OraclePreparedStatement and dynamic where clause

I am trying to figure out a better and more efficient way to construct a dynamic sql statement where the one or more parameters can be passed which would be included in the where clause. I know I can simply use a case or if statement to build the where clause but I cant believe this is the only/best way to do it.
I was playing with OraclePreparedStatement but it only seems to work when the where columns are known. I need something like:
select something from somewhere
where ? = ?
And I can simply set 1 to be a column and 2 to be a value. I suppose I could sublcass or create my own class that does this.
Any help would be appreciated.
Ryan

>>>However, the problem is that my current structure doesn't all me to write any SQL to be written
on DAL
You cannot use dynamic sql in DAL? Have a stored procedure where you build dynamic sql and call it from
within DAL.
Best Regards,Uri Dimant SQL Server MVP,
http://sqlblog.com/blogs/uri_dimant/
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  • Dynamic where clause in my query

    I am using a view
    select * from vw_pt_inv_customer
    My requirement is have a web page where users can search for customers by filling in a form which has the following feilds: - User can fill in the form with all the feilds or not. I want a dynamic where clause.. how can i get this work for me?
    Title
    Firstname
    Surname
    Address1
    Address2
    Postcode
    Telephone No

    879796 wrote:
    I am using a view
    select * from vw_pt_inv_customer
    My requirement is have a web page What web frame work is used? Apex? Something else?
    where users can search for customers by filling in a form which has the following feilds: - User can fill in the form with all the feilds or not. I want a dynamic where clause.. how can i get this work for me?Dynamic where clauses are a Very Bad Idea (tm).
    And having an open ended search function on a web page is also not a great idea.
    If you are using Apex, the for performance (and even query flexibility) it will be better creating a separate reporting region for each unique query. A boolean rendering condition checks the existing bind variables in order to determine if that specific reporting region should be executed.
    This results in a reporting region having a proper and dedicated SQL query (no hacking of the where clause) and that region only being rendered for the proper combination of supplied filter criteria.
    A slightly more complex, but more flexible approach, is using a generic reporting region that calls a PL/SQL function that creates returns the SQL query for execution and rendering. The approach to this is very similar to constructing a SQL ref cursor (dynamically) for a client. The only difference is that instead of creating the actual ref cursor, the code simply needs to return the SQL source code statement - with bind variables. The Apex run-time does the rest (does the binds and execution and rendering).
    If you are not using Apex - you should still consider these approaches. And not hacking a single SQL to cater for all different types of filter conditions.

  • Dynamic where clause in select query

    Hi
    I'm trying for a dynamic query and in the dynamic where clause i'm checking a field for constant.....for instance if i wanna to use WERKS EQ '0478' how to declare it in dync where clause. i tried for the following:
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    CONDI = 'werks eq " '0287' " ' but no luck as it is not a valid stmt as i knew.

    hi prabhu,
    this is how u select dynamically...
    DATA: COND(72) TYPE C,
    ITAB LIKE TABLE OF COND.
    PARAMETERS: CITY1(10) TYPE C, CITY2(10) TYPE C.
    DATA WA TYPE SPFLI-CITYFROM.
    CONCATENATE 'CITYFROM = ''' CITY1 '''' INTO COND.
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    CONCATENATE 'OR CITYFROM = ''' CITY2 '''' INTO COND.
    APPEND COND TO ITAB.
    CONCATENATE 'OR CITYFROM = ''' 'BERLIN' '''' INTO COND.
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    LOOP AT ITAB INTO COND.
    WRITE COND.
    ENDLOOP.
    SKIP.
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    FROM SPFLI
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    regards,
    sohi

  • Dynamic Where clause in 4.6C [Literals allowed but not variables]

