problem with bind variables in the SQL query view object
Hi all
I use JDev 11.1.2.4.0.
I have a problem with bind variables in the SQL query view object.
This is my original SQL
SELECT sum(t.TIME) , t.legertype_id
FROM LEDGER t
WHERE t.nctuser_id = '20022'
AND to_char(t.insertdate,'YYYYMMDD') in ('20130930','20130929')
group by t.legertype_id
In my view .xml object query tab, I am writing this
SELECT sum(t.TIME) , t.legertype_id FROM LEDGER t WHERE t.nctuser_id = '20022' AND to_char(t.insertdate,'YYYYMMDD') in :dddd group by t.legertype_id
Davis here is a variable of Type liaison: String, updatable and necessary.
I try to deal with Davis as ('20130930 ', ' 20130929') hoping the view object, run as my original SQL.
But failed. The view object retrieves 0 line after that I run.
Why?
Thank you! ('2original SQL0130930', '20130929') ('20130930 ', ' 20130929')
A variable binding cannot be used as this is why you must use years table. Check decompilation binary ADF: using oracle.jbo.domain.Array with ViewCriteria to see a solution.
Timo
Tags: Java
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===================================SQL> variable ppe_date varchar2(10) SQL> variable erncd varchar2(3) SQL> exec :ppe_date := '2009-10-10' SQL> exec :erncd := '01' SQL> SELECT COUNT(*) 2 FROM PS_ERN_PROG_DESCR A 3 WHERE A.ERN_PROGRAM = 'VT' 4 AND A.ERNCD = '01' 5 AND EFFDT = 6 (SELECT MAX(B.EFFDT) 7 FROM PS_ERN_PROG_DESCR B 8 WHERE B.ERN_PROGRAM = 'VT' 9 AND B.EFFDT <= TO_DATE('2009-10-10','YYYY-MM-DD') 10 ); COUNT(*) ---------- 1 Elapsed: 00:00:01.23 Execution Plan ---------------------------------------------------------- 0 SELECT STATEMENT Optimizer=ALL_ROWS (Cost=59 Card=1 Bytes=33) 1 0 SORT (AGGREGATE) 2 1 NESTED LOOPS (Cost=3 Card=1 Bytes=33) 3 2 NESTED LOOPS (Cost=2 Card=1 Bytes=22) 4 3 INDEX (UNIQUE SCAN) OF 'PS_ERN_PROGRAM_DEF' (INDEX (UNIQUE)) (Cost=1 Card=1 Bytes=12) 5 4 SORT (AGGREGATE) 6 5 VIEW (Cost=52 Card=24 Bytes=216) 7 6 FILTER 8 7 SORT (GROUP BY) (Cost=52 Card=24 Bytes=1824) 9 8 HASH JOIN (Cost=50 Card=3177 Bytes=241452) 10 9 TABLE ACCESS (FULL) OF 'PS_EARNINGS_TBL' (TABLE) (Cost=15 Card=1921 Bytes=24973) 11 9 HASH JOIN (Cost=31 Card=14488 Bytes=912744) 12 11 TABLE ACCESS (FULL) OF 'PS_EARNINGS_TBL' (TABLE) (Cost=14 Card=1921 Bytes=42262) 13 11 HASH JOIN (Cost=15 Card=3303 Bytes=135423) 14 13 TABLE ACCESS (FULL) OF 'PS_ERN_PROGRAM_TBL' (TABLE) (Cost=2 Card=9 Bytes=207) 15 13 TABLE ACCESS (FULL) OF 'PS_ERN_PROGRAM_DEF' (TABLE) (Cost=12 Card=12856 Bytes=231408) 16 3 INDEX (RANGE SCAN) OF 'PS_EARNINGS_TBL' (INDEX (UNIQUE)) (Cost=1 Card=1 Bytes=10) 17 16 SORT (AGGREGATE) 18 17 INDEX (RANGE SCAN) OF 'PS_EARNINGS_TBL' (INDEX (UNIQUE)) (Cost=2 Card=1 Bytes=10) 19 2 TABLE ACCESS (BY INDEX ROWID) OF 'PS_ERN_PROGRAM_TBL' (TABLE) (Cost=1 Card=1 Bytes=11) 20 19 INDEX (UNIQUE SCAN) OF 'PS_ERN_PROGRAM_TBL' (INDEX (UNIQUE)) (Cost=0 Card=1) Statistics ---------------------------------------------------------- 0 recursive calls 0 db block gets 182 consistent gets 0 physical reads 0 redo size 232 bytes sent via SQL*Net to client 278 bytes received via SQL*Net from client 2 SQL*Net roundtrips to/from client 1 sorts (memory) 0 sorts (disk) 1 rows processed SQL> spool off
This is the 'bad' query using bindings:
===================================
The 'bad' explain planSELECT COUNT(*) FROM sysadm.PS_ERN_PROG_DESCR A WHERE A.ERN_PROGRAM = 'VT' AND A.ERNCD = :erncd AND EFFDT = (SELECT MAX(B.EFFDT) FROM sysadm.PS_ERN_PROG_DESCR B WHERE B.ERN_PROGRAM = 'VT' AND B.EFFDT <= TO_DATE(:ppe_date,'YYYY-MM-DD') );
Here's the bad autotrace:explain plan succeeded. PLAN_TABLE_OUTPUT ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Plan hash value: 337039962 -------------------------------------------------------------------------------------------------------- | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | -------------------------------------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | 1 | 33 | 20 (25)| 00:00:01 | | 1 | SORT AGGREGATE | | 1 | 33 | | | | 2 | NESTED LOOPS | | 1 | 33 | 3 (0)| 00:00:01 | | 3 | NESTED LOOPS | | 1 | 22 | 2 (0)| 00:00:01 | |* 4 | INDEX UNIQUE SCAN | PS_ERN_PROGRAM_DEF | 1 | 12 | 1 (0)| 00:00:01 | | 5 | SORT AGGREGATE | | 1 | 63 | | | | 6 | NESTED LOOPS | | 1 | 63 | 13 (39)| 00:00:01 | | 7 | NESTED LOOPS | | 1 | 52 | 12 (42)| 00:00:01 | |* 8 | HASH JOIN | | 4 | 168 | 12 (42)| 00:00:01 | | 9 | VIEW | VW_SQ_1 | 88 | 2112 | 9 (45)| 00:00:01 | | 10 | SORT GROUP BY | | 88 | 2728 | 9 (45)| 00:00:01 | | 11 | MERGE JOIN | | 3087 | 95697 | 7 (29)| 00:00:01 | | 12 | SORT JOIN | | 643 | 11574 | 2 (0)| 00:00:01 | |* 13 | INDEX RANGE SCAN | PS_ERN_PROGRAM_DEF | 643 | 11574 | 2 (0)| 00:00:01 | |* 14 | SORT JOIN | | 96 | 1248 | 5 (40)| 00:00:01 | |* 15 | INDEX FAST FULL SCAN | PS_EARNINGS_TBL | 96 | 1248 | 4 (25)| 00:00:01 | |* 16 | INDEX RANGE SCAN | PS_ERN_PROGRAM_DEF | 643 | 11574 | 2 (0)| 00:00:01 | |* 17 | INDEX UNIQUE SCAN | PS_EARNINGS_TBL | 1 | 10 | 0 (0)| 00:00:01 | |* 18 | TABLE ACCESS BY INDEX ROWID| PS_ERN_PROGRAM_TBL | 1 | 11 | 1 (0)| 00:00:01 | |* 19 | INDEX UNIQUE SCAN | PS_ERN_PROGRAM_TBL | 1 | | 0 (0)| 00:00:01 | |* 20 | INDEX RANGE SCAN | PS_EARNINGS_TBL | 1 | 10 | 1 (0)| 00:00:01 | | 21 | SORT AGGREGATE | | 1 | 10 | | | |* 22 | INDEX RANGE SCAN | PS_EARNINGS_TBL | 1 | 10 | 2 (0)| 00:00:01 | |* 23 | TABLE ACCESS BY INDEX ROWID | PS_ERN_PROGRAM_TBL | 1 | 11 | 1 (0)| 00:00:01 | |* 24 | INDEX UNIQUE SCAN | PS_ERN_PROGRAM_TBL | 1 | | 0 (0)| 00:00:01 | -------------------------------------------------------------------------------------------------------- Predicate Information (identified by operation id): --------------------------------------------------- 4 - access("A"."ERN_PROGRAM"='VT' AND "A"."EFFDT"= (SELECT MAX("A"."EFFDT") FROM SYSADM."PS_EARNINGS_TBL" "C",SYSADM."PS_ERN_PROGRAM_TBL" "B",SYSADM."PS_ERN_PROGRAM_DEF" "A", (SELECT MAX(SYS_OP_UNDESCEND(SYS_OP_DESCEND("EFFDT"))) "VW_COL_1","D"."ERNCD" "ERNCD",ROWID "ROWID" FROM SYSADM."PS_EARNINGS_TBL" "D","PS_ERN_PROGRAM_DEF" "A" WHERE "A"."EFFDT"<=TO_DATE(:PPE_DATE,'YYYY-MM-DD') AND "A"."ERN_PROGRAM"='VT' AND SYS_OP_UNDESCEND(SYS_OP_DESCEND("EFFDT"))<=INTERNAL_FUNCTION("A"."EFFDT") AND SYS_OP_UNDESCEND(SYS_OP_DESCEND("EFFDT"))<=TO_DATE(:PPE_DATE,'YYYY-MM-DD') GROUP BY "D"."ERNCD",ROWID) "VW_SQ_1" WHERE "ROWID"=ROWID AND "A"."EFFDT"<=TO_DATE(:PPE_DATE,'YYYY-MM-DD') AND "A"."ERN_PROGRAM"='VT' AND "A"."EFFDT"="B"."EFFDT" AND "B"."ERN_PROGRAM"='VT' AND "B"."EFF_STATUS"='A' AND "B"."EFFDT"<=TO_DATE(:PPE_DATE,'YYYY-MM-DD') AND SYS_OP_DESCEND("EFFDT")=SYS_OP_DESCEND("VW_COL_1") AND "ERNCD"="C"."ERNCD" AND "C"."ERNCD"="A"."ERNCD" AND SYS_OP_UNDESCEND(SYS_OP_DESCEND("EFFDT"))="VW_COL_1") AND "A"."ERNCD"=:ERNCD) 8 - access("ROWID"=ROWID) 13 - access("A"."ERN_PROGRAM"='VT' AND "A"."EFFDT"<=TO_DATE(:PPE_DATE,'YYYY-MM-DD')) 14 - access(SYS_OP_UNDESCEND(SYS_OP_DESCEND("EFFDT"))<=INTERNAL_FUNCTION("A"."EFFDT")) filter(SYS_OP_UNDESCEND(SYS_OP_DESCEND("EFFDT"))<=INTERNAL_FUNCTION("A"."EFFDT")) 15 - filter(SYS_OP_UNDESCEND(SYS_OP_DESCEND("EFFDT"))<=TO_DATE(:PPE_DATE,'YYYY-MM-DD')) 16 - access("A"."ERN_PROGRAM"='VT' AND "A"."EFFDT"<=TO_DATE(:PPE_DATE,'YYYY-MM-DD')) 17 - access("ERNCD"="C"."ERNCD" AND SYS_OP_DESCEND("EFFDT")=SYS_OP_DESCEND("VW_COL_1")) filter("C"."ERNCD"="A"."ERNCD" AND SYS_OP_UNDESCEND(SYS_OP_DESCEND("EFFDT"))="VW_COL_1") 18 - filter("B"."EFF_STATUS"='A') 19 - access("B"."ERN_PROGRAM"='VT' AND "A"."EFFDT"="B"."EFFDT") filter("B"."EFFDT"<=TO_DATE(:PPE_DATE,'YYYY-MM-DD')) 20 - access("C"."ERNCD"=:ERNCD) filter(SYS_OP_UNDESCEND(SYS_OP_DESCEND("EFFDT"))= (SELECT MAX(SYS_OP_UNDESCEND(SYS_OP_DESCEND("EFFDT"))) FROM SYSADM."PS_EARNINGS_TBL" "D" WHERE SYS_OP_DESCEND("EFFDT") IS NOT NULL AND SYS_OP_DESCEND("EFFDT")>=SYS_OP_DESCEND(:B1) AND "D"."ERNCD"=:B2 AND SYS_OP_UNDESCEND(SYS_OP_DESCEND("EFFDT"))<=:B3)) 22 - access("D"."ERNCD"=:B1 AND SYS_OP_DESCEND("EFFDT")>=SYS_OP_DESCEND(:B2) AND SYS_OP_DESCEND("EFFDT") IS NOT NULL) filter(SYS_OP_UNDESCEND(SYS_OP_DESCEND("EFFDT"))<=:B1) 23 - filter("B"."EFF_STATUS"='A') 24 - access("B"."ERN_PROGRAM"='VT' AND "A"."EFFDT"="B"."EFFDT")SQL> variable ppe_date varchar2(10) SQL> variable erncd varchar2(3) SQL> exec :ppe_date := '2009-10-10' SQL> exec :erncd := '01' SQL> SELECT COUNT(*) 2 FROM PS_ERN_PROG_DESCR A 3 WHERE A.ERN_PROGRAM = 'VT' 4 AND A.ERNCD = :erncd 5 AND EFFDT = 6 (SELECT MAX(B.EFFDT) 7 FROM PS_ERN_PROG_DESCR B 8 WHERE B.ERN_PROGRAM = 'VT' 9 AND B.EFFDT <= TO_DATE(:ppe_date,'YYYY-MM-DD') 10 ); COUNT(*) ---------- 1 Elapsed: 00:04:07.40 Execution Plan ---------------------------------------------------------- 0 SELECT STATEMENT Optimizer=ALL_ROWS (Cost=20 Card=1 Bytes=33) 1 0 SORT (AGGREGATE) 2 1 NESTED LOOPS (Cost=3 Card=1 Bytes=33) 3 2 NESTED LOOPS (Cost=2 Card=1 Bytes=22) 4 3 INDEX (UNIQUE SCAN) OF 'PS_ERN_PROGRAM_DEF' (INDEX (UNIQUE)) (Cost=1 Card=1 Bytes=12) 5 4 SORT (AGGREGATE) 6 5 NESTED LOOPS (Cost=13 Card=1 Bytes=63) 7 6 NESTED LOOPS (Cost=12 Card=1 Bytes=52) 8 7 HASH JOIN (Cost=12 Card=4 Bytes=168) 9 8 VIEW OF 'VW_SQ_1' (VIEW) (Cost=9 Card=88 Bytes=2112) 10 9 SORT (GROUP BY) (Cost=9 Card=88 Bytes=2728) 11 10 MERGE JOIN (Cost=7 Card=3087 Bytes=95697) 12 11 SORT (JOIN) (Cost=2 Card=643 Bytes=11574) 13 12 INDEX (RANGE SCAN) OF 'PS_ERN_PROGRAM_DEF' (INDEX (UNIQUE)) (Cost=2 Card=643 Bytes=11574) 14 11 SORT (JOIN) (Cost=5 Card=96 Bytes=1248) 15 14 INDEX (FAST FULL SCAN) OF 'PS_EARNINGS_TBL' (INDEX (UNIQUE)) (Cost=4 Card=96 Bytes=1248) 16 8 INDEX (RANGE SCAN) OF 'PS_ERN_PROGRAM_DEF' (INDEX (UNIQUE)) (Cost=2 Card=643 Bytes=11574) 17 7 INDEX (UNIQUE SCAN) OF 'PS_EARNINGS_TBL' (INDEX (UNIQUE)) (Cost=0 Card=1 Bytes=10) 18 6 TABLE ACCESS (BY INDEX ROWID) OF 'PS_ERN_PROGRAM_TBL' (TABLE) (Cost=1 Card=1 Bytes=11) 19 18 INDEX (UNIQUE SCAN) OF 'PS_ERN_PROGRAM_TBL' (INDEX (UNIQUE)) (Cost=0 Card=1) 20 3 INDEX (RANGE SCAN) OF 'PS_EARNINGS_TBL' (INDEX (UNIQUE)) (Cost=1 Card=1 Bytes=10) 21 20 SORT (AGGREGATE) 22 21 INDEX (RANGE SCAN) OF 'PS_EARNINGS_TBL' (INDEX (UNIQUE)) (Cost=2 Card=1 Bytes=10) 23 2 TABLE ACCESS (BY INDEX ROWID) OF 'PS_ERN_PROGRAM_TBL' (TABLE) (Cost=1 Card=1 Bytes=11) 24 23 INDEX (UNIQUE SCAN) OF 'PS_ERN_PROGRAM_TBL' (INDEX (UNIQUE)) (Cost=0 Card=1) Statistics ---------------------------------------------------------- 3820 recursive calls 66 db block gets 4677728 consistent gets 80608 physical reads 0 redo size 232 bytes sent via SQL*Net to client 278 bytes received via SQL*Net from client 2 SQL*Net roundtrips to/from client 2 sorts (memory) 1 sorts (disk) 1 rows processed SQL> spool offI think you have to hit some sort of bug in the optimizer. Do you have the histograms on the EFFDT column.
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JDev 11.1.2.1 method Execute (with bind variable) before the page is displayed
