ABAP Select data from SAP table PXX_S_PENSIONS_CONTRIB_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PXX_S_PENSIONS_CONTRIB_DATA
*  INTO TABLE @DATA(IT_PXX_S_PENSIONS_CONTRIB_DATA2).
*--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_PXX_S_PENSIONS_CONTRIB_DATA INDEX 1 INTO DATA(WA_PXX_S_PENSIONS_CONTRIB_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PXX_S_PENSIONS_CONTRIB_DATA>-MOLGA = 1.
<PXX_S_PENSIONS_CONTRIB_DATA>-IDPLN = 1.
<PXX_S_PENSIONS_CONTRIB_DATA>-IDSBP = 1.
<PXX_S_PENSIONS_CONTRIB_DATA>-INWTP = 1.
<PXX_S_PENSIONS_CONTRIB_DATA>-BASIS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PXX_S_PENSIONS_CONTRIB_DATA-OUCTR, sy-vline,
  WA_PXX_S_PENSIONS_CONTRIB_DATA-OUWTP, sy-vline,
  WA_PXX_S_PENSIONS_CONTRIB_DATA-CTAMT, sy-vline,
  WA_PXX_S_PENSIONS_CONTRIB_DATA-EXCTR, sy-vline,
  WA_PXX_S_PENSIONS_CONTRIB_DATA-EXWTP, sy-vline,
  WA_PXX_S_PENSIONS_CONTRIB_DATA-EXAMT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PXX_S_PENSIONS_CONTRIB_DATA 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_PXX_S_PENSIONS_CONTRIB_DATA 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_PXX_S_PENSIONS_CONTRIB_DATA INTO WA_PXX_S_PENSIONS_CONTRIB_DATA.


*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.
ENDFORM. 

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

TYPES: BEGIN OF T_PXX_S_PENSIONS_CONTRIB_DATA_STR, 
MOLGA TYPE STRING,
IDPLN TYPE STRING,
IDSBP TYPE STRING,
INWTP TYPE STRING,
BASIS TYPE STRING,
OUCTR TYPE STRING,
OUWTP TYPE STRING,
CTAMT TYPE STRING,
EXCTR TYPE STRING,
EXWTP TYPE STRING,
EXAMT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PXX_S_PENSIONS_CONTRIB_DATA_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_PXX_S_PENSIONS_CONTRIB_DATA_STR-MOLGA sy-vline 
WA_PXX_S_PENSIONS_CONTRIB_DATA_STR-IDPLN sy-vline 
WA_PXX_S_PENSIONS_CONTRIB_DATA_STR-IDSBP sy-vline 
WA_PXX_S_PENSIONS_CONTRIB_DATA_STR-INWTP sy-vline 
WA_PXX_S_PENSIONS_CONTRIB_DATA_STR-BASIS sy-vline 
WA_PXX_S_PENSIONS_CONTRIB_DATA_STR-OUCTR sy-vline 
WA_PXX_S_PENSIONS_CONTRIB_DATA_STR-OUWTP sy-vline 
WA_PXX_S_PENSIONS_CONTRIB_DATA_STR-CTAMT sy-vline 
WA_PXX_S_PENSIONS_CONTRIB_DATA_STR-EXCTR sy-vline 
WA_PXX_S_PENSIONS_CONTRIB_DATA_STR-EXWTP sy-vline 
WA_PXX_S_PENSIONS_CONTRIB_DATA_STR-EXAMT sy-vline      INTO ld_text SEPARATED BY SPACE.

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