    Good afternoon-
    We have a dynamic select statement that works perfectly in 4.7 ext 2, but is causing a short dump in 4.6C. The error in the short dump says:
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    Here is the code:
    DATA: BEGIN OF L_WHERE_CLAUSE OCCURS 0,
            TEXT_LINE(60) TYPE C,
      END OF L_WHERE_CLAUSE.
      CLEAR L_WHERE_CLAUSE.
      IF NOT HDR_COMP_CODE IS INITIAL.
        SELECT SINGLE KTOPL
        INTO LV_KTOPL
        FROM T001
        WHERE BUKRS = HDR_COMP_CODE.
        L_WHERE_CLAUSE = 'B~BUKRS = HDR_COMP_CODE'.
        APPEND L_WHERE_CLAUSE.
        CLEAR  L_WHERE_CLAUSE.
        L_WHERE_CLAUSE = 'AND'.
        APPEND L_WHERE_CLAUSE.
        CLEAR  L_WHERE_CLAUSE.
        L_WHERE_CLAUSE = 'T~KTOPL = LV_KTOPL'.
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        CLEAR  L_WHERE_CLAUSE.
        L_WHERE_CLAUSE = 'AND'.
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        CLEAR  L_WHERE_CLAUSE.
      ENDIF.
      L_WHERE_CLAUSE = 'T~SPRAS = SY-LANGU'.
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      CLEAR  L_WHERE_CLAUSE.
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    Well, in this case, unless I'm missing something,  you do not requre a dynamic WHERE clause.  You can use RANGES instead.
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    *TEXT_LINE(60) TYPE C,
    *END OF L_WHERE_CLAUSE.
    ranges: r_bukrs for t001-bukrs.
    ranges: r_ktopl for t001-ktopl.
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    r_bukrs-sign = 'I'.
    r_bukrs-option = 'EQ'.
    r_bukrs-low = hdr_comp_code.
    append r_bukrs.
    SELECT SINGLE KTOPL
    INTO LV_KTOPL
    FROM T001
    WHERE BUKRS = HDR_COMP_CODE.
    clear r_ktopl. refresh r_ktopl.
    r_ktopl-sign = 'I'.
    r_ktopl-option = 'EQ'.
    r_ktopl-low = lv_ktopl.
    append r_ktopl.
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    *APPEND L_WHERE_CLAUSE.
    *CLEAR L_WHERE_CLAUSE.
    *L_WHERE_CLAUSE = 'AND'.
    *APPEND L_WHERE_CLAUSE.
    *CLEAR L_WHERE_CLAUSE.
    *L_WHERE_CLAUSE = 'T~KTOPL = LV_KTOPL'.
    *APPEND L_WHERE_CLAUSE.
    *CLEAR L_WHERE_CLAUSE.
    *L_WHERE_CLAUSE = 'AND'.
    *APPEND L_WHERE_CLAUSE.
    *CLEAR L_WHERE_CLAUSE.
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    *APPEND L_WHERE_CLAUSE.
    *CLEAR L_WHERE_CLAUSE.
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    INTO (LT_GL_ACCOUNT_DATA-GL_ACCOUNT, LT_GL_ACCOUNT_DATA-DESCRIPTION)
    FROM SKB1 AS B INNER JOIN SKAT AS T
    ON T~SAKNR = B~SAKNR
    WHERE  b~bukrs in r_bukrs
      and  t~ktopl in r_ktopl.
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    CLEAR LT_GL_ACCOUNT_DATA.
    ENDSELECT.
    Regards,
    Rich Heilman

  • Dynamic WHERE Clause in a Calendar

    I would like to have a Calendar display values based on a dynamic WHERE clause created using PL/SQL anonymous block evaluating the values of items that the user uses as filters. I have done this dynamic SQL for reports and would lke to do the same for a Calendar.

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  • How to create VO with multiple dynamic where clauses on select with UNION?

    I am trying to implement the View Object for the UNION query that looks like this:
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    So far, I was not able to assign both where clauses to the view object. Is there a workable solution for this problem, besides resorting to programmatic View Object?
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              where ... -- table relationship joints
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         select a,b,c,...
              from t11,t12, ...
              where ... -- table relationship joints
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    I afraid I would not have any real benefits from using VO if I replace the entire query with every request. Actually, the performance may suffer.
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    Edited by: viksicom on Aug 2, 2012 8:48 AM

  • Dynamic where clause in Loop

    Is iot possible to use a dynamic where clause in a loop?  If so how to you code this?
    i.e. Loop at itab in wa where (dynamic_where_clause)...
        endloop...
    Moderator message: please read ABAP documentation for your SAP release.
    Edited by: Thomas Zloch on Mar 29, 2011 3:20 PM

    You should be aware that a LOOP AT ... WHERE is not an optimized access .
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       so the loop goes over the whole table and does  
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    + it is optimzed for sorted tables, but only for one key!
    => so your idea must have bad performance!
    If this is not a problem, then you can solve the problem
    in the following way:
    loop at table
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       endif.
    endloop.
    But maybe is dynamic condition is not necessary, but
    a some fixed if-conditions are also o.k.
    Siegfried

