ABAP Select data from SAP table HCMT_BSP_PA_DE_R0020 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_DE_R0020 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_DE_R0020. 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_DE_R0020 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_DE_R0020 TYPE STANDARD TABLE OF HCMT_BSP_PA_DE_R0020,
      WA_HCMT_BSP_PA_DE_R0020 TYPE HCMT_BSP_PA_DE_R0020,
      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_DE_R0020> TYPE HCMT_BSP_PA_DE_R0020.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HCMT_BSP_PA_DE_R0020.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HCMT_BSP_PA_DE_R0020
  INTO TABLE IT_HCMT_BSP_PA_DE_R0020.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMT_BSP_PA_DE_R0020
*  INTO TABLE @DATA(IT_HCMT_BSP_PA_DE_R00202).
*--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_DE_R0020 INDEX 1 INTO DATA(WA_HCMT_BSP_PA_DE_R00202).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HCMT_BSP_PA_DE_R0020 ASSIGNING <HCMT_BSP_PA_DE_R0020>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMT_BSP_PA_DE_R0020>-OBJECT_KEY = 1.
<HCMT_BSP_PA_DE_R0020>-PERNR = 1.
<HCMT_BSP_PA_DE_R0020>-AEDTM = 1.
<HCMT_BSP_PA_DE_R0020>-UNAME = 1.
<HCMT_BSP_PA_DE_R0020>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_HCMT_BSP_PA_DE_R0020 INTO WA_HCMT_BSP_PA_DE_R0020.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HCMT_BSP_PA_DE_R0020-SPRTX, sy-vline,
  WA_HCMT_BSP_PA_DE_R0020-ITBLD, sy-vline,
  WA_HCMT_BSP_PA_DE_R0020-ITXEX, sy-vline,
  WA_HCMT_BSP_PA_DE_R0020-BEGDA, sy-vline,
  WA_HCMT_BSP_PA_DE_R0020-ENDDA, sy-vline,
  WA_HCMT_BSP_PA_DE_R0020-DUETA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMT_BSP_PA_DE_R0020 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_DE_R0020 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_DE_R0020 INTO WA_HCMT_BSP_PA_DE_R0020.


*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.
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_DE_R0020_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,
DUETA TYPE STRING,
DUTXT TYPE STRING,
STBRF TYPE STRING,
TXT TYPE STRING,
AUSBG TYPE STRING,
AUTXT TYPE STRING,
PGRD3 TYPE STRING,
KZSTA TYPE STRING,
KZSTX TYPE STRING,
PGKTXT TYPE STRING,
REANT TYPE STRING,
RATXT TYPE STRING,
MFBTG TYPE STRING,
EGSVN TYPE STRING,
DUVSP TYPE STRING,
KONMD TYPE STRING,
TTKKN TYPE STRING,
TKTXT TYPE STRING,
BESKN TYPE STRING,
BETXT TYPE STRING,
WLGRD TYPE STRING,
WGTXT TYPE STRING,
BPRAE TYPE STRING,
GRBWR TYPE STRING,
NBPBR TYPE STRING,
KZMAN TYPE STRING,
TTSCH TYPE STRING,
TTSTX TYPE STRING,
TTBRF TYPE STRING,
BRFTX TYPE STRING,
ABSCH TYPE STRING,
ABSTX TYPE STRING,
ABBRF TYPE STRING,
ABBTX TYPE STRING,
ANUEB TYPE STRING,
ANUTX TYPE STRING,
VTFRM TYPE STRING,
VTFTX TYPE STRING,
MMDAG TYPE STRING,
MMDKK TYPE STRING,
AUSBG2 TYPE STRING,
AUTXT2 TYPE STRING,
SARBN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMT_BSP_PA_DE_R0020_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_DE_R0020_STR-OBJECT_KEY sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-PERNR sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-AEDTM sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-UNAME sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-SPRPS sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-SPRTX sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-ITBLD sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-ITXEX sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-BEGDA sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-ENDDA sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-DUETA sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-DUTXT sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-STBRF sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-TXT sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-AUSBG sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-AUTXT sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-PGRD3 sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-KZSTA sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-KZSTX sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-PGKTXT sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-REANT sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-RATXT sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-MFBTG sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-EGSVN sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-DUVSP sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-KONMD sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-TTKKN sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-TKTXT sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-BESKN sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-BETXT sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-WLGRD sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-WGTXT sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-BPRAE sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-GRBWR sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-NBPBR sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-KZMAN sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-TTSCH sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-TTSTX sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-TTBRF sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-BRFTX sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-ABSCH sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-ABSTX sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-ABBRF sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-ABBTX sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-ANUEB sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-ANUTX sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-VTFRM sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-VTFTX sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-MMDAG sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-MMDKK sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-AUSBG2 sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-AUTXT2 sy-vline 
WA_HCMT_BSP_PA_DE_R0020_STR-SARBN sy-vline      INTO ld_text SEPARATED BY SPACE.

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