ABAP Select data from SAP table DFSCIHISTIOB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFSCIHISTIOB
*  INTO TABLE @DATA(IT_DFSCIHISTIOB2).
*--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_DFSCIHISTIOB INDEX 1 INTO DATA(WA_DFSCIHISTIOB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFSCIHISTIOB>-MANDT = 1.
<DFSCIHISTIOB>-GPART = 1.
<DFSCIHISTIOB>-BUKRS = 1.
<DFSCIHISTIOB>-WAERS = 1.
<DFSCIHISTIOB>-IOPBEL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFSCIHISTIOB-LFDNR, sy-vline,
  WA_DFSCIHISTIOB-VKONT, sy-vline,
  WA_DFSCIHISTIOB-LAUFD, sy-vline,
  WA_DFSCIHISTIOB-LAUFI, sy-vline,
  WA_DFSCIHISTIOB-ERNAM, sy-vline,
  WA_DFSCIHISTIOB-ERDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFSCIHISTIOB 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_DFSCIHISTIOB 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_DFSCIHISTIOB INTO WA_DFSCIHISTIOB.


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

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

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

*Conversion exit ALPHA, internal->external for field IRULE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFSCIHISTIOB-IRULE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFSCIHISTIOB-IRULE.
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_DFSCIHISTIOB_STR, 
MANDT TYPE STRING,
GPART TYPE STRING,
BUKRS TYPE STRING,
WAERS TYPE STRING,
IOPBEL TYPE STRING,
LFDNR TYPE STRING,
VKONT TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
ERNAM TYPE STRING,
ERDAT TYPE STRING,
AUSDT TYPE STRING,
ABDAT TYPE STRING,
BISDAT TYPE STRING,
SALDO TYPE STRING,
BETRW TYPE STRING,
BALNOR TYPE STRING,
INTNOR TYPE STRING,
RATE TYPE STRING,
IRULE TYPE STRING,
IDAYS TYPE STRING,
RC TYPE STRING,
COPRI TYPE STRING,
TESTSTAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFSCIHISTIOB_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_DFSCIHISTIOB_STR-MANDT sy-vline 
WA_DFSCIHISTIOB_STR-GPART sy-vline 
WA_DFSCIHISTIOB_STR-BUKRS sy-vline 
WA_DFSCIHISTIOB_STR-WAERS sy-vline 
WA_DFSCIHISTIOB_STR-IOPBEL sy-vline 
WA_DFSCIHISTIOB_STR-LFDNR sy-vline 
WA_DFSCIHISTIOB_STR-VKONT sy-vline 
WA_DFSCIHISTIOB_STR-LAUFD sy-vline 
WA_DFSCIHISTIOB_STR-LAUFI sy-vline 
WA_DFSCIHISTIOB_STR-ERNAM sy-vline 
WA_DFSCIHISTIOB_STR-ERDAT sy-vline 
WA_DFSCIHISTIOB_STR-AUSDT sy-vline 
WA_DFSCIHISTIOB_STR-ABDAT sy-vline 
WA_DFSCIHISTIOB_STR-BISDAT sy-vline 
WA_DFSCIHISTIOB_STR-SALDO sy-vline 
WA_DFSCIHISTIOB_STR-BETRW sy-vline 
WA_DFSCIHISTIOB_STR-BALNOR sy-vline 
WA_DFSCIHISTIOB_STR-INTNOR sy-vline 
WA_DFSCIHISTIOB_STR-RATE sy-vline 
WA_DFSCIHISTIOB_STR-IRULE sy-vline 
WA_DFSCIHISTIOB_STR-IDAYS sy-vline 
WA_DFSCIHISTIOB_STR-RC sy-vline 
WA_DFSCIHISTIOB_STR-COPRI sy-vline 
WA_DFSCIHISTIOB_STR-TESTSTAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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