ABAP Select data from SAP table ICCNTRFORMULA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICCNTRFORMULA table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to ICCNTRFORMULA. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the ICCNTRFORMULA table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_ICCNTRFORMULA TYPE STANDARD TABLE OF ICCNTRFORMULA,
      WA_ICCNTRFORMULA TYPE ICCNTRFORMULA,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <ICCNTRFORMULA> TYPE ICCNTRFORMULA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ICCNTRFORMULA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ICCNTRFORMULA
  INTO TABLE IT_ICCNTRFORMULA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICCNTRFORMULA
*  INTO TABLE @DATA(IT_ICCNTRFORMULA2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_ICCNTRFORMULA INDEX 1 INTO DATA(WA_ICCNTRFORMULA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ICCNTRFORMULA ASSIGNING <ICCNTRFORMULA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICCNTRFORMULA>-MANDT = 1.
<ICCNTRFORMULA>-CONDITIONRECORD = 1.
<ICCNTRFORMULA>-CONDITIONSEQUENTIALNUMBER = 1.
<ICCNTRFORMULA>-CENTRALPURCHASECONTRACT = 1.
<ICCNTRFORMULA>-CENTRALPURCHASECONTRACTITEM = 1.

ENDLOOP.

LOOP AT IT_ICCNTRFORMULA INTO WA_ICCNTRFORMULA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICCNTRFORMULA-CONDITIONVALIDITYENDDATE, sy-vline,
  WA_ICCNTRFORMULA-DOCITEMCOMMODITYPRICINGUUID, sy-vline,
  WA_ICCNTRFORMULA-CONDITIONTYPE, sy-vline,
  WA_ICCNTRFORMULA-PRICINGCONDITIONFORMULAKEY, sy-vline,
  WA_ICCNTRFORMULA-PRCGCONDITIONFORMULAINPUTUUID, sy-vline,
  WA_ICCNTRFORMULA-PRCGCNDNFMLAAMTINDOCCURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICCNTRFORMULA you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_ICCNTRFORMULA TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_ICCNTRFORMULA INTO WA_ICCNTRFORMULA.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field CENTRALPURCHASECONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICCNTRFORMULA-CENTRALPURCHASECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICCNTRFORMULA-CENTRALPURCHASECONTRACT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PRCGCNDNFORMULARATEQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ICCNTRFORMULA-PRCGCNDNFORMULARATEQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICCNTRFORMULA-PRCGCNDNFORMULARATEQTYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PRCGCNDNFMLACMMDTYQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ICCNTRFORMULA-PRCGCNDNFMLACMMDTYQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICCNTRFORMULA-PRCGCNDNFMLACMMDTYQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORIGINSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICCNTRFORMULA-ORIGINSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICCNTRFORMULA-ORIGINSYSTEM.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ICCNTRFORMULA_STR, 
MANDT TYPE STRING,
CONDITIONRECORD TYPE STRING,
CONDITIONSEQUENTIALNUMBER TYPE STRING,
CENTRALPURCHASECONTRACT TYPE STRING,
CENTRALPURCHASECONTRACTITEM TYPE STRING,
CONDITIONVALIDITYENDDATE TYPE STRING,
DOCITEMCOMMODITYPRICINGUUID TYPE STRING,
CONDITIONTYPE TYPE STRING,
PRICINGCONDITIONFORMULAKEY TYPE STRING,
PRCGCONDITIONFORMULAINPUTUUID TYPE STRING,
PRCGCNDNFMLAAMTINDOCCURRENCY TYPE STRING,
PRCGCNDNFORMULAAMOUNTCURRENCY TYPE STRING,
PRICINGCONDITIONFORMULARATE TYPE STRING,
PRCGCNDNFORMULARATECURRENCY TYPE STRING,
PRCGCNDNFORMULARATEQUANTITY TYPE STRING,
PRCGCNDNFORMULARATEQTYUNIT TYPE STRING,
PRCGCNDNFMLACOMMODITYQUANTITY TYPE STRING,
PRCGCNDNFMLACMMDTYQUANTITYUNIT TYPE STRING,
PRCGCNDNFMLAEVALUATIONDATETIME TYPE STRING,
PRCGCNDNFMLACOMBINATIONROUTINE TYPE STRING,
PRCGCNDNFMLAEVALUATIONMODULE TYPE STRING,
PRCGCNDNFMLACOMBNROUTINESUBMDL TYPE STRING,
ORIGINSYSTEM TYPE STRING,
PRCGCNDNFMLAVALDTYSTRTDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICCNTRFORMULA_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_ICCNTRFORMULA_STR-MANDT sy-vline 
WA_ICCNTRFORMULA_STR-CONDITIONRECORD sy-vline 
WA_ICCNTRFORMULA_STR-CONDITIONSEQUENTIALNUMBER sy-vline 
WA_ICCNTRFORMULA_STR-CENTRALPURCHASECONTRACT sy-vline 
WA_ICCNTRFORMULA_STR-CENTRALPURCHASECONTRACTITEM sy-vline 
WA_ICCNTRFORMULA_STR-CONDITIONVALIDITYENDDATE sy-vline 
WA_ICCNTRFORMULA_STR-DOCITEMCOMMODITYPRICINGUUID sy-vline 
WA_ICCNTRFORMULA_STR-CONDITIONTYPE sy-vline 
WA_ICCNTRFORMULA_STR-PRICINGCONDITIONFORMULAKEY sy-vline 
WA_ICCNTRFORMULA_STR-PRCGCONDITIONFORMULAINPUTUUID sy-vline 
WA_ICCNTRFORMULA_STR-PRCGCNDNFMLAAMTINDOCCURRENCY sy-vline 
WA_ICCNTRFORMULA_STR-PRCGCNDNFORMULAAMOUNTCURRENCY sy-vline 
WA_ICCNTRFORMULA_STR-PRICINGCONDITIONFORMULARATE sy-vline 
WA_ICCNTRFORMULA_STR-PRCGCNDNFORMULARATECURRENCY sy-vline 
WA_ICCNTRFORMULA_STR-PRCGCNDNFORMULARATEQUANTITY sy-vline 
WA_ICCNTRFORMULA_STR-PRCGCNDNFORMULARATEQTYUNIT sy-vline 
WA_ICCNTRFORMULA_STR-PRCGCNDNFMLACOMMODITYQUANTITY sy-vline 
WA_ICCNTRFORMULA_STR-PRCGCNDNFMLACMMDTYQUANTITYUNIT sy-vline 
WA_ICCNTRFORMULA_STR-PRCGCNDNFMLAEVALUATIONDATETIME sy-vline 
WA_ICCNTRFORMULA_STR-PRCGCNDNFMLACOMBINATIONROUTINE sy-vline 
WA_ICCNTRFORMULA_STR-PRCGCNDNFMLAEVALUATIONMODULE sy-vline 
WA_ICCNTRFORMULA_STR-PRCGCNDNFMLACOMBNROUTINESUBMDL sy-vline 
WA_ICCNTRFORMULA_STR-ORIGINSYSTEM sy-vline 
WA_ICCNTRFORMULA_STR-PRCGCNDNFMLAVALDTYSTRTDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.