ABAP Select data from SAP table HCMT_BSP_PA_HU_R3234 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HCMT_BSP_PA_HU_R3234 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 HCMT_BSP_PA_HU_R3234. 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 HCMT_BSP_PA_HU_R3234 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_HCMT_BSP_PA_HU_R3234 TYPE STANDARD TABLE OF HCMT_BSP_PA_HU_R3234,
      WA_HCMT_BSP_PA_HU_R3234 TYPE HCMT_BSP_PA_HU_R3234,
      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: <HCMT_BSP_PA_HU_R3234> TYPE HCMT_BSP_PA_HU_R3234.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HCMT_BSP_PA_HU_R3234.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HCMT_BSP_PA_HU_R3234
  INTO TABLE IT_HCMT_BSP_PA_HU_R3234.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMT_BSP_PA_HU_R3234
*  INTO TABLE @DATA(IT_HCMT_BSP_PA_HU_R32342).
*--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_HCMT_BSP_PA_HU_R3234 INDEX 1 INTO DATA(WA_HCMT_BSP_PA_HU_R32342).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HCMT_BSP_PA_HU_R3234 ASSIGNING <HCMT_BSP_PA_HU_R3234>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMT_BSP_PA_HU_R3234>-OBJECT_KEY = 1.
<HCMT_BSP_PA_HU_R3234>-PERNR = 1.
<HCMT_BSP_PA_HU_R3234>-AEDTM = 1.
<HCMT_BSP_PA_HU_R3234>-UNAME = 1.
<HCMT_BSP_PA_HU_R3234>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_HCMT_BSP_PA_HU_R3234 INTO WA_HCMT_BSP_PA_HU_R3234.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HCMT_BSP_PA_HU_R3234-SPRTX, sy-vline,
  WA_HCMT_BSP_PA_HU_R3234-ITBLD, sy-vline,
  WA_HCMT_BSP_PA_HU_R3234-ITXEX, sy-vline,
  WA_HCMT_BSP_PA_HU_R3234-BEGDA, sy-vline,
  WA_HCMT_BSP_PA_HU_R3234-ENDDA, sy-vline,
  WA_HCMT_BSP_PA_HU_R3234-LGART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMT_BSP_PA_HU_R3234 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_HCMT_BSP_PA_HU_R3234 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_HCMT_BSP_PA_HU_R3234 INTO WA_HCMT_BSP_PA_HU_R3234.


*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 GJAHR, internal->external for field PABRJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_HCMT_BSP_PA_HU_R3234-PABRJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HCMT_BSP_PA_HU_R3234-PABRJ.
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_HCMT_BSP_PA_HU_R3234_STR, 
OBJECT_KEY TYPE STRING,
PERNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
SPRPS TYPE STRING,
SPRTX TYPE STRING,
ITBLD TYPE STRING,
ITXEX TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
LGART TYPE STRING,
LGTXT TYPE STRING,
OPKEN TYPE STRING,
BETRG TYPE STRING,
WAERS TYPE STRING,
ANZHL TYPE STRING,
ZEINH TYPE STRING,
ANZHL_2 TYPE STRING,
ZEINH_2 TYPE STRING,
INDBW TYPE STRING,
ZUORD TYPE STRING,
ESTDT TYPE STRING,
PABRJ TYPE STRING,
PABRP TYPE STRING,
UWDAT TYPE STRING,
PREAS TYPE STRING,
RTEXT TYPE STRING,
PAYTY TYPE STRING,
PAYID TYPE STRING,
OCRSN TYPE STRING,
OCRTX TYPE STRING,
VONBEG TYPE STRING,
VONEND TYPE STRING,
ZALDT TYPE STRING,
EITXT TYPE STRING,
EITXT_2 TYPE STRING,
MOLGA TYPE STRING,
ESDTM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMT_BSP_PA_HU_R3234_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_HCMT_BSP_PA_HU_R3234_STR-OBJECT_KEY sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-PERNR sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-AEDTM sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-UNAME sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-SPRPS sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-SPRTX sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-ITBLD sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-ITXEX sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-BEGDA sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-ENDDA sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-LGART sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-LGTXT sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-OPKEN sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-BETRG sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-WAERS sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-ANZHL sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-ZEINH sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-ANZHL_2 sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-ZEINH_2 sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-INDBW sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-ZUORD sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-ESTDT sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-PABRJ sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-PABRP sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-UWDAT sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-PREAS sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-RTEXT sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-PAYTY sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-PAYID sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-OCRSN sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-OCRTX sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-VONBEG sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-VONEND sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-ZALDT sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-EITXT sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-EITXT_2 sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-MOLGA sy-vline 
WA_HCMT_BSP_PA_HU_R3234_STR-ESDTM sy-vline      INTO ld_text SEPARATED BY SPACE.

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