ABAP Select data from SAP table EPIC_S_EBR_POST_INFO_HDR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EPIC_S_EBR_POST_INFO_HDR
*  INTO TABLE @DATA(IT_EPIC_S_EBR_POST_INFO_HDR2).
*--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_EPIC_S_EBR_POST_INFO_HDR INDEX 1 INTO DATA(WA_EPIC_S_EBR_POST_INFO_HDR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EPIC_S_EBR_POST_INFO_HDR>-BUKRS = 1.
<EPIC_S_EBR_POST_INFO_HDR>-HBKID = 1.
<EPIC_S_EBR_POST_INFO_HDR>-HKTID = 1.
<EPIC_S_EBR_POST_INFO_HDR>-EBR_ID = 1.
<EPIC_S_EBR_POST_INFO_HDR>-VGINT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EPIC_S_EBR_POST_INFO_HDR-BLDAT, sy-vline,
  WA_EPIC_S_EBR_POST_INFO_HDR-BLART, sy-vline,
  WA_EPIC_S_EBR_POST_INFO_HDR-BUDAT, sy-vline,
  WA_EPIC_S_EBR_POST_INFO_HDR-MONAT, sy-vline,
  WA_EPIC_S_EBR_POST_INFO_HDR-WAERS, sy-vline,
  WA_EPIC_S_EBR_POST_INFO_HDR-KURSF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EPIC_S_EBR_POST_INFO_HDR 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_EPIC_S_EBR_POST_INFO_HDR 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_EPIC_S_EBR_POST_INFO_HDR INTO WA_EPIC_S_EBR_POST_INFO_HDR.


*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 EXCRT, internal->external for field KURSF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_EPIC_S_EBR_POST_INFO_HDR-KURSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EPIC_S_EBR_POST_INFO_HDR-KURSF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EPIC_S_EBR_POST_INFO_HDR-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EPIC_S_EBR_POST_INFO_HDR-BELNR.
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_EPIC_S_EBR_POST_INFO_HDR_STR, 
BUKRS TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
EBR_ID TYPE STRING,
VGINT TYPE STRING,
BLDAT TYPE STRING,
BLART TYPE STRING,
BUDAT TYPE STRING,
MONAT TYPE STRING,
WAERS TYPE STRING,
KURSF TYPE STRING,
BELNR TYPE STRING,
WWERT TYPE STRING,
XBLNR TYPE STRING,
BVORG TYPE STRING,
BKTXT TYPE STRING,
AUGTX TYPE STRING,
DIFF_POST_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EPIC_S_EBR_POST_INFO_HDR_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_EPIC_S_EBR_POST_INFO_HDR_STR-BUKRS sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-HBKID sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-HKTID sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-EBR_ID sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-VGINT sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-BLDAT sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-BLART sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-BUDAT sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-MONAT sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-WAERS sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-KURSF sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-BELNR sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-WWERT sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-XBLNR sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-BVORG sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-BKTXT sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-AUGTX sy-vline 
WA_EPIC_S_EBR_POST_INFO_HDR_STR-DIFF_POST_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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