ABAP Select data from SAP table PADPM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PADPM
*  INTO TABLE @DATA(IT_PADPM2).
*--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_PADPM INDEX 1 INTO DATA(WA_PADPM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PADPM>-BUTGR = 1.
<PADPM>-KRESV = 1.
<PADPM>-BETRG = 1.
<PADPM>-CURCY = 1.
<PADPM>-FREQU = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PADPM-AMNT, sy-vline,
  WA_PADPM-BUGRU, sy-vline,
  WA_PADPM-WKAVG, sy-vline,
  WA_PADPM-MOLGA, sy-vline,
  WA_PADPM-KATZU, sy-vline,
  WA_PADPM-ARTZU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PADPM 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_PADPM 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_PADPM INTO WA_PADPM.


*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 OBJ_SYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PADPM-OBJ_SYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PADPM-OBJ_SYS.
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_PADPM_STR, 
BUTGR TYPE STRING,
KRESV TYPE STRING,
BETRG TYPE STRING,
CURCY TYPE STRING,
FREQU TYPE STRING,
AMNT TYPE STRING,
BUGRU TYPE STRING,
WKAVG TYPE STRING,
MOLGA TYPE STRING,
KATZU TYPE STRING,
ARTZU TYPE STRING,
AUSART TYPE STRING,
PERNR TYPE STRING,
KINTE TYPE STRING,
OBJ_TYPE TYPE STRING,
OBJ_SYS TYPE STRING,
OBJ_KEY TYPE STRING,
OBJ_POS TYPE STRING,
OBJ_TYPE_P TYPE STRING,
OBJ_KEY_P TYPE STRING,
OBJ_POS_P TYPE STRING,
SPNUM TYPE STRING,
STKUN TYPE STRING,
CAUSE_ASS TYPE STRING,
CAUSE_FREE TYPE STRING,
AVC_EXC TYPE STRING,
FIN_EXC TYPE STRING,
EXC_GRP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PADPM_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_PADPM_STR-BUTGR sy-vline 
WA_PADPM_STR-KRESV sy-vline 
WA_PADPM_STR-BETRG sy-vline 
WA_PADPM_STR-CURCY sy-vline 
WA_PADPM_STR-FREQU sy-vline 
WA_PADPM_STR-AMNT sy-vline 
WA_PADPM_STR-BUGRU sy-vline 
WA_PADPM_STR-WKAVG sy-vline 
WA_PADPM_STR-MOLGA sy-vline 
WA_PADPM_STR-KATZU sy-vline 
WA_PADPM_STR-ARTZU sy-vline 
WA_PADPM_STR-AUSART sy-vline 
WA_PADPM_STR-PERNR sy-vline 
WA_PADPM_STR-KINTE sy-vline 
WA_PADPM_STR-OBJ_TYPE sy-vline 
WA_PADPM_STR-OBJ_SYS sy-vline 
WA_PADPM_STR-OBJ_KEY sy-vline 
WA_PADPM_STR-OBJ_POS sy-vline 
WA_PADPM_STR-OBJ_TYPE_P sy-vline 
WA_PADPM_STR-OBJ_KEY_P sy-vline 
WA_PADPM_STR-OBJ_POS_P sy-vline 
WA_PADPM_STR-SPNUM sy-vline 
WA_PADPM_STR-STKUN sy-vline 
WA_PADPM_STR-CAUSE_ASS sy-vline 
WA_PADPM_STR-CAUSE_FREE sy-vline 
WA_PADPM_STR-AVC_EXC sy-vline 
WA_PADPM_STR-FIN_EXC sy-vline 
WA_PADPM_STR-EXC_GRP sy-vline      INTO ld_text SEPARATED BY SPACE.

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