Hi all
I have a view object with a query that uses a variable binding. I drag the data on my .jsf page control to create a table. I create a query method on a bean in sight. The query method uses the content of one of the attributes of the bean to set the link for the query variable:
vo.setNamedWhereClauseParam ("CraIdBindVar", sessionBean.getCraId ());
I put a button on the page that calls the method of the request and it fills the table. That's fine, but I don't want the user to have to click the "query" button when browsing this page. I found forums dealing with create an AMImpl.jave method, create a link on the page, create an executable file for the link. It works that the method is executed until the page appears. However, the AMImpl method cannot call sessionBean.getCraid () to obtain the data required to complete the binding variable.
Is it possible to run my method of view range bean before the page is displayed? Or maybe a way for the AMImpl.java method to access the range of view variable?
Thank you, SteveSteve,
You can drag a call method on the workflow activity. Select the new method call activity, and open the property inspector. Here you choose your bean method in the method property. Now, first of all, you go to this activity of method call, then the page.Timo
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Problem with Bind variable cannot be changed.
Hi all
I use Jdev 11.1.2.3.0. In my VO, I created a Bind Variable and set it NOT UPDATABLE. Then, I created a display with some other Variables Bind criterion.
I use this criterion to display on a search page, but when running, I see also an inpunt for the defined variable NOT UPDATABLE text and I can't change its value.
Of course, if I try to change the value, and I do research, I get an error.
It is the source of the VO:
< variable
Name = "UlssVar".
Type = "where".
Type = "Java.lang.String"
IsUpdateable = "false" >
< TransientExpression > <! [CDATA [adf.context.current.sessionScope.get ('ulss')]] > < / TransientExpression >
< / variable >
Is this a bug of the ADF?
I thank in advance.Hello
try selecting the variable binding and open the property inspector, under the guidance of the user interface, set the flag of 'view' to hide. This should hide it (no bug for this reason)
Frank
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Help with time operations invloving the SQL query
I created 2 tables in my SQL. One is the user_info_table table that stores the connection time and time zone of login for each user. The other is the post_table that stores user postid, who makes the post time post and time zone for each message.
