ABAP Select data from SAP table HRPAYCH_HFQST_S_FORM_SAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYCH_HFQST_S_FORM_SAL
*  INTO TABLE @DATA(IT_HRPAYCH_HFQST_S_FORM_SAL2).
*--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_HRPAYCH_HFQST_S_FORM_SAL INDEX 1 INTO DATA(WA_HRPAYCH_HFQST_S_FORM_SAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYCH_HFQST_S_FORM_SAL>-PERNR = 1.
<HRPAYCH_HFQST_S_FORM_SAL>-NAHVN = 1.
<HRPAYCH_HFQST_S_FORM_SAL>-VORNA = 1.
<HRPAYCH_HFQST_S_FORM_SAL>-NACHN = 1.
<HRPAYCH_HFQST_S_FORM_SAL>-ENAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYCH_HFQST_S_FORM_SAL-KANTO, sy-vline,
  WA_HRPAYCH_HFQST_S_FORM_SAL-WTAX_BETRG, sy-vline,
  WA_HRPAYCH_HFQST_S_FORM_SAL-WTAX_BASE_LIABLE, sy-vline,
  WA_HRPAYCH_HFQST_S_FORM_SAL-WTAX_BASE_RATEDET, sy-vline,
  WA_HRPAYCH_HFQST_S_FORM_SAL-QSTAB, sy-vline,
  WA_HRPAYCH_HFQST_S_FORM_SAL-QSTAB1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYCH_HFQST_S_FORM_SAL 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_HRPAYCH_HFQST_S_FORM_SAL 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_HRPAYCH_HFQST_S_FORM_SAL INTO WA_HRPAYCH_HFQST_S_FORM_SAL.


*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 AHVN2, internal->external for field NAHVN
CALL FUNCTION 'CONVERSION_EXIT_AHVN2_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCH_HFQST_S_FORM_SAL-NAHVN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCH_HFQST_S_FORM_SAL-NAHVN.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field JAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCH_HFQST_S_FORM_SAL-JAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCH_HFQST_S_FORM_SAL-JAHR.
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_HRPAYCH_HFQST_S_FORM_SAL_STR, 
PERNR TYPE STRING,
NAHVN TYPE STRING,
VORNA TYPE STRING,
NACHN TYPE STRING,
ENAME TYPE STRING,
KANTO TYPE STRING,
WTAX_BETRG TYPE STRING,
WTAX_BASE_LIABLE TYPE STRING,
WTAX_BASE_RATEDET TYPE STRING,
QSTAB TYPE STRING,
QSTAB1 TYPE STