ABAP Select data from SAP table BIW_ISU_PARTNER_MKT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BIW_ISU_PARTNER_MKT 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 BIW_ISU_PARTNER_MKT. 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 BIW_ISU_PARTNER_MKT 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_BIW_ISU_PARTNER_MKT TYPE STANDARD TABLE OF BIW_ISU_PARTNER_MKT,
      WA_BIW_ISU_PARTNER_MKT TYPE BIW_ISU_PARTNER_MKT,
      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: <BIW_ISU_PARTNER_MKT> TYPE BIW_ISU_PARTNER_MKT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BIW_ISU_PARTNER_MKT
*  INTO TABLE @DATA(IT_BIW_ISU_PARTNER_MKT2).
*--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_BIW_ISU_PARTNER_MKT INDEX 1 INTO DATA(WA_BIW_ISU_PARTNER_MKT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BIW_ISU_PARTNER_MKT>-MANDT = 1.
<BIW_ISU_PARTNER_MKT>-PARTNER = 1.
<BIW_ISU_PARTNER_MKT>-WAKLASS = 1.
<BIW_ISU_PARTNER_MKT>-FIRMART = 1.
<BIW_ISU_PARTNER_MKT>-ARBFELD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BIW_ISU_PARTNER_MKT-MITGLIED, sy-vline,
  WA_BIW_ISU_PARTNER_MKT-SPZULASS, sy-vline,
  WA_BIW_ISU_PARTNER_MKT-ARTZULASS, sy-vline,
  WA_BIW_ISU_PARTNER_MKT-AUSWANZ, sy-vline,
  WA_BIW_ISU_PARTNER_MKT-PLOMBENZ, sy-vline,
  WA_BIW_ISU_PARTNER_MKT-FREMDEVU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BIW_ISU_PARTNER_MKT 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_BIW_ISU_PARTNER_MKT 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_BIW_ISU_PARTNER_MKT INTO WA_BIW_ISU_PARTNER_MKT.


*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 PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BIW_ISU_PARTNER_MKT-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_ISU_PARTNER_MKT-PARTNER.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BIW_ISU_PARTNER_MKT-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_ISU_PARTNER_MKT-HKONT.
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_BIW_ISU_PARTNER_MKT_STR, 
MANDT TYPE STRING,
PARTNER TYPE STRING,
WAKLASS TYPE STRING,
FIRMART TYPE STRING,
ARBFELD TYPE STRING,
MITGLIED TYPE STRING,
SPZULASS TYPE STRING,
ARTZULASS TYPE STRING,
AUSWANZ TYPE STRING,
PLOMBENZ TYPE STRING,
FREMDEVU TYPE STRING,
STATINS TYPE STRING,
STATDATUM TYPE STRING,
ERSTZUL TYPE STRING,
WERKSTATT TYPE STRING,
VERLZUL TYPE STRING,
ENDEZUL TYPE STRING,
ANZEVU TYPE STRING,
ANZFIL TYPE STRING,
AUSW_INST TYPE STRING,
DR_LICENSE_LAND1 TYPE STRING,
DR_LICENSE_REGIO TYPE STRING,
DR_LICENSE TYPE STRING,
SOC_SECURE TYPE STRING,
WELFARE TYPE STRING,
PLACE_EMPL TYPE STRING,
KTOKLASSE TYPE STRING,
BUPINFOREL TYPE STRING,
CLERK_ID TYPE STRING,
RECPTYPE TYPE STRING,
PYMET TYPE STRING,
EMBVT TYPE STRING,
HKONT TYPE STRING,
CLASSIFICATION TYPE STRING,
VIP TYPE STRING,
IDENT_INST TYPE STRING,
UPDMOD TYPE STRING,
LOEVM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BIW_ISU_PARTNER_MKT_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_BIW_ISU_PARTNER_MKT_STR-MANDT sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-PARTNER sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-WAKLASS sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-FIRMART sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-ARBFELD sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-MITGLIED sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-SPZULASS sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-ARTZULASS sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-AUSWANZ sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-PLOMBENZ sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-FREMDEVU sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-STATINS sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-STATDATUM sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-ERSTZUL sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-WERKSTATT sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-VERLZUL sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-ENDEZUL sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-ANZEVU sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-ANZFIL sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-AUSW_INST sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-DR_LICENSE_LAND1 sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-DR_LICENSE_REGIO sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-DR_LICENSE sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-SOC_SECURE sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-WELFARE sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-PLACE_EMPL sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-KTOKLASSE sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-BUPINFOREL sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-CLERK_ID sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-RECPTYPE sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-PYMET sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-EMBVT sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-HKONT sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-CLASSIFICATION sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-VIP sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-IDENT_INST sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-UPDMOD sy-vline 
WA_BIW_ISU_PARTNER_MKT_STR-LOEVM sy-vline      INTO ld_text SEPARATED BY SPACE.

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