR2 (400);
17 BEGIN
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19 LOOP
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22 l_values (l_count) := i.constant_value;
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24 l_values (l_count));
25 END LOOP;
26 EXCEPTION
27 WHEN OTHERS
28 THEN
29 DBMS_OUTPUT.put_line (l_count || ', ' || l_name || ': ' || l_val);
30 RAISE;
31 END load_context;
32
33 FUNCTION get_val (in_constant_name IN VARCHAR2)
34 RETURN VARCHAR2
35 AS
36 l_return_val VARCHAR2 (400);
37 l_null_val EXCEPTION;
38 BEGIN
39 l_return_val := SYS_CONTEXT ('my_context', in_constant_name);
40
41 IF l_return_val IS NULL
42 THEN
43 RAISE l_null_val;
44 ELSE
45 RETURN l_return_val;
46 END IF;
47 EXCEPTION
48 WHEN l_null_val
49 THEN
50 raise_application_error (-20011,
51 'Requested Constant '''
52 || in_constant_name
53 || ''' Returned Null.');
54 END get_val;
55 END my_constant_info;
56 /
Package body created.
SQL> BEGIN
2 my_constant_info.load_context;
3 END;
4 /
PL/SQL procedure successfully completed.
SQL> select my_constant_info.get_val('CONSTANT1-1') from dual;
MY_CONSTANT_INFO.GET_VAL('CONSTANT1-1')
5000
SQL> select my_constant_info.get_val('CONSTANT1-2') from dual;
MY_CONSTANT_INFO.GET_VAL('CONSTANT1-2')
6000
SQL> I would like to know any other elegant way of implementing the same, where in if I say something like
select my_constant_info.get_val('CONSTANT1', p_source_id) from dual;
or
v_cons_val := my_constant_info.get_val('CONSTANT1', p_source_id);
** where p_source_id is a value passed to a procedure and v_cons_val is a variable, say.Please let me know if you need any further infomation. -
Hi,
I'm having trouble populating a 1D array using a Replace Array Subset function. The two arrays coming from the top are two separate ones.
This program is supposed to compare two adjacent elements in one array and flows through a case structure. If true then it outputs an index integer if not then right now it outputs the default (don't know how to make it output nothing or skip). But using the output index, it indexes from another array to receive another corresponding element. I want to populate a new array with these elements which pass the decision process on the left. I think I'm supposed to use Replace Array Subset function but I don't know how to set the index for that function so it increments after each new element is put in.
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06-27-12-block-half-array.PNG 31 KBGhoster wrote:
I don't really know why checking for inequality is unnecessary for dbl.
There are many discussions about hwo equality checks are invalid for floating point numbers due to rounding somewhere in the binary code. Every computer language has this issue.
Ghoster wrote:
But no, that's not what I want. I want it to step each index of the new array and populate it with values based on the logic in the case structure. (not just the 0th element).
How large is your initial array? If it is less than 1000 elements, then your results make perfect sense.
Anyways, here's an example of what I was saying with the shift registers.
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Unofficial Forum Rules and Guidelines
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Satheesh KumarHi,
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