CREATE TABLE user_info ( user_id VARCHAR(20), login_date DATE, login_time_zone VARCHAR(20), PRIMARY KEY (user_id) );
Some examples of data for my paintings is as below.CREATE TABLE post_table ( post_id VARCHAR(20), user_id VARCHAR(20), datepost DATE, time_zone VARCHAR(20), PRIMARY KEY (post_id), FOREIGN KEY (user_id) REFERENCES user_info(user_id) ON DELETE CASCADE ) ;
I need to write a SQL query which - is the user whose time difference between the time of the connection and the last time when he or she wrote a post is the smallest. I need to consider the time zones here as well.INSERT INTO user_info VALUES( 'u1', to_date('9/17/2009 20:00','MM/DD/YYYY mi:ss'), -2 ); INSERT INTO user_info VALUES( 'u2', to_date('9/17/2009 19:55','MM/DD/YYYY mi:ss'), -4 ); INSERT INTO post_table VALUES( 'p1', 'u1', to_date('9/17/2009 20:50','MM/DD/YYYY mi:ss'), 6 ); INSERT INTO post_table VALUES( 'p2', 'u2', to_date('9/17/2009 20:30','MM/DD/YYYY mi:ss'), -5 ); INSERT INTO post_table VALUES( 'p3', 'u2', to_date('9/18/2009 6:00','MM/DD/YYYY mi:ss'), 2 ); INSERT INTO post_table VALUES( 'p4', 'u1', to_date('9/17/2009 21:00','MM/DD/YYYY mi:ss'), -3 );
I am not sure if time_zone must be of type VARCHAR or TIMESTAMP then have created as a VARCHAR in my paintings.
Someone help me please to form this query.
PS: How can I tags < code > user in this forum to write sql statements.
Published by: user11994430 on October 9, 2009 17:59You can do this by adding a clause of "HAVING" as shown below. However, with your test defined data it returns ZERO rows because for all users of the MAX (DATEPOST) IS LESS than MAX (LOGIN_DATE)
SELECT USER_ID FROM ( SELECT USER_ID , DENSE_RANK() OVER (ORDER BY POST_LOGIN_DIFF) RNK FROM ( SELECT USER_INFO.USER_ID , MAX(DATEPOST) - MAX(LOGIN_DATE) AS POST_LOGIN_DIFF FROM USER_INFO JOIN POST_TABLE ON POST_TABLE.USER_ID = USER_INFO.USER_ID GROUP BY USER_INFO.USER_ID HAVING MAX(DATEPOST) > MAX(LOGIN_DATE) ) ) WHERE RNK = 1 -
VO with bind variable defined in SQL is not updated correctly
Hi Experts,
I have a simple question here, could you please help answer? Thank you very much!
I have 2 pages, the first page displays an employee table, the second page shows a few details to the selected employee. When to choose a single employee and click the details button I can be naviaged to the second page and see the details for the selected employee. The vo used on the second page uses a connection variable called "empId" thing for a 'adf.context.pageFlowScope.empId' pageFlowScope value, and this value pageFlowScope will be filled to the empId selected detail button actionListener during execution).
The question is, now first navigation is ok, the details of the page can display the correct information for the employee selected on the page of the employee, but when browsing back and choosing another employee, and then again click the details button, the details of the page is NOT updated, it still shows the initial information for the selected employee. I debug the actionListener in support bean and the second selected empId passed to pageFlowScope.empId, the link in the t variable should get the new value, right? But why the second page gets no updates (request using the new value of the bind variable)?
Thank you!
Published by: user774592 on July 20, 2011 23:13
Published by: user774592 on July 20, 2011 23:15
Published by: user774592 on July 20, 2011 23:15In theory, if you expose specific objects of customer to your business (for example pageflowscope) service layer, you may miss 1. test driven development assistance (case of unit test can fail) 2. Customer service of independent business etc... :)
To respond to your request try to call TargetPagesVO.execute () before the second page (by program or activity method) -
Problem with in shadow on the text on another object
Hello!
See the attachment on the following link https://dl.dropboxusercontent.com/u/21034413/TEST_PROBLEM.indd.
I try to give the effect of outer glow on the text that goes on a white rectangle; in the real case, it is an image with a white background. As you can see, the shadow effect does not apply on parties going on the rectangle. I can't know which configuration it is this influence.
Thanks in advance and best wishes,
MaxChange the blending mode to multiply wants to make glow to display on the filling [paper], but perhaps other side effects as well.
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Get the bind variables name string SQL or the cursor
Hello
Is there way to get of the bind variables name string SQL or the cursor?
