ABAP Select data from SAP table WBHID_APPEND into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WBHID_APPEND
*  INTO TABLE @DATA(IT_WBHID_APPEND2).
*--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_WBHID_APPEND INDEX 1 INTO DATA(WA_WBHID_APPEND2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WBHID_APPEND>-TCTYPF = 1.
<WBHID_APPEND>-HKPSTPF = 1.
<WBHID_APPEND>-MENGE_SD = 1.
<WBHID_APPEND>-MENGE_MM = 1.
<WBHID_APPEND>-MENGE_SD_MAX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WBHID_APPEND-MENGE_MM_MAX, sy-vline,
  WA_WBHID_APPEND-ASSOC_TYPE, sy-vline,
  WA_WBHID_APPEND-NO_ASSO, sy-vline,
  WA_WBHID_APPEND-ITEM_SPLITT, sy-vline,
  WA_WBHID_APPEND-SPLITT_MENGE, sy-vline,
  WA_WBHID_APPEND-SPLITT_MENGE_SO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WBHID_APPEND 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_WBHID_APPEND 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_WBHID_APPEND INTO WA_WBHID_APPEND.


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

*Conversion exit CUNIT, internal->external for field GEWEI_MM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_WBHID_APPEND-GEWEI_MM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WBHID_APPEND-GEWEI_MM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VOLEH_MM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_WBHID_APPEND-VOLEH_MM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WBHID_APPEND-VOLEH_MM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REF_DOC_TO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WBHID_APPEND-REF_DOC_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WBHID_APPEND-REF_DOC_TO.
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_WBHID_APPEND_STR, 
TCTYPF TYPE STRING,
HKPSTPF TYPE STRING,
MENGE_SD TYPE STRING,
MENGE_MM TYPE STRING,
MENGE_SD_MAX TYPE STRING,
MENGE_MM_MAX TYPE STRING,
ASSOC_TYPE TYPE STRING,
NO_ASSO TYPE STRING,
ITEM_SPLITT TYPE STRING,
SPLITT_MENGE TYPE STRING,
SPLITT_MENGE_SO TYPE STRING,
POSNR_TO TYPE STRING,
AUTO_ADJUST TYPE STRING,
FILTER_HANDLE TYPE STRING,
EKPNW TYPE STRING,
VKPNW TYPE STRING,
HKPSTPF_2 TYPE STRING,
TCTYPF_2 TYPE STRING,
RET_ITEM TYPE STRING,
STLAL TYPE STRING,
NR_MENGE TYPE STRING,
NR_KWMENG TYPE STRING,
NETWRT_MM2 TYPE STRING,
PRSOK TYPE STRING,
KSTEU TYPE STRING,
KSTEU_SD TYPE STRING,
KSCHL_MM TYPE STRING,
KBETR_MM TYPE STRING,
KOEIN_MM TYPE STRING,
KSTBS_MM TYPE STRING,
UVPRS TYPE STRING,
KSCHL_SD TYPE STRING,
KBETR_SD TYPE STRING,
KOEIN_SD TYPE STRING,
KSTBS_SD TYPE STRING,
UVPRSD TYPE STRING,
TAX_FROM_COND_MM TYPE STRING,
TAX_FROM_COND_SD TYPE STRING,
LGOBE TYPE STRING,
REPLACEMENT_ACTIVE_MM_PRICING TYPE STRING,
REPLACEMENT_ACTIVE_SD_PRICING TYPE STRING,
REPLACEMENT_ACTIVE_SD_SCHEDULE TYPE STRING,
REPLACEMENT_ACTIVE_MM_SCHEDULE TYPE STRING,
REPLACEMENT_ACTIVE_SD_CONFIG TYPE STRING,
REPLACEMENT_ACTIVE_MM_CONFIG TYPE STRING,
REPLACEMENT_ACTIVE_PARTNER TYPE STRING,
WERKS_NAME TYPE STRING,
GEWEI_MM TYPE STRING,
VOLEH_MM TYPE STRING,
RP_UPDKZ TYPE STRING,
CUOBJ_SD_REF TYPE STRING,
CUOBJ_MM_REF TYPE STRING,
MLGUT TYPE STRING,
QUAN_SD_MAX_FLT TYPE STRING,
QUAN_MM_MAX_FLT TYPE STRING,
SKFBP_SD TYPE STRING,
SKFBP_MM TYPE STRING,
REPLACEMENT_ACTIVE_MM_COM TYPE STRING,
REPLACEMENT_ACTIVE_SD_COM TYPE STRING,
LGOBE_RSLOC TYPE STRING,
UPDATE_PO_SO TYPE STRING,
EINDT_SPLITT TYPE STRING,
EDATU_SPLITT TYPE STRING,
REPLACEMENT_ACTIVE_MM_PPE TYPE STRING,
