ABAP Select data from SAP table /IBS/TRB_TTY_BAL 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_TTY_BAL 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_TTY_BAL. 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_TTY_BAL 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_TTY_BAL TYPE STANDARD TABLE OF /IBS/TRB_TTY_BAL,
      WA_/IBS/TRB_TTY_BAL TYPE /IBS/TRB_TTY_BAL,
      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_TTY_BAL> TYPE /IBS/TRB_TTY_BAL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /IBS/TRB_TTY_BAL
*  INTO TABLE @DATA(IT_/IBS/TRB_TTY_BAL2).
*--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_TTY_BAL INDEX 1 INTO DATA(WA_/IBS/TRB_TTY_BAL2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/IBS/TRB_TTY_BAL-KZVJ, sy-vline,
  WA_/IBS/TRB_TTY_BAL-BWART, sy-vline,
  WA_/IBS/TRB_TTY_BAL-RBDKL, sy-vline,
  WA_/IBS/TRB_TTY_BAL-VKREF, sy-vline,
  WA_/IBS/TRB_TTY_BAL-RBDID, sy-vline,
  WA_/IBS/TRB_TTY_BAL-RBDNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/IBS/TRB_TTY_BAL 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_TTY_BAL 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_TTY_BAL INTO WA_/IBS/TRB_TTY_BAL.


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

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

*Conversion exit GJAHR, internal->external for field GJRBD
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/IBS/TRB_TTY_BAL-GJRBD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IBS/TRB_TTY_BAL-GJRBD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/IBS/TRB_TTY_BAL-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IBS/TRB_TTY_BAL-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_TTY_BAL-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IBS/TRB_TTY_BAL-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_TTY_BAL_STR, 
MANDANT TYPE STRING,
MODID TYPE STRING,
LIBUE TYPE STRING,
VERTV TYPE STRING,
BEWME TYPE STRING,
KZVJ TYPE STRING,
BWART TYPE STRING,
RBDKL TYPE STRING,
VKREF TYPE STRING,
RBDID TYPE STRING,
RBDNR TYPE STRING,
WAERV TYPE STRING,
BETRV TYPE STRING,
BWAGR TYPE STRING,
BWTYP TYPE STRING,
AUSF TYPE STRING,
KZSH TYPE STRING,
ZWBST TYPE STRING,
MAHNS TYPE STRING,
ANRBB TYPE STRING,
PWVPZ TYPE STRING,
WBKNZ TYPE STRING,
GJRBD TYPE STRING,
REWRIOFF TYPE STRING,
AEDAT TYPE STRING,
PRCTR TYPE STRING,
KOSTL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/IBS/TRB_TTY_BAL_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_TTY_BAL_STR-MANDANT sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-MODID sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-LIBUE sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-VERTV sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-BEWME sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-KZVJ sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-BWART sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-RBDKL sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-VKREF sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-RBDID sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-RBDNR sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-WAERV sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-BETRV sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-BWAGR sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-BWTYP sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-AUSF sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-KZSH sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-ZWBST sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-MAHNS sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-ANRBB sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-PWVPZ sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-WBKNZ sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-GJRBD sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-REWRIOFF sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-AEDAT sy-vline 
WA_/IBS/TRB_TTY_BAL_STR-PRCTR sy-vline 
WA_/IBS/TRB_TTY_BAL_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.