Example of
What I mean with the SQL string:DECLARE l_sql VARCHAR2(2000); desctab DBMS_SQL.DESC_TAB; curid PLS_INTEGER; BEGIN l_sql := 'SELECT * FROM emp WHERE mgr = :X and deptno = :Y'; curid := dbms_sql.open_cursor; dbms_sql.parse(curid, l_sql, dbms_sql.NATIVE); .... END;
I love to get using some functions from above code variable l_sql all the bind variable.
In this case the function should return array where is for example: X and: Y
Back to bind the cursor variable names, I mean same but rather string I pass number of cursor.
Y at - it sucks ready function or some may share a code customized for this purpose?
Thanks
Kind regards
Jari
http://dbswh.webhop.NET/dbswh/f?p=blog:Home:0Regards,
Published by: jarola December 19, 2011 02:44
I found there are wwv_flow_utilities.get_binds of the function not documented in APEX packages that do what I want.
Usage example
But I would not use these functions without papers as those who can change or there is no future versions APEX.set serveroutput on DECLARE binds DBMS_SQL.varchar2_table; BEGIN binds := wwv_flow_utilities.get_binds('select :P1_TEST from dual'); FOR i IN 1 .. binds.count LOOP dbms_output.put_line(binds(i)); END LOOP; END; / anonymous block completed :P1_TEST
Is there a documented function or the custom function that do the same thing as wwv_flow_utilities.get_binds?Some old basic example code of my friends. Also the media getting the bind variable of PL/SQL code blocks anon.
SQL> create or replace function GetBindVariables( statement varchar2 ) return TStrings is 2 --// bind variables names are terminated by one the following special chars 3 SPECIAL_CHAR constant TStrings := TStrings(' ',')','+','-','>','<','*',',','=',';',CHR(10),CHR(13)); 4 5 --// max size of a bind var name 6 MAX_VARSIZE constant integer := 100; 7 8 pos integer; 9 pos1 integer; 10 occur integer; 11 varName varchar2(100); 12 varList TStrings; 13 begin 14 varList := new TStrings(); 15 16 --// looking for the 1st occurance of a bind variable 17 occur := 1; 18 19 loop 20 pos := InStr( statement, ':', 1, occur ); 21 exit when pos = 0; 22 23 varName := SubStr( statement, pos, 100 ); 24 25 --// find the terminating char trailing the 26 --// bind variable name 27 pos1 := Length( varName ); 28 for i in 1..SPECIAL_CHAR.Count 29 loop 30 pos := InStr( varName, SPECIAL_CHAR(i) ) - 1; 31 if (pos > 0) and (pos < pos1) then 32 pos1 := pos; 33 end if; 34 end loop; 35 36 --// extract the actual bind var name (without 37 --// colon char prefix) 38 varName := SubStr( varName, 2, pos1-1 ); 39 40 --// maintain a unique list of var names 41 if not varName member of varList then 42 varList.Extend(1); 43 varList( varList.Count ) := varName; 44 end if; 45 46 --// look for the next occurance 47 occur := occur + 1; 48 end loop; 49 50 return( varList ); 51 end; 52 / Function created. SQL> SQL> select 2 column_value as BIND_VAR 3 from TABLE( 4 GetBindVariables('select * from foo where col=:BIND1 and day = to_date(:B2,''yyyy/mm/dd'')') 5 ); BIND_VAR ------------------------------ BIND1 B2 SQL>PS. just realize this code is case-sensitive, while variable bind is not. Should throw a upper() or lower() by adding the name of the var to the list - never really a problem for me because I'm pretty tense when it use cases correctly in the code. ;-)
Published by: Billy Verreynne, December 19, 2011 06:19
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Report with the sql query area
Hello
I have a region in relation to the sql query. There are two regions in the page. Top of page, the user enters data and after that second data enterd to see the region, which is related region
based on a sql query.
Now, when this page is opned, because the user has not entered anything, region report shows the message "no data found". Is it possible to remove this message or
may I have conditionally disaply region report IE if data are inserted only region report is dispalyed.
Thank youHello
You can use conditions for example "Exists (SQL query returns at least one row).
Kind regards
Jari
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