ABAP Select data from SAP table HCMT_BSP_PA_DE_R0202_DC 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_R0202_DC 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_R0202_DC. 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_R0202_DC 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_R0202_DC TYPE STANDARD TABLE OF HCMT_BSP_PA_DE_R0202_DC,
      WA_HCMT_BSP_PA_DE_R0202_DC TYPE HCMT_BSP_PA_DE_R0202_DC,
      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_R0202_DC> TYPE HCMT_BSP_PA_DE_R0202_DC.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HCMT_BSP_PA_DE_R0202_DC.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HCMT_BSP_PA_DE_R0202_DC
  INTO TABLE IT_HCMT_BSP_PA_DE_R0202_DC.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMT_BSP_PA_DE_R0202_DC
*  INTO TABLE @DATA(IT_HCMT_BSP_PA_DE_R0202_DC2).
*--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_R0202_DC INDEX 1 INTO DATA(WA_HCMT_BSP_PA_DE_R0202_DC2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HCMT_BSP_PA_DE_R0202_DC ASSIGNING <HCMT_BSP_PA_DE_R0202_DC>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMT_BSP_PA_DE_R0202_DC>-VTBET = 1.
<HCMT_BSP_PA_DE_R0202_DC>-WAERS1 = 1.
<HCMT_BSP_PA_DE_R0202_DC>-ZFPER = 1.
<HCMT_BSP_PA_DE_R0202_DC>-ZANZL = 1.
<HCMT_BSP_PA_DE_R0202_DC>-BEGAZ = 1.

ENDLOOP.

LOOP AT IT_HCMT_BSP_PA_DE_R0202_DC INTO WA_HCMT_BSP_PA_DE_R0202_DC.
*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_R0202_DC-ENDAZ, sy-vline,
  WA_HCMT_BSP_PA_DE_R0202_DC-VTPER, sy-vline,
  WA_HCMT_BSP_PA_DE_R0202_DC-VTPTX, sy-vline,
  WA_HCMT_BSP_PA_DE_R0202_DC-JBEWE, sy-vline,
  WA_HCMT_BSP_PA_DE_R0202_DC-IDAUS, sy-vline,
  WA_HCMT_BSP_PA_DE_R0202_DC-AUSTX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMT_BSP_PA_DE_R0202_DC 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_R0202_DC 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_R0202_DC INTO WA_HCMT_BSP_PA_DE_R0202_DC.


*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_R0202_DC_STR, 
VTBET TYPE STRING,
WAERS1 TYPE STRING,
ZFPER TYPE STRING,
ZANZL TYPE STRING,
BEGAZ TYPE STRING,
ENDAZ TYPE STRING,
VTPER TYPE STRING,
VTPTX TYPE STRING,
JBEWE TYPE STRING,
IDAUS TYPE STRING,
AUSTX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMT_BSP_PA_DE_R0202_DC_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_R0202_DC_STR-VTBET sy-vline 
WA_HCMT_BSP_PA_DE_R0202_DC_STR-WAERS1 sy-vline 
WA_HCMT_BSP_PA_DE_R0202_DC_STR-ZFPER sy-vline 
WA_HCMT_BSP_PA_DE_R0202_DC_STR-ZANZL sy-vline 
WA_HCMT_BSP_PA_DE_R0202_DC_STR-BEGAZ sy-vline 
WA_HCMT_BSP_PA_DE_R0202_DC_STR-ENDAZ sy-vline 
WA_HCMT_BSP_PA_DE_R0202_DC_STR-VTPER sy-vline 
WA_HCMT_BSP_PA_DE_R0202_DC_STR-VTPTX sy-vline 
WA_HCMT_BSP_PA_DE_R0202_DC_STR-JBEWE sy-vline 
WA_HCMT_BSP_PA_DE_R0202_DC_STR-IDAUS sy-vline 
WA_HCMT_BSP_PA_DE_R0202_DC_STR-AUSTX sy-vline      INTO ld_text SEPARATED BY SPACE.

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