  • Dynamic Where Clause in SQR

    How to construct dynamic WHERE clause in our sqr programming ?
    In my run control table I am having parameters fromdate, thrudate [mandatory parameters] and location as [Optional Parameter] how can I declare dynamic where clause to achieve this could any one help me with coding ? Here is my sample coding
    Begin-Procedure Main
    if $prcs_process_instance=' '
    do askvalues
    else
    do getvalues
    end-if
    End_Procedure Main
    Begin-Procedure askvalues
    input $frmdate 'Enter From Id' type=text format=number !Mandatory Parameter
    input $todate 'Enter To Id' type=text format=number !Mandatory Parameter
    input $loc 'Enter Location' value=text !Optional Parameter
    End-Procedure
    Begin-Procedure getvalues
    Begin-Select
    FROMDATE
    THRUDATE
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    let $frmdate=&FROMDATE
    let $todate=&THRUDATE
    let $loc=&SQR_LOCATION
    let where=-------------------------- ?
    FROM
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    Begin-Procedure selectall
    BEGIN-SELECT
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    END-SELECT
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    SQR will understand Where Clause as dynamic, when you include it in Square Brackets []
    In your case, since fromdate & thrudate are mandatory values, I would code like this
    let $frmdate=&FROMDATE
    let $todate=&THRUDATE
    let $loc=&SQR_LOCATION
    let $Where_Clause = 'SQREMPID BETWEEN' || ' ' || $frmdate || ' ' || 'AND' || ' ' ||$todate
    if $loc != ''
    let $Where_Clause = $Where_Clause || ' '|| 'AND' || ' ' || 'LOCATION = ' || $loc
    end-if
    Now you can use this Dynamic Where Clause in which procedure you want. Only thing is you need to encode the where clause with brackets([$Where_Clause])
    Edited by: 935179 on Sep 6, 2012 2:11 AM

  • ADF dynamic where clause for VO query using BC

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    Hi user,
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    Jeroen van Veldhuizen

  • Dynamic where clause for MULTIPLE values

    In the following of dynamic where clause?
    i have some somewhat different problem.
    Is a dynamic where clause for multiple values possible?
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    create table t
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    insert into t values (1 ,1 );
    insert into t values (2 ,1 );
    insert into t values (3 ,2 );
    insert into t values (4 ,3 );
    insert into t values (5 ,4 );
    insert into t values (6 ,4 );
    insert into t values (7 ,4 );
    insert into t values (8 ,4 );
    insert into t values (9 ,5 );
    insert into t values (10, 6);
    insert into t values (11, 6);
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    Please turn off your Caps Lock
    and try this link
    Dynamic WHERE clause

  • Creating dynamic where clause with string delimiter " ; "

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    3 third_shift

    Hi,
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  • Dynamic where clause with loop statement

