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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /IBS/SRB_REALLOC_CONTR
*  INTO TABLE @DATA(IT_/IBS/SRB_REALLOC_CONTR2).
*--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/SRB_REALLOC_CONTR INDEX 1 INTO DATA(WA_/IBS/SRB_REALLOC_CONTR2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/IBS/SRB_REALLOC_CONTR-STIDA, sy-vline,
  WA_/IBS/SRB_REALLOC_CONTR-BWAGR, sy-vline,
  WA_/IBS/SRB_REALLOC_CONTR-CURRENCY, sy-vline,
  WA_/IBS/SRB_REALLOC_CONTR-FLG_MAN_CF, sy-vline,
  WA_/IBS/SRB_REALLOC_CONTR-FLG_MAN_CO, sy-vline,
  WA_/IBS/SRB_REALLOC_CONTR-IS_PART_REALLOC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/IBS/SRB_REALLOC_CONTR 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/SRB_REALLOC_CONTR 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/SRB_REALLOC_CONTR INTO WA_/IBS/SRB_REALLOC_CONTR.


*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/SRB_REALLOC_CONTR-RBDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IBS/SRB_REALLOC_CONTR-RBDNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field FINRV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/IBS/SRB_REALLOC_CONTR-FINRV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IBS/SRB_REALLOC_CONTR-FINRV.
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/SRB_REALLOC_CONTR_STR, 
RBDID TYPE STRING,
RBDNR TYPE STRING,
MODID TYPE STRING,
LIBUE TYPE STRING,
VERTV TYPE STRING,
STIDA TYPE STRING,
BWAGR TYPE STRING,
CURRENCY TYPE STRING,
FLG_MAN_CF TYPE STRING,
FLG_MAN_CO TYPE STRING,
IS_PART_REALLOC TYPE STRING,
REQ_UNW TYPE STRING,
BOOK_AMT TYPE STRING,
BAL_OLD TYPE STRING,
BAL_NEW TYPE STRING,
VKREF TYPE STRING,
SANLF TYPE STRING,
PARTV TYPE STRING,
FINRV TYPE STRING,
PDAVS TYPE STRING,
REALLOC_AMT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/IBS/SRB_REALLOC_CONTR_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/SRB_REALLOC_CONTR_STR-RBDID sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-RBDNR sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-MODID sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-LIBUE sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-VERTV sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-STIDA sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-BWAGR sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-CURRENCY sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-FLG_MAN_CF sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-FLG_MAN_CO sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-IS_PART_REALLOC sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-REQ_UNW sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-BOOK_AMT sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-BAL_OLD sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-BAL_NEW sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-VKREF sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-SANLF sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-PARTV sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-FINRV sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-PDAVS sy-vline 
WA_/IBS/SRB_REALLOC_CONTR_STR-REALLOC_AMT sy-vline      INTO ld_text SEPARATED BY SPACE.

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