oracle apex 18.2 pl/sql function body returning sql query checking page item value





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I am Creating a interacitve repor pl/sql function body returning sql query
I have a page item :P1_DIVISION_ID to pass as parameter as well as check item value is not null as show below



declare
lv_query varchar2(4000);
begin
IF :P1_DIVISION_ID IS NOT NULL THEN
select 'select DIVISION,
CUSTOMER_ID,
PARTY_NAME,
ACCOUNT_NUMBER,
ORG_ID,
OU_NAME,
AGING_1_30,
AGING_31_60,
AGING_61_90,
ABOVE_90,
CURRENT_BALANCE,
PAST_DUE,
WEBSITE_STATUS,
BLOCK_DATE,
BLOCK_REASON,
TOTAL_NUM_LOGIN,
CP_LAST_PAY_DT,
CP_LAST_AMT,
CP_LAST_PAY_MODE,
CP_AGE,
CP_STATUS,
CP_DATE,
CP_DEFF,
CP_UNBILL,
CP_PHONE,
CP_EMAIL,
CP_ACCT_MGR,
FU_ASSIGN,
CP_LTR_SENT_DATE,
CP_LTR_TYPE,
CP_COMMENTS,
COMMENTS
from XX_CUSTOMER_AGING_V WHERE DIVISION '||:P1_DIVISION_ID INTO lv_query
FROM DUAL;
END IF;


RETURN lv_query;


end;


BUT when i validate the query it show me the below errors



ORA-20999: WWV_FLOW_EXEC.NULL_QUERY_RETURNED_BY_FUNCTION



Suggestion required to handle the error










share|improve this question































    0















    I am Creating a interacitve repor pl/sql function body returning sql query
    I have a page item :P1_DIVISION_ID to pass as parameter as well as check item value is not null as show below



    declare
    lv_query varchar2(4000);
    begin
    IF :P1_DIVISION_ID IS NOT NULL THEN
    select 'select DIVISION,
    CUSTOMER_ID,
    PARTY_NAME,
    ACCOUNT_NUMBER,
    ORG_ID,
    OU_NAME,
    AGING_1_30,
    AGING_31_60,
    AGING_61_90,
    ABOVE_90,
    CURRENT_BALANCE,
    PAST_DUE,
    WEBSITE_STATUS,
    BLOCK_DATE,
    BLOCK_REASON,
    TOTAL_NUM_LOGIN,
    CP_LAST_PAY_DT,
    CP_LAST_AMT,
    CP_LAST_PAY_MODE,
    CP_AGE,
    CP_STATUS,
    CP_DATE,
    CP_DEFF,
    CP_UNBILL,
    CP_PHONE,
    CP_EMAIL,
    CP_ACCT_MGR,
    FU_ASSIGN,
    CP_LTR_SENT_DATE,
    CP_LTR_TYPE,
    CP_COMMENTS,
    COMMENTS
    from XX_CUSTOMER_AGING_V WHERE DIVISION '||:P1_DIVISION_ID INTO lv_query
    FROM DUAL;
    END IF;


    RETURN lv_query;


    end;


    BUT when i validate the query it show me the below errors



    ORA-20999: WWV_FLOW_EXEC.NULL_QUERY_RETURNED_BY_FUNCTION



    Suggestion required to handle the error










    share|improve this question



























      0












      0








      0








      I am Creating a interacitve repor pl/sql function body returning sql query
      I have a page item :P1_DIVISION_ID to pass as parameter as well as check item value is not null as show below



      declare
      lv_query varchar2(4000);
      begin
      IF :P1_DIVISION_ID IS NOT NULL THEN
      select 'select DIVISION,
      CUSTOMER_ID,
      PARTY_NAME,
      ACCOUNT_NUMBER,
      ORG_ID,
      OU_NAME,
      AGING_1_30,
      AGING_31_60,
      AGING_61_90,
      ABOVE_90,
      CURRENT_BALANCE,
      PAST_DUE,
      WEBSITE_STATUS,
      BLOCK_DATE,
      BLOCK_REASON,
      TOTAL_NUM_LOGIN,
      CP_LAST_PAY_DT,
      CP_LAST_AMT,
      CP_LAST_PAY_MODE,
      CP_AGE,
      CP_STATUS,
      CP_DATE,
      CP_DEFF,
      CP_UNBILL,
      CP_PHONE,
      CP_EMAIL,
      CP_ACCT_MGR,
      FU_ASSIGN,
      CP_LTR_SENT_DATE,
      CP_LTR_TYPE,
      CP_COMMENTS,
      COMMENTS
      from XX_CUSTOMER_AGING_V WHERE DIVISION '||:P1_DIVISION_ID INTO lv_query
      FROM DUAL;
      END IF;


      RETURN lv_query;


      end;