REPLACEMENT_ACTIVE_SD_PPE TYPE STRING,
BD_LPEIN_MM TYPE STRING,
BD_KETDAT_MM TYPE STRING,
BD_KPRGBZ_SD TYPE STRING,
BD_KETDAT_SD TYPE STRING,
REF_DOC_TO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WBHID_APPEND_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_WBHID_APPEND_STR-TCTYPF sy-vline 
WA_WBHID_APPEND_STR-HKPSTPF sy-vline 
WA_WBHID_APPEND_STR-MENGE_SD sy-vline 
WA_WBHID_APPEND_STR-MENGE_MM sy-vline 
WA_WBHID_APPEND_STR-MENGE_SD_MAX sy-vline 
WA_WBHID_APPEND_STR-MENGE_MM_MAX sy-vline 
WA_WBHID_APPEND_STR-ASSOC_TYPE sy-vline 
WA_WBHID_APPEND_STR-NO_ASSO sy-vline 
WA_WBHID_APPEND_STR-ITEM_SPLITT sy-vline 
WA_WBHID_APPEND_STR-SPLITT_MENGE sy-vline 
WA_WBHID_APPEND_STR-SPLITT_MENGE_SO sy-vline 
WA_WBHID_APPEND_STR-POSNR_TO sy-vline 
WA_WBHID_APPEND_STR-AUTO_ADJUST sy-vline 
WA_WBHID_APPEND_STR-FILTER_HANDLE sy-vline 
WA_WBHID_APPEND_STR-EKPNW sy-vline 
WA_WBHID_APPEND_STR-VKPNW sy-vline 
WA_WBHID_APPEND_STR-HKPSTPF_2 sy-vline 
WA_WBHID_APPEND_STR-TCTYPF_2 sy-vline 
WA_WBHID_APPEND_STR-RET_ITEM sy-vline 
WA_WBHID_APPEND_STR-STLAL sy-vline 
WA_WBHID_APPEND_STR-NR_MENGE sy-vline 
WA_WBHID_APPEND_STR-NR_KWMENG sy-vline 
WA_WBHID_APPEND_STR-NETWRT_MM2 sy-vline 
WA_WBHID_APPEND_STR-PRSOK sy-vline 
WA_WBHID_APPEND_STR-KSTEU sy-vline 
WA_WBHID_APPEND_STR-KSTEU_SD sy-vline 
WA_WBHID_APPEND_STR-KSCHL_MM sy-vline 
WA_WBHID_APPEND_STR-KBETR_MM sy-vline 
WA_WBHID_APPEND_STR-KOEIN_MM sy-vline 
WA_WBHID_APPEND_STR-KSTBS_MM sy-vline 
WA_WBHID_APPEND_STR-UVPRS sy-vline 
WA_WBHID_APPEND_STR-KSCHL_SD sy-vline 
WA_WBHID_APPEND_STR-KBETR_SD sy-vline 
WA_WBHID_APPEND_STR-KOEIN_SD sy-vline 
WA_WBHID_APPEND_STR-KSTBS_SD sy-vline 
WA_WBHID_APPEND_STR-UVPRSD sy-vline 
WA_WBHID_APPEND_STR-TAX_FROM_COND_MM sy-vline 
WA_WBHID_APPEND_STR-TAX_FROM_COND_SD sy-vline 
WA_WBHID_APPEND_STR-LGOBE sy-vline 
WA_WBHID_APPEND_STR-REPLACEMENT_ACTIVE_MM_PRICING sy-vline 
WA_WBHID_APPEND_STR-REPLACEMENT_ACTIVE_SD_PRICING sy-vline 
WA_WBHID_APPEND_STR-REPLACEMENT_ACTIVE_SD_SCHEDULE sy-vline 
WA_WBHID_APPEND_STR-REPLACEMENT_ACTIVE_MM_SCHEDULE sy-vline 
WA_WBHID_APPEND_STR-REPLACEMENT_ACTIVE_SD_CONFIG sy-vline 
WA_WBHID_APPEND_STR-REPLACEMENT_ACTIVE_MM_CONFIG sy-vline 
WA_WBHID_APPEND_STR-REPLACEMENT_ACTIVE_PARTNER sy-vline 
WA_WBHID_APPEND_STR-WERKS_NAME sy-vline 
WA_WBHID_APPEND_STR-GEWEI_MM sy-vline 
WA_WBHID_APPEND_STR-VOLEH_MM sy-vline 
WA_WBHID_APPEND_STR-RP_UPDKZ sy-vline 
WA_WBHID_APPEND_STR-CUOBJ_SD_REF sy-vline 
WA_WBHID_APPEND_STR-CUOBJ_MM_REF sy-vline 
WA_WBHID_APPEND_STR-MLGUT sy-vline 
WA_WBHID_APPEND_STR-QUAN_SD_MAX_FLT sy-vline 
WA_WBHID_APPEND_STR-QUAN_MM_MAX_FLT sy-vline 
WA_WBHID_APPEND_STR-SKFBP_SD sy-vline 
WA_WBHID_APPEND_STR-SKFBP_MM sy-vline 
WA_WBHID_APPEND_STR-REPLACEMENT_ACTIVE_MM_COM sy-vline 
WA_WBHID_APPEND_STR-REPLACEMENT_ACTIVE_SD_COM sy-vline 
WA_WBHID_APPEND_STR-LGOBE_RSLOC sy-vline 
WA_WBHID_APPEND_STR-UPDATE_PO_SO sy-vline 
WA_WBHID_APPEND_STR-EINDT_SPLITT sy-vline 
WA_WBHID_APPEND_STR-EDATU_SPLITT sy-vline 
WA_WBHID_APPEND_STR-REPLACEMENT_ACTIVE_MM_PPE sy-vline 
WA_WBHID_APPEND_STR-REPLACEMENT_ACTIVE_SD_PPE sy-vline 
WA_WBHID_APPEND_STR-BD_LPEIN_MM sy-vline 
WA_WBHID_APPEND_STR-BD_KETDAT_MM sy-vline 
WA_WBHID_APPEND_STR-BD_KPRGBZ_SD sy-vline 
WA_WBHID_APPEND_STR-BD_KETDAT_SD sy-vline 
WA_WBHID_APPEND_STR-REF_DOC_TO sy-vline      INTO ld_text SEPARATED BY SPACE.

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