ABAP Select data from SAP table /PM0/ABD_SIMA_BASE_ERP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PM0/ABD_SIMA_BASE_ERP 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 /PM0/ABD_SIMA_BASE_ERP. 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 /PM0/ABD_SIMA_BASE_ERP 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_/PM0/ABD_SIMA_BASE_ERP TYPE STANDARD TABLE OF /PM0/ABD_SIMA_BASE_ERP,
      WA_/PM0/ABD_SIMA_BASE_ERP TYPE /PM0/ABD_SIMA_BASE_ERP,
      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: </PM0/ABD_SIMA_BASE_ERP> TYPE /PM0/ABD_SIMA_BASE_ERP.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PM0/ABD_SIMA_BASE_ERP.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PM0/ABD_SIMA_BASE_ERP
  INTO TABLE IT_/PM0/ABD_SIMA_BASE_ERP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/ABD_SIMA_BASE_ERP
*  INTO TABLE @DATA(IT_/PM0/ABD_SIMA_BASE_ERP2).
*--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_/PM0/ABD_SIMA_BASE_ERP INDEX 1 INTO DATA(WA_/PM0/ABD_SIMA_BASE_ERP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PM0/ABD_SIMA_BASE_ERP ASSIGNING </PM0/ABD_SIMA_BASE_ERP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/ABD_SIMA_BASE_ERP>-ERNAM = 1.
</PM0/ABD_SIMA_BASE_ERP>-ERNAM_BUSINESS = 1.
</PM0/ABD_SIMA_BASE_ERP>-ERDAT = 1.
</PM0/ABD_SIMA_BASE_ERP>-AENAM = 1.
</PM0/ABD_SIMA_BASE_ERP>-AENAM_BUSINESS = 1.

ENDLOOP.

LOOP AT IT_/PM0/ABD_SIMA_BASE_ERP INTO WA_/PM0/ABD_SIMA_BASE_ERP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/ABD_SIMA_BASE_ERP-AEDAT, sy-vline,
  WA_/PM0/ABD_SIMA_BASE_ERP-INSOBJECTTYP, sy-vline,
  WA_/PM0/ABD_SIMA_BASE_ERP-PARTNERACC, sy-vline,
  WA_/PM0/ABD_SIMA_BASE_ERP-PARTNERACCTYP, sy-vline,
  WA_/PM0/ABD_SIMA_BASE_ERP-FROMDATE, sy-vline,
  WA_/PM0/ABD_SIMA_BASE_ERP-TODATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/ABD_SIMA_BASE_ERP 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_/PM0/ABD_SIMA_BASE_ERP 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_/PM0/ABD_SIMA_BASE_ERP INTO WA_/PM0/ABD_SIMA_BASE_ERP.


*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 PARTNERACC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABD_SIMA_BASE_ERP-PARTNERACC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABD_SIMA_BASE_ERP-PARTNERACC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FDGRP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABD_SIMA_BASE_ERP-FDGRP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABD_SIMA_BASE_ERP-FDGRP.
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_/PM0/ABD_SIMA_BASE_ERP_STR, 
ERNAM TYPE STRING,
ERNAM_BUSINESS TYPE STRING,
ERDAT TYPE STRING,
AENAM TYPE STRING,
AENAM_BUSINESS TYPE STRING,
AEDAT TYPE STRING,
INSOBJECTTYP TYPE STRING,
PARTNERACC TYPE STRING,
PARTNERACCTYP TYPE STRING,
FROMDATE TYPE STRING,
TODATE TYPE STRING,
FDGRP TYPE STRING,
FDZTG TYPE STRING,
XARCHIVE TYPE STRING,
AUGRP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/ABD_SIMA_BASE_ERP_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_/PM0/ABD_SIMA_BASE_ERP_STR-ERNAM sy-vline 
WA_/PM0/ABD_SIMA_BASE_ERP_STR-ERNAM_BUSINESS sy-vline 
WA_/PM0/ABD_SIMA_BASE_ERP_STR-ERDAT sy-vline 
WA_/PM0/ABD_SIMA_BASE_ERP_STR-AENAM sy-vline 
WA_/PM0/ABD_SIMA_BASE_ERP_STR-AENAM_BUSINESS sy-vline 
WA_/PM0/ABD_SIMA_BASE_ERP_STR-AEDAT sy-vline 
WA_/PM0/ABD_SIMA_BASE_ERP_STR-INSOBJECTTYP sy-vline 
WA_/PM0/ABD_SIMA_BASE_ERP_STR-PARTNERACC sy-vline 
WA_/PM0/ABD_SIMA_BASE_ERP_STR-PARTNERACCTYP sy-vline 
WA_/PM0/ABD_SIMA_BASE_ERP_STR-FROMDATE sy-vline 
WA_/PM0/ABD_SIMA_BASE_ERP_STR-TODATE sy-vline 
WA_/PM0/ABD_SIMA_BASE_ERP_STR-FDGRP sy-vline 
WA_/PM0/ABD_SIMA_BASE_ERP_STR-FDZTG sy-vline 
WA_/PM0/ABD_SIMA_BASE_ERP_STR-XARCHIVE sy-vline 
WA_/PM0/ABD_SIMA_BASE_ERP_STR-AUGRP sy-vline      INTO ld_text SEPARATED BY SPACE.

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