      BUT when i validate the query it show me the below errors



      ORA-20999: WWV_FLOW_EXEC.NULL_QUERY_RETURNED_BY_FUNCTION



      Suggestion required to handle the error










      share|improve this question
















      I am Creating a interacitve repor pl/sql function body returning sql query
      I have a page item :P1_DIVISION_ID to pass as parameter as well as check item value is not null as show below



      declare
      lv_query varchar2(4000);
      begin
      IF :P1_DIVISION_ID IS NOT NULL THEN
      select 'select DIVISION,
      CUSTOMER_ID,
      PARTY_NAME,
      ACCOUNT_NUMBER,
      ORG_ID,
      OU_NAME,
      AGING_1_30,
      AGING_31_60,
      AGING_61_90,
      ABOVE_90,
      CURRENT_BALANCE,
      PAST_DUE,
      WEBSITE_STATUS,
      BLOCK_DATE,
      BLOCK_REASON,
      TOTAL_NUM_LOGIN,
      CP_LAST_PAY_DT,
      CP_LAST_AMT,
      CP_LAST_PAY_MODE,
      CP_AGE,
      CP_STATUS,
      CP_DATE,
      CP_DEFF,
      CP_UNBILL,
      CP_PHONE,
      CP_EMAIL,
      CP_ACCT_MGR,
      FU_ASSIGN,
      CP_LTR_SENT_DATE,
      CP_LTR_TYPE,
      CP_COMMENTS,
      COMMENTS
      from XX_CUSTOMER_AGING_V WHERE DIVISION '||:P1_DIVISION_ID INTO lv_query
      FROM DUAL;
      END IF;


      RETURN lv_query;


      end;


      BUT when i validate the query it show me the below errors



      ORA-20999: WWV_FLOW_EXEC.NULL_QUERY_RETURNED_BY_FUNCTION



      Suggestion required to handle the error







      oracle-apex






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Nov 24 '18 at 18:13









      Mihai Chelaru

      2,485101424




      2,485101424










      asked Nov 16 '18 at 21:44









      user10266688user10266688

      127




      127
























          1 Answer
          1






          active

          oldest

          votes


















          2















          1. What is the query like when P1_DIVISION_ID? This function is returning a null because you didn't specify one, and hence the error.


          2. Don't do select ... into lv_query from dual. Just assign the string to the variable.


          3. Your function isn't doing much so why are you even doing this? Why not just a SQL query for the source?







          share|improve this answer



















          • 1





            +1; there's nothing dynamic in that query, so - no point in a function that returns a query. A simple SELECT whatever FROM XX_CUSTOMER_AGING_V WHERE DIVISION = :P1_DIVISION_ID would suffice.

            – Littlefoot
            Nov 17 '18 at 17:09











          • I have 4 difference where clauses on the basis of 4 page items , i want to check if any of page item is not null the same query will be returned with some different where clause

            – user10266688
            Nov 17 '18 at 17:13











          • We don't see that level of detail in your question, so you are the best judge on whether the query by function is appropriate. I have rarely used this as a source since most use cases are met with a carefully crafted WHERE clause. If this is necessary, just make sure that the function always returns a valid SQL query.

            – Adrian P
            Nov 17 '18 at 23:47











          • And build your bind variables into the query string - don't concanate them, which transforms them into literals.

            – Scott
            Nov 20 '18 at 2:20












          Your Answer






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          1 Answer
          1






          active

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          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          2















          1. What is the query like when P1_DIVISION_ID? This function is returning a null because you didn't specify one, and hence the error.


          2. Don't do select ... into lv_query from dual. Just assign the string to the variable.


          3. Your function isn't doing much so why are you even doing this? Why not just a SQL query for the source?







          share|improve this answer



















          • 1





            +1; there's nothing dynamic in that query, so - no point in a function that returns a query. A simple SELECT whatever FROM XX_CUSTOMER_AGING_V WHERE DIVISION = :P1_DIVISION_ID would suffice.

            – Littlefoot
            Nov 17 '18 at 17:09











          • I have 4 difference where clauses on the basis of 4 page items , i want to check if any of page item is not null the same query will be returned with some different where clause

            – user10266688
            Nov 17 '18 at 17:13











          • We don't see that level of detail in your question, so you are the best judge on whether the query by function is appropriate. I have rarely used this as a source since most use cases are met with a carefully crafted WHERE clause. If this is necessary, just make sure that the function always returns a valid SQL query.

            – Adrian P
            Nov 17 '18 at 23:47











          • And build your bind variables into the query string - don't concanate them, which transforms them into literals.

            – Scott
            Nov 20 '18 at 2:20
















          2















          1. What is the query like when P1_DIVISION_ID? This function is returning a null because you didn't specify one, and hence the error.


          2. Don't do select ... into lv_query from dual. Just assign the string to the variable.


          3. Your function isn't doing much so why are you even doing this? Why not just a SQL query for the source?







          share|improve this answer



















          • 1





            +1; there's nothing dynamic in that query, so - no point in a function that returns a query. A simple SELECT whatever FROM XX_CUSTOMER_AGING_V WHERE DIVISION = :P1_DIVISION_ID would suffice.