    Hi all,
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    Hi Kathrin,
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    TYPES:
      BEGIN OF ty_sales,
        vbeln  TYPE vbak-vbeln,            " Sales document
        posnr  TYPE vbap-posnr,            " Sales document item
        matnr  TYPE vbap-matnr,            " Material number
        arktx  TYPE vbap-arktx,            " Short text for sales order item
        kwmeng TYPE vbap-kwmeng,           " Order quantity
        vkorg TYPE vbak-vkorg,             " Sales organization
        kunnr TYPE vbak-kunnr,             " Sold-to party
        netwr TYPE vbak-netwr,             " Net Value of the Sales Order
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    DATA: ob_from   TYPE REF TO cl_rs_where.
    DATA: ob_where  TYPE REF TO cl_rs_where,
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    START-OF-SELECTION.
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      PERFORM zf_build_select.
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      SELECT (ob_select->n_t_where)
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                  50 wa_sales-posnr,
                  60 wa_sales-matnr,
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      CALL METHOD cl_rs_where=>build_tabname_fieldname
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          i_tabname   = 'VBAK'
          i_fieldname = 'VBELN'
          i_sign      = '~'
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          e_combined  = gv_source.
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          i_line = gv_source.
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      CALL METHOD cl_rs_where=>build_tabname_fieldname
        EXPORTING
          i_tabname   = 'VBAK'
          i_fieldname = 'VKORG'
          i_sign      = '~'
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          e_combined  = gv_source.
    *Add the where line
      CALL METHOD ob_select->add_line
        EXPORTING
          i_line = gv_source.
      CLEAR gv_source.
      CALL METHOD cl_rs_where=>build_tabname_fieldname
        EXPORTING
          i_tabname   = 'VBAK'
          i_fieldname = 'KUNNR'
          i_sign      = '~'
        IMPORTING
          e_combined  = gv_source.
    *Add the where line
      CALL METHOD ob_select->add_line
        EXPORTING
          i_line = gv_source.
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      CALL METHOD cl_rs_where=>build_tabname_fieldname
        EXPORTING
          i_tabname   = 'VBAK'
          i_fieldname = 'NETWR'
          i_sign      = '~'
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          e_combined  = gv_source.
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      CALL METHOD ob_select->add_line
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          i_line = gv_source.
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      CALL METHOD cl_rs_where=>build_tabname_fieldname
        EXPORTING
          i_tabname   = 'VBAP'
          i_fieldname = 'POSNR'
          i_sign      = '~'
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          e_combined  = gv_source.
    *Add the where line
      CALL METHOD ob_select->add_line
        EXPORTING
          i_line = gv_source.
      CLEAR gv_source.
      CALL METHOD cl_rs_where=>build_tabname_fieldname
        EXPORTING
          i_tabname   = 'VBAP'
          i_fieldname = 'MATNR'
          i_sign      = '~'
        IMPORTING
          e_combined  = gv_source.
    *Add the where line
      CALL METHOD ob_select->add_line
        EXPORTING
          i_line = gv_source.
      CLEAR gv_source.
      CALL METHOD cl_rs_where=>build_tabname_fieldname
        EXPORTING
          i_tabname   = 'VBAP'
          i_fieldname = 'ARKTX'
          i_sign      = '~'
        IMPORTING
          e_combined  = gv_source.
    *Add the where line
      CALL METHOD ob_select->add_line
        EXPORTING
          i_line = gv_source.
      CLEAR gv_source.
      CALL METHOD cl_rs_where=>build_tabname_fieldname
        EXPORTING
          i_tabname   = 'VBAP'
          i_fieldname = 'KWMENG'
          i_sign      = '~'
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          e_combined  = gv_source.
    *Add the where line
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          i_line = gv_source.
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      CREATE OBJECT ob_from.
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      CALL METHOD ob_from->add_opening_bracket
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        EXPORTING
          i_line = gv_source.
      CLEAR gv_source.
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      lv_field TYPE REF TO data,
      lv_field_low TYPE REF TO data,
      lv_field_high TYPE REF TO data.
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         i_fieldnm  = 'VBAK~VBELN'
         i_operator = '='
         i_intlen   = 10
         i_datatp   = 'CHAR'
       IMPORTING
         e_r_field  = lv_field.
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       EXPORTING
         i_fieldnm = 'VBAK~VBELN'
         i_value   = '0000120020'.
    *Use this method if you want to assign a range of values
    *Set a range for the Sales Document number
      CALL METHOD ob_where->add_field_between_2values
        EXPORTING
          i_fieldnm      = 'VBAK~VBELN'
          i_intlen       = 10
          i_datatp       = 'CHAR'
        IMPORTING
          e_r_field_low  = lv_field_low
          e_r_field_high = lv_field_high.
      CALL METHOD ob_where->set_2values_for_field
        EXPORTING
          i_fieldnm    = 'VBAK~VBELN'
          i_value_low  = '0000120020'
          i_value_high = '0000120067'.
    *Set the 'AND' Clause
      CALL METHOD ob_where->add_and.
    *Add the field MATNR : Material
      CALL METHOD ob_where->add_field
        EXPORTING
          i_fieldnm  = 'MATNR'
          i_operator = '='
          i_intlen   = 18
          i_datatp   = 'CHAR'
        IMPORTING
          e_r_field  = lv_field.
    *Set the value for the Material field
      CALL METHOD ob_where->set_value_for_field
        EXPORTING
          i_fieldnm = 'MATNR'
          i_value   = '000000000050111000'.
    *Set the 'AND' Clause
      CALL METHOD ob_where->add_and
    *Add the field VKORG
      CALL METHOD ob_where->add_field
        EXPORTING
          i_fieldnm  = 'VKORG'
          i_operator = '='
          i_intlen   = 4
          i_datatp   = 'CHAR'
        IMPORTING
          e_r_field  = lv_field.
    *Set the value for VKORG : Sales Organization
      CALL METHOD ob_where->set_value_for_field
        EXPORTING
          i_fieldnm = 'VKORG'
          i_value   = 'GMUS'.
    ENDFORM.                    " zf_build_where

  • Passing values to Dynamic where clause as IN parameter - ADF

    Hi,
    I am trying to get the Dynamic where clause query output something like below,
    select * from EMP where emp_id IN(200,203,204)
    How to pass values from setWhereCluase(emp_id,????)
    Thanks,

