ABAP Select data from SAP table HCMT_BSP_PA_CH_R0021_ST02 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_CH_R0021_ST02 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_CH_R0021_ST02. 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_CH_R0021_ST02 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_CH_R0021_ST02 TYPE STANDARD TABLE OF HCMT_BSP_PA_CH_R0021_ST02,
      WA_HCMT_BSP_PA_CH_R0021_ST02 TYPE HCMT_BSP_PA_CH_R0021_ST02,
      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_CH_R0021_ST02> TYPE HCMT_BSP_PA_CH_R0021_ST02.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HCMT_BSP_PA_CH_R0021_ST02.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HCMT_BSP_PA_CH_R0021_ST02
  INTO TABLE IT_HCMT_BSP_PA_CH_R0021_ST02.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMT_BSP_PA_CH_R0021_ST02
*  INTO TABLE @DATA(IT_HCMT_BSP_PA_CH_R0021_ST022).
*--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_CH_R0021_ST02 INDEX 1 INTO DATA(WA_HCMT_BSP_PA_CH_R0021_ST022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HCMT_BSP_PA_CH_R0021_ST02 ASSIGNING <HCMT_BSP_PA_CH_R0021_ST02>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMT_BSP_PA_CH_R0021_ST02>-OBJECT_KEY = 1.
<HCMT_BSP_PA_CH_R0021_ST02>-PERNR = 1.
<HCMT_BSP_PA_CH_R0021_ST02>-AEDTM = 1.
<HCMT_BSP_PA_CH_R0021_ST02>-UNAME = 1.
<HCMT_BSP_PA_CH_R0021_ST02>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_HCMT_BSP_PA_CH_R0021_ST02 INTO WA_HCMT_BSP_PA_CH_R0021_ST02.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HCMT_BSP_PA_CH_R0021_ST02-SPRTX, sy-vline,
  WA_HCMT_BSP_PA_CH_R0021_ST02-ITBLD, sy-vline,
  WA_HCMT_BSP_PA_CH_R0021_ST02-ITXEX, sy-vline,
  WA_HCMT_BSP_PA_CH_R0021_ST02-BEGDA, sy-vline,
  WA_HCMT_BSP_PA_CH_R0021_ST02-ENDDA, sy-vline,
  WA_HCMT_BSP_PA_CH_R0021_ST02-FAMSA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMT_BSP_PA_CH_R0021_ST02 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_CH_R0021_ST02 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_CH_R0021_ST02 INTO WA_HCMT_BSP_PA_CH_R0021_ST02.


*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 PDATE, internal->external for field FGBDT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_HCMT_BSP_PA_CH_R0021_ST02-FGBDT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HCMT_BSP_PA_CH_R0021_ST02-FGBDT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AHVNR, internal->external for field AHVNR
CALL FUNCTION 'CONVERSION_EXIT_AHVNR_OUTPUT'
  EXPORTING
    input =                      WA_HCMT_BSP_PA_CH_R0021_ST02-AHVNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HCMT_BSP_PA_CH_R0021_ST02-AHVNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AHVN2, internal->external for field NAHVN
CALL FUNCTION 'CONVERSION_EXIT_AHVN2_OUTPUT'
  EXPORTING
    input =                      WA_HCMT_BSP_PA_CH_R0021_ST02-NAHVN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HCMT_BSP_PA_CH_R0021_ST02-NAHVN.
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_CH_R0021_ST02_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,
FAMSA TYPE STRING,
STEXT TYPE STRING,
OBJPS TYPE STRING,
OBJPS1 TYPE STRING,
OBJPS2 TYPE STRING,
FANAM TYPE STRING,
FGBNA TYPE STRING,
FAVOR TYPE STRING,
FINIT TYPE STRING,
FNMZU TYPE STRING,
FKNZN TYPE STRING,
FVRSW TYPE STRING,
FVRS2 TYPE STRING,
FGBDT TYPE STRING,
FGBOT TYPE STRING,
FGBLD TYPE STRING,
LNDTX TYPE STRING,
FANAT TYPE STRING,
NATTX TYPE STRING,
FANA2 TYPE STRING,
NA2TX TYPE STRING,
FANA3 TYPE STRING,
NA3TX TYPE STRING,
SEXTX TYPE STRING,
FASEX TYPE STRING,
SETXT TYPE STRING,
ERBNR TYPE STRING,
AHVNR TYPE STRING,
NAHVN TYPE STRING,
EGAGA TYPE STRING,
ANTXT TYPE STRING,
KDSVH TYPE STRING,
KDSTX TYPE STRING,
KDUTB TYPE STRING,
KDUTX TYPE STRING,
KDBSL TYPE STRING,
KDBTX TYPE STRING,
BETRG TYPE STRING,
WAERS TYPE STRING,
FASAR TYPE STRING,
FASDT TYPE STRING,
FASIN TYPE STRING,
AUSZFAK TYPE STRING,
AUSPRZ TYPE STRING,
KZKUERZ TYPE STRING,
LCOUN TYPE STRING,
LCANT TYPE STRING,
DIFAL TYPE STRING,
EMPYN TYPE STRING,
WCOUN TYPE STRING,
WCANT TYPE STRING,
ERADR TYPE STRING,
ETRNZ TYPE STRING,
ETBEG TYPE STRING,
ETEND TYPE STRING,
WCTXT TYPE STRING,
LCTXT TYPE STRING,
WCATX TYPE STRING,
LCATX TYPE STRING,
FASTX TYPE STRING,
WHTDEDUC TYPE STRING,
PAYBEGDA TYPE STRING,
PAYENDDA TYPE STRING,
WORKCOMP TYPE STRING,
NEBEN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMT_BSP_PA_CH_R0021_ST02_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_CH_R0021_ST02_STR-OBJECT_KEY sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-PERNR sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-AEDTM sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-UNAME sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-SPRPS sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-SPRTX sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-ITBLD sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-ITXEX sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-BEGDA sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-ENDDA sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FAMSA sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-STEXT sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-OBJPS sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-OBJPS1 sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-OBJPS2 sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FANAM sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FGBNA sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FAVOR sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FINIT sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FNMZU sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FKNZN sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FVRSW sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FVRS2 sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FGBDT sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FGBOT sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FGBLD sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-LNDTX sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FANAT sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-NATTX sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FANA2 sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-NA2TX sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FANA3 sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-NA3TX sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-SEXTX sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FASEX sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-SETXT sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-ERBNR sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-AHVNR sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-NAHVN sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-EGAGA sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-ANTXT sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-KDSVH sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-KDSTX sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-KDUTB sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-KDUTX sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-KDBSL sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-KDBTX sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-BETRG sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-WAERS sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FASAR sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FASDT sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FASIN sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-AUSZFAK sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-AUSPRZ sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-KZKUERZ sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-LCOUN sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-LCANT sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-DIFAL sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-EMPYN sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-WCOUN sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-WCANT sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-ERADR sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-ETRNZ sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-ETBEG sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-ETEND sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-WCTXT sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-LCTXT sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-WCATX sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-LCATX sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-FASTX sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-WHTDEDUC sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-PAYBEGDA sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-PAYENDDA sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-WORKCOMP sy-vline 
WA_HCMT_BSP_PA_CH_R0021_ST02_STR-NEBEN sy-vline      INTO ld_text SEPARATED BY SPACE.

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