ABAP Select data from SAP table /IBS/TRB_IASGHD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /IBS/TRB_IASGHD
*  INTO TABLE @DATA(IT_/IBS/TRB_IASGHD2).
*--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_/IBS/TRB_IASGHD INDEX 1 INTO DATA(WA_/IBS/TRB_IASGHD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</IBS/TRB_IASGHD>-MANDANT = 1.
</IBS/TRB_IASGHD>-MODID = 1.
</IBS/TRB_IASGHD>-VERTV = 1.
</IBS/TRB_IASGHD>-LIBUE = 1.
</IBS/TRB_IASGHD>-SANLF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/IBS/TRB_IASGHD-PDAVS, sy-vline,
  WA_/IBS/TRB_IASGHD-VEAVS, sy-vline,
  WA_/IBS/TRB_IASGHD-REFEV, sy-vline,
  WA_/IBS/TRB_IASGHD-VKREF, sy-vline,
  WA_/IBS/TRB_IASGHD-FINRV, sy-vline,
  WA_/IBS/TRB_IASGHD-PARTV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/IBS/TRB_IASGHD 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_/IBS/TRB_IASGHD 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_/IBS/TRB_IASGHD INTO WA_/IBS/TRB_IASGHD.


*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 SANLF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/IBS/TRB_IASGHD-SANLF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IBS/TRB_IASGHD-SANLF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FINRV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/IBS/TRB_IASGHD-FINRV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IBS/TRB_IASGHD-FINRV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/IBS/TRB_IASGHD-PARTV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IBS/TRB_IASGHD-PARTV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/IBS/TRB_IASGHD-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IBS/TRB_IASGHD-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/IBS/TRB_IASGHD-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IBS/TRB_IASGHD-KOSTL.
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_/IBS/TRB_IASGHD_STR, 
MANDANT TYPE STRING,
MODID TYPE STRING,
VERTV TYPE STRING,
LIBUE TYPE STRING,
SANLF TYPE STRING,
PDAVS TYPE STRING,
VEAVS TYPE STRING,
REFEV TYPE STRING,
VKREF TYPE STRING,
FINRV TYPE STRING,
PARTV TYPE STRING,
WAEVS TYPE STRING,
DELFZ TYPE STRING,
DEFSZ TYPE STRING,
DVERW TYPE STRING,
INTCM TYPE STRING,
BOOK_VAL TYPE STRING,
BENDV TYPE STRING,
PZINS TYPE STRING,
PERCCF TYPE STRING,
STIDA TYPE STRING,
STIZE TYPE STRING,
WBKNZ TYPE STRING,
SUM_ARREAR TYPE STRING,
DELINQ_SINCE TYPE STRING,
SUM_LOSSES TYPE STRING,
SUM_LOSSES_PY TYPE STRING,
XCF_DIFF TYPE STRING,
XCF_DELFZ TYPE STRING,
PROCTYPE TYPE STRING,
RS_BASIS TYPE STRING,
RS_PROP TYPE STRING,
WB_INIT TYPE STRING,
WB_INIT_PY TYPE STRING,
RS_INIT TYPE STRING,
RS_INIT_PY TYPE STRING,
PRCTR TYPE STRING,
KOSTL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/IBS/TRB_IASGHD_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_/IBS/TRB_IASGHD_STR-MANDANT sy-vline 
WA_/IBS/TRB_IASGHD_STR-MODID sy-vline 
WA_/IBS/TRB_IASGHD_STR-VERTV sy-vline 
WA_/IBS/TRB_IASGHD_STR-LIBUE sy-vline 
WA_/IBS/TRB_IASGHD_STR-SANLF sy-vline 
WA_/IBS/TRB_IASGHD_STR-PDAVS sy-vline 
WA_/IBS/TRB_IASGHD_STR-VEAVS sy-vline 
WA_/IBS/TRB_IASGHD_STR-REFEV sy-vline 
WA_/IBS/TRB_IASGHD_STR-VKREF sy-vline 
WA_/IBS/TRB_IASGHD_STR-FINRV sy-vline 
WA_/IBS/TRB_IASGHD_STR-PARTV sy-vline 
WA_/IBS/TRB_IASGHD_STR-WAEVS sy-vline 
WA_/IBS/TRB_IASGHD_STR-DELFZ sy-vline 
WA_/IBS/TRB_IASGHD_STR-DEFSZ sy-vline 
WA_/IBS/TRB_IASGHD_STR-DVERW sy-vline 
WA_/IBS/TRB_IASGHD_STR-INTCM sy-vline 
WA_/IBS/TRB_IASGHD_STR-BOOK_VAL sy-vline 
WA_/IBS/TRB_IASGHD_STR-BENDV sy-vline 
WA_/IBS/TRB_IASGHD_STR-PZINS sy-vline 
WA_/IBS/TRB_IASGHD_STR-PERCCF sy-vline 
WA_/IBS/TRB_IASGHD_STR-STIDA sy-vline 
WA_/IBS/TRB_IASGHD_STR-STIZE sy-vline 
WA_/IBS/TRB_IASGHD_STR-WBKNZ sy-vline 
WA_/IBS/TRB_IASGHD_STR-SUM_ARREAR sy-vline 
WA_/IBS/TRB_IASGHD_STR-DELINQ_SINCE sy-vline 
WA_/IBS/TRB_IASGHD_STR-SUM_LOSSES sy-vline 
WA_/IBS/TRB_IASGHD_STR-SUM_LOSSES_PY sy-vline 
WA_/IBS/TRB_IASGHD_STR-XCF_DIFF sy-vline 
WA_/IBS/TRB_IASGHD_STR-XCF_DELFZ sy-vline 
WA_/IBS/TRB_IASGHD_STR-PROCTYPE sy-vline 
WA_/IBS/TRB_IASGHD_STR-RS_BASIS sy-vline 
WA_/IBS/TRB_IASGHD_STR-RS_PROP sy-vline 
WA_/IBS/TRB_IASGHD_STR-WB_INIT sy-vline 
WA_/IBS/TRB_IASGHD_STR-WB_INIT_PY sy-vline 
WA_/IBS/TRB_IASGHD_STR-RS_INIT sy-vline 
WA_/IBS/TRB_IASGHD_STR-RS_INIT_PY sy-vline 
WA_/IBS/TRB_IASGHD_STR-PRCTR sy-vline 
WA_/IBS/TRB_IASGHD_STR-KOSTL sy-vline      INTO ld_text SEPARATED BY SPACE.

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