    I'd go about this a little differently (probably not the best way):
    1. Create view object lk_department (lookup). In the query add a union with something like "select null as ID, 'All' as name' from dual;". This adds a null value that they can select by leaving the combo box on "All". Add a 'order by id" so the null value is the first one. When creating the combo box you want it set to navigation mode, so select the whole viewobject from the data palette rather a specific field.
    2. Create a jTextField for the "Jobs" field.
    3. Create an application module method that does something like:
    public void filterEmployees(String job){
    ViewObject vo_departments = findViewObject("lk_departments");
    ViewObject vo_employees = findViewObject("employees");
    String wc = "1 = 1 ";
    String wc = " and job like '%"+job+"%'"
    if (vo_departments.getCurrentRow().getAttribute("Id") != null) {wc += "and department_id = "+vo_departments.getCurrentRow().getAttribute("Id");}
    vo_employees.setWhereClause(wc);
    vo_employees.executeQuery();
    this.sync;
    4. In your Jclient app, you just need to call the method of your appmodule and insert the string from the textbox, using code similar to this:
    AppModule b = (AppModule)panelBinding.getApplicationModule();
    b.filterEmployees(jTextField.getText());
    I didn't test this code, but that's how I go about the same thing.

  • Dynamic where clause problem?

    Hi all,
    I am using 4 parameters for the attrition rate report of an employee on the selection screen.
    Level
    Grade
    Position
    Salary Range (pa0008-ansal)
    i have filled the values of level, grade, position, from database tables at the initialization event.
    And for the salary range i hardcoded them to 0-5000, 5001-10000 etc.. and so on.
    and then showed all 4 parameters are listbox on the selection screen.
    now the first 3 parameters are from infotype pa0001 and the last is from pa0008.
    Now I want to select pernr, persg ,persk ,plans, begda ,endda fields from infotype pa0001, and 'ansal' field from pa0008 , with the help of a dynamic where clause, is it possible, because here it might be needed for a join as well.
    Please help me out with some sample coding help.
    Regards
    Tarun

    DATA: lv_query TYPE string.
      lv_query = ' '.
      IF  position IS NOT INITIAL.
        IF lv_query IS NOT INITIAL.
          CONCATENATE lv_query '  and p1~plans eq   position '  '' INTO lv_query.
        ELSE.
          CONCATENATE  ' p1~plans eq  position '  '' INTO lv_query.
        ENDIF.
      ENDIF.
      IF  grade IS NOT INITIAL.
        IF lv_query IS NOT INITIAL .
          CONCATENATE lv_query '  and p1~PERSK eq  grade ' '' INTO lv_query.
        ELSE.
          CONCATENATE '  p1~PERSK eq  grade  ' '' INTO lv_query.
        ENDIF.
      ENDIF.
      IF  level IS NOT INITIAL.
        IF lv_query IS NOT INITIAL .
          CONCATENATE lv_query '  and p1~PERsg eq  level ' '' INTO lv_query.
        ELSE.
          CONCATENATE ' p1~PERsg eq  level  ' '' INTO lv_query.
        ENDIF.
      ENDIF.
      IF  sal_slab IS NOT INITIAL.
        SELECT pernr ansal begda endda FROM pa0008 INTO CORRESPONDING FIELDS OF TABLE lt_st_p8 WHERE ansal = sal_slab.
        *IF lv_query IS NOT INITIAL .*
          *CONCATENATE lv_query '  and p8~ansal le  sal_slab ' '' INTO lv_query.*
        *ELSE.*
          *CONCATENATE '  p8~ansal le  sal_slab  ' '' INTO lv_query.*
        *ENDIF.*
      ENDIF.
    SELECT p1~pernr
        p1~persg p1~persk p1~plans p1~begda p1~endda
         p8~ansal
      INTO CORRESPONDING FIELDS of TABLE lt_st_p1_p8
        FROM pa0001 AS p1 JOIN pa0008 AS p8  ON p1~pernr = p8~pernr
        WHERE (lv_query) .
    <Added code tags>
    Now in case of salary slab, i have ranges like 0-5000 , 5001-10000 and so on and I showed it as a listbox on sel. screen.
    So how can I read the figure after the '-'?????
    And also review, if for the previous 3 parameters it is correct, or it can be shortened and accurated.
    Edited by: Suhas Saha on Dec 28, 2011 1:44 PM

  • Loop with dynamic where clause

    hi,
        In a program we need to use a loop into an internal table with a where condition is decided on run time.
    "Select" from database table is using dynamic where clause and it is working fine.
    For the loop part does any one have any idea on this? if we can have dynamic where clause in a loop into internal tab?
    Thanks

    Hi,
    You can't use 'loop where' dynamically  .
    Have you already tried to use Ranges and CHECK statement?
    Like:
    First mount range options;
    Loop at <table>.
    Check using the range.
    endloop.
    Maybe it's works for you !!
    Marcelo Ramos

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