ABAP Select data from SAP table GRPCRTA_S_MGLOPURPIR02C11 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP GRPCRTA_S_MGLOPURPIR02C11 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 GRPCRTA_S_MGLOPURPIR02C11. 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 GRPCRTA_S_MGLOPURPIR02C11 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_GRPCRTA_S_MGLOPURPIR02C11 TYPE STANDARD TABLE OF GRPCRTA_S_MGLOPURPIR02C11,
      WA_GRPCRTA_S_MGLOPURPIR02C11 TYPE GRPCRTA_S_MGLOPURPIR02C11,
      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: <GRPCRTA_S_MGLOPURPIR02C11> TYPE GRPCRTA_S_MGLOPURPIR02C11.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_GRPCRTA_S_MGLOPURPIR02C11.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM GRPCRTA_S_MGLOPURPIR02C11
  INTO TABLE IT_GRPCRTA_S_MGLOPURPIR02C11.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GRPCRTA_S_MGLOPURPIR02C11
*  INTO TABLE @DATA(IT_GRPCRTA_S_MGLOPURPIR02C112).
*--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_GRPCRTA_S_MGLOPURPIR02C11 INDEX 1 INTO DATA(WA_GRPCRTA_S_MGLOPURPIR02C112).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_GRPCRTA_S_MGLOPURPIR02C11 ASSIGNING <GRPCRTA_S_MGLOPURPIR02C11>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRPCRTA_S_MGLOPURPIR02C11>-GRPCRTA_SEQ = 1.
<GRPCRTA_S_MGLOPURPIR02C11>-DEFTYPE = 1.
<GRPCRTA_S_MGLOPURPIR02C11>-EKPO_NETWR = 1.
<GRPCRTA_S_MGLOPURPIR02C11>-EBELN = 1.
<GRPCRTA_S_MGLOPURPIR02C11>-BUKRS = 1.

ENDLOOP.

LOOP AT IT_GRPCRTA_S_MGLOPURPIR02C11 INTO WA_GRPCRTA_S_MGLOPURPIR02C11.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GRPCRTA_S_MGLOPURPIR02C11-BUTXT, sy-vline,
  WA_GRPCRTA_S_MGLOPURPIR02C11-DEFDESC, sy-vline,
  WA_GRPCRTA_S_MGLOPURPIR02C11-WERKS, sy-vline,
  WA_GRPCRTA_S_MGLOPURPIR02C11-NAME1, sy-vline,
  WA_GRPCRTA_S_MGLOPURPIR02C11-NETWR, sy-vline,
  WA_GRPCRTA_S_MGLOPURPIR02C11-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GRPCRTA_S_MGLOPURPIR02C11 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_GRPCRTA_S_MGLOPURPIR02C11 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_GRPCRTA_S_MGLOPURPIR02C11 INTO WA_GRPCRTA_S_MGLOPURPIR02C11.


*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 EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_GRPCRTA_S_MGLOPURPIR02C11-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GRPCRTA_S_MGLOPURPIR02C11-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_GRPCRTA_S_MGLOPURPIR02C11-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GRPCRTA_S_MGLOPURPIR02C11-LIFNR.
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_GRPCRTA_S_MGLOPURPIR02C11_STR, 
GRPCRTA_SEQ TYPE STRING,
DEFTYPE TYPE STRING,
EKPO_NETWR TYPE STRING,
EBELN TYPE STRING,
BUKRS TYPE STRING,
BUTXT TYPE STRING,
DEFDESC TYPE STRING,
WERKS TYPE STRING,
NAME1 TYPE STRING,
NETWR TYPE STRING,
WAERS TYPE STRING,
PODATE2 TYPE STRING,
LIFNR TYPE STRING,
ACDES TYPE STRING,
EKORG TYPE STRING,
BSART TYPE STRING,
BATXT TYPE STRING,
ERNAM TYPE STRING,
PSTYP TYPE STRING,
KTOKK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GRPCRTA_S_MGLOPURPIR02C11_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_GRPCRTA_S_MGLOPURPIR02C11_STR-GRPCRTA_SEQ sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-DEFTYPE sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-EKPO_NETWR sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-EBELN sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-BUKRS sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-BUTXT sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-DEFDESC sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-WERKS sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-NAME1 sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-NETWR sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-WAERS sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-PODATE2 sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-LIFNR sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-ACDES sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-EKORG sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-BSART sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-BATXT sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-ERNAM sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-PSTYP sy-vline 
WA_GRPCRTA_S_MGLOPURPIR02C11_STR-KTOKK sy-vline      INTO ld_text SEPARATED BY SPACE.

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