ABAP Select data from SAP table GPP_GROUP_STRUCT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GPP_GROUP_STRUCT
*  INTO TABLE @DATA(IT_GPP_GROUP_STRUCT2).
*--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_GPP_GROUP_STRUCT INDEX 1 INTO DATA(WA_GPP_GROUP_STRUCT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GPP_GROUP_STRUCT>-RLDNR_GROUP = 1.
<GPP_GROUP_STRUCT>-RRCTY_GROUP = 1.
<GPP_GROUP_STRUCT>-RVERS_GROUP = 1.
<GPP_GROUP_STRUCT>-RYEAR_GROUP = 1.
<GPP_GROUP_STRUCT>-RBUKRS_GROUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GPP_GROUP_STRUCT-RACCT_GROUP, sy-vline,
  WA_GPP_GROUP_STRUCT-RBUSA_GROUP, sy-vline,
  WA_GPP_GROUP_STRUCT-RFAREA_GROUP, sy-vline,
  WA_GPP_GROUP_STRUCT-RTCUR_GROUP, sy-vline,
  WA_GPP_GROUP_STRUCT-RUNIT_GROUP, sy-vline,
  WA_GPP_GROUP_STRUCT-POPER_GROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GPP_GROUP_STRUCT 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_GPP_GROUP_STRUCT 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_GPP_GROUP_STRUCT INTO WA_GPP_GROUP_STRUCT.


*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_GPP_GROUP_STRUCT_STR, 
RLDNR_GROUP TYPE STRING,
RRCTY_GROUP TYPE STRING,
RVERS_GROUP TYPE STRING,
RYEAR_GROUP TYPE STRING,
RBUKRS_GROUP TYPE STRING,
RACCT_GROUP TYPE STRING,
RBUSA_GROUP TYPE STRING,
RFAREA_GROUP TYPE STRING,
RTCUR_GROUP TYPE STRING,
RUNIT_GROUP TYPE STRING,
POPER_GROUP TYPE STRING,
RHRKFT_GROUP TYPE STRING,
ROBART_GROUP TYPE STRING,
RSCOPE_GROUP TYPE STRING,
KOKRS_GROUP TYPE STRING,
SBUKRS_GROUP TYPE STRING,
SACCT_GROUP TYPE STRING,
SHRKFT_GROUP TYPE STRING,
SOBART_GROUP TYPE STRING,
SSCOPE_GROUP TYPE STRING,
SBUSA_GROUP TYPE STRING,
SFAREA_GROUP TYPE STRING,
RCOMP_GROUP TYPE STRING,
RASSC_GROUP TYPE STRING,
ROBUKRS_GROUP TYPE STRING,
RPRCTR_GROUP TYPE STRING,
RHOART_GROUP TYPE STRING,
AFABE_GROUP TYPE STRING,
WERKS_GROUP TYPE STRING,
STAGR_GROUP TYPE STRING,
REP_MATNR_GROUP TYPE STRING,
SPRCTR_GROUP TYPE STRING,
BUKRS_GROUP TYPE STRING,
RCNTR_GROUP TYPE STRING,
OBUKR_GROUP TYPE STRING,
PRCTR_GROUP TYPE STRING,
PPRCTR_GROUP TYPE STRING,
AUFNR_GROUP TYPE STRING,
RMVCT_GROUP TYPE STRING,
SCNTR_GROUP TYPE STRING,
RACVT_GROUP TYPE STRING,
AUNIT_GROUP TYPE STRING,
HRKFT_GROUP TYPE STRING,
SHOART_GROUP TYPE STRING,
ACTIV_GROUP TYPE STRING,
RJVNAM_GROUP TYPE STRING,
REGROU_GROUP TYPE STRING,
RORDNR_GROUP TYPE STRING,
RPROJK_GROUP TYPE STRING,
RRECIN_GROUP TYPE STRING,
RPARTN_GROUP TYPE STRING,
RBILID_GROUP TYPE STRING,
RWBSE_7_GROUP TYPE STRING,
RASAREA_7_GROUP TYPE STRING,
RFIKRS_GROUP TYPE STRING,
RFUND_GROUP TYPE STRING,
RFUNDSCTR_GROUP TYPE STRING,
RCMMTITEM_GROUP TYPE STRING,
RFUNCAREA_GROUP TYPE STRING,
RGRANT_NBR_GROUP TYPE STRING,
RMEASURE_GROUP TYPE STRING,
VALTYPE_9_GROUP TYPE STRING,
WFSTATE_9_GROUP TYPE STRING,
PROCESS_9_GROUP TYPE STRING,
BUDTYPE_9_GROUP TYPE STRING,
RFISTL_GROUP TYPE STRING,
RFONDS_GROUP TYPE STRING,
RFIPEX_GROUP TYPE STRING,
RFINUSE_GROUP TYPE STRING,
RVBUND_GROUP TYPE STRING,
FAREA_GROUP TYPE STRING,
BUSA_GROUP TYPE STRING,
RSPONSORED_PROG_GROUP TYPE STRING,
RSPONSORED_CLASS_GROUP TYPE STRING,
SEGMENT_GROUP TYPE STRING,
PSEGMENT_GROUP TYPE STRING,
COST_ELEM_GROUP TYPE STRING,
TSL_GROUP TYPE STRING,
HSL_GROUP TYPE STRING,
KSL_GROUP TYPE STRING,
MSL_GROUP TYPE STRING,
AWTYP_GROUP TYPE STRING,
KOSTL_GROUP TYPE STRING,
ANLN1_GROUP TYPE STRING,
MATNR_GROUP TYPE STRING,
KUNNR_GROUP TYPE STRING,
LIFNR_GROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GPP_GROUP_STRUCT_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_GPP_GROUP_STRUCT_STR-RLDNR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RRCTY_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RVERS_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RYEAR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RBUKRS_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RACCT_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RBUSA_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RFAREA_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RTCUR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RUNIT_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-POPER_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RHRKFT_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-ROBART_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RSCOPE_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-KOKRS_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-SBUKRS_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-SACCT_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-SHRKFT_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-SOBART_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-SSCOPE_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-SBUSA_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-SFAREA_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RCOMP_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RASSC_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-ROBUKRS_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RPRCTR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RHOART_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-AFABE_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-WERKS_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-STAGR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-REP_MATNR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-SPRCTR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-BUKRS_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RCNTR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-OBUKR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-PRCTR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-PPRCTR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-AUFNR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RMVCT_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-SCNTR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RACVT_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-AUNIT_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-HRKFT_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-SHOART_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-ACTIV_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RJVNAM_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-REGROU_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RORDNR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RPROJK_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RRECIN_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RPARTN_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RBILID_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RWBSE_7_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RASAREA_7_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RFIKRS_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RFUND_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RFUNDSCTR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RCMMTITEM_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RFUNCAREA_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RGRANT_NBR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RMEASURE_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-VALTYPE_9_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-WFSTATE_9_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-PROCESS_9_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-BUDTYPE_9_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RFISTL_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RFONDS_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RFIPEX_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RFINUSE_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RVBUND_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-FAREA_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-BUSA_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RSPONSORED_PROG_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-RSPONSORED_CLASS_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-SEGMENT_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-PSEGMENT_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-COST_ELEM_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-TSL_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-HSL_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-KSL_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-MSL_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-AWTYP_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-KOSTL_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-ANLN1_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-MATNR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-KUNNR_GROUP sy-vline 
WA_GPP_GROUP_STRUCT_STR-LIFNR_GROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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