ABAP Select data from SAP table HCMT_BSP_PA_KR_R0542_SUB_C 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_KR_R0542_SUB_C 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_KR_R0542_SUB_C. 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_KR_R0542_SUB_C 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_KR_R0542_SUB_C TYPE STANDARD TABLE OF HCMT_BSP_PA_KR_R0542_SUB_C,
      WA_HCMT_BSP_PA_KR_R0542_SUB_C TYPE HCMT_BSP_PA_KR_R0542_SUB_C,
      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_KR_R0542_SUB_C> TYPE HCMT_BSP_PA_KR_R0542_SUB_C.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HCMT_BSP_PA_KR_R0542_SUB_C.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HCMT_BSP_PA_KR_R0542_SUB_C
  INTO TABLE IT_HCMT_BSP_PA_KR_R0542_SUB_C.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMT_BSP_PA_KR_R0542_SUB_C
*  INTO TABLE @DATA(IT_HCMT_BSP_PA_KR_R0542_SUB_C2).
*--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_KR_R0542_SUB_C INDEX 1 INTO DATA(WA_HCMT_BSP_PA_KR_R0542_SUB_C2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HCMT_BSP_PA_KR_R0542_SUB_C ASSIGNING <HCMT_BSP_PA_KR_R0542_SUB_C>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMT_BSP_PA_KR_R0542_SUB_C>-FTCHI = 1.
<HCMT_BSP_PA_KR_R0542_SUB_C>-FTCES = 1.
<HCMT_BSP_PA_KR_R0542_SUB_C>-FTCLP = 1.
<HCMT_BSP_PA_KR_R0542_SUB_C>-FTCLS = 1.
<HCMT_BSP_PA_KR_R0542_SUB_C>-TAXCT = 1.

ENDLOOP.

LOOP AT IT_HCMT_BSP_PA_KR_R0542_SUB_C INTO WA_HCMT_BSP_PA_KR_R0542_SUB_C.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HCMT_BSP_PA_KR_R0542_SUB_C-LANDX, sy-vline,
  WA_HCMT_BSP_PA_KR_R0542_SUB_C-ABPLA, sy-vline,
  WA_HCMT_BSP_PA_KR_R0542_SUB_C-ABJOB, sy-vline,
  WA_HCMT_BSP_PA_KR_R0542_SUB_C-ABDUR, sy-vline,
  WA_HCMT_BSP_PA_KR_R0542_SUB_C-KRMON, sy-vline,
  WA_HCMT_BSP_PA_KR_R0542_SUB_C-ABPAY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMT_BSP_PA_KR_R0542_SUB_C 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_KR_R0542_SUB_C 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_KR_R0542_SUB_C INTO WA_HCMT_BSP_PA_KR_R0542_SUB_C.


*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_KR_R0542_SUB_C_STR, 
FTCHI TYPE STRING,
FTCES TYPE STRING,
FTCLP TYPE STRING,
FTCLS TYPE STRING,
TAXCT TYPE STRING,
LANDX TYPE STRING,
ABPLA TYPE STRING,
ABJOB TYPE STRING,
ABDUR TYPE STRING,
KRMON TYPE STRING,
ABPAY TYPE STRING,
KORCR TYPE STRING,
GETDT TYPE STRING,
PUTDT TYPE STRING,
FORCT TYPE STRING,
FORCK TYPE STRING,
WAEC1 TYPE STRING,
WAEC2 TYPE STRING,
WAEC3 TYPE STRING,
WAEC4 TYPE STRING,
WAEC5 TYPE STRING,
WAEC6 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMT_BSP_PA_KR_R0542_SUB_C_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_KR_R0542_SUB_C_STR-FTCHI sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-FTCES sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-FTCLP sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-FTCLS sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-TAXCT sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-LANDX sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-ABPLA sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-ABJOB sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-ABDUR sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-KRMON sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-ABPAY sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-KORCR sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-GETDT sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-PUTDT sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-FORCT sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-FORCK sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-WAEC1 sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-WAEC2 sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-WAEC3 sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-WAEC4 sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-WAEC5 sy-vline 
WA_HCMT_BSP_PA_KR_R0542_SUB_C_STR-WAEC6 sy-vline      INTO ld_text SEPARATED BY SPACE.

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