            – Littlefoot
            Nov 17 '18 at 17:09











          • I have 4 difference where clauses on the basis of 4 page items , i want to check if any of page item is not null the same query will be returned with some different where clause

            – user10266688
            Nov 17 '18 at 17:13











          • We don't see that level of detail in your question, so you are the best judge on whether the query by function is appropriate. I have rarely used this as a source since most use cases are met with a carefully crafted WHERE clause. If this is necessary, just make sure that the function always returns a valid SQL query.

            – Adrian P
            Nov 17 '18 at 23:47











          • And build your bind variables into the query string - don't concanate them, which transforms them into literals.

            – Scott
            Nov 20 '18 at 2:20














          2












          2








          2








          1. What is the query like when P1_DIVISION_ID? This function is returning a null because you didn't specify one, and hence the error.


          2. Don't do select ... into lv_query from dual. Just assign the string to the variable.


          3. Your function isn't doing much so why are you even doing this? Why not just a SQL query for the source?







          share|improve this answer














          1. What is the query like when P1_DIVISION_ID? This function is returning a null because you didn't specify one, and hence the error.


          2. Don't do select ... into lv_query from dual. Just assign the string to the variable.


          3. Your function isn't doing much so why are you even doing this? Why not just a SQL query for the source?








          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 17 '18 at 16:42









          Adrian PAdrian P

          47148




          47148








          • 1





            +1; there's nothing dynamic in that query, so - no point in a function that returns a query. A simple SELECT whatever FROM XX_CUSTOMER_AGING_V WHERE DIVISION = :P1_DIVISION_ID would suffice.

            – Littlefoot
            Nov 17 '18 at 17:09











          • I have 4 difference where clauses on the basis of 4 page items , i want to check if any of page item is not null the same query will be returned with some different where clause

            – user10266688
            Nov 17 '18 at 17:13











          • We don't see that level of detail in your question, so you are the best judge on whether the query by function is appropriate. I have rarely used this as a source since most use cases are met with a carefully crafted WHERE clause. If this is necessary, just make sure that the function always returns a valid SQL query.

            – Adrian P
            Nov 17 '18 at 23:47











          • And build your bind variables into the query string - don't concanate them, which transforms them into literals.

            – Scott
            Nov 20 '18 at 2:20














          • 1





            +1; there's nothing dynamic in that query, so - no point in a function that returns a query. A simple SELECT whatever FROM XX_CUSTOMER_AGING_V WHERE DIVISION = :P1_DIVISION_ID would suffice.

            – Littlefoot
            Nov 17 '18 at 17:09











          • I have 4 difference where clauses on the basis of 4 page items , i want to check if any of page item is not null the same query will be returned with some different where clause

            – user10266688
            Nov 17 '18 at 17:13











          • We don't see that level of detail in your question, so you are the best judge on whether the query by function is appropriate. I have rarely used this as a source since most use cases are met with a carefully crafted WHERE clause. If this is necessary, just make sure that the function always returns a valid SQL query.

            – Adrian P
            Nov 17 '18 at 23:47











          • And build your bind variables into the query string - don't concanate them, which transforms them into literals.

            – Scott
            Nov 20 '18 at 2:20








          1




          1





          +1; there's nothing dynamic in that query, so - no point in a function that returns a query. A simple SELECT whatever FROM XX_CUSTOMER_AGING_V WHERE DIVISION = :P1_DIVISION_ID would suffice.

          – Littlefoot
          Nov 17 '18 at 17:09





          +1; there's nothing dynamic in that query, so - no point in a function that returns a query. A simple SELECT whatever FROM XX_CUSTOMER_AGING_V WHERE DIVISION = :P1_DIVISION_ID would suffice.

          – Littlefoot
          Nov 17 '18 at 17:09













          I have 4 difference where clauses on the basis of 4 page items , i want to check if any of page item is not null the same query will be returned with some different where clause

          – user10266688
          Nov 17 '18 at 17:13





          I have 4 difference where clauses on the basis of 4 page items , i want to check if any of page item is not null the same query will be returned with some different where clause

          – user10266688
          Nov 17 '18 at 17:13













          We don't see that level of detail in your question, so you are the best judge on whether the query by function is appropriate. I have rarely used this as a source since most use cases are met with a carefully crafted WHERE clause. If this is necessary, just make sure that the function always returns a valid SQL query.

          – Adrian P
          Nov 17 '18 at 23:47





          We don't see that level of detail in your question, so you are the best judge on whether the query by function is appropriate. I have rarely used this as a source since most use cases are met with a carefully crafted WHERE clause. If this is necessary, just make sure that the function always returns a valid SQL query.

          – Adrian P
          Nov 17 '18 at 23:47













          And build your bind variables into the query string - don't concanate them, which transforms them into literals.

          – Scott
          Nov 20 '18 at 2:20





          And build your bind variables into the query string - don't concanate them, which transforms them into literals.

          – Scott
          Nov 20 '18 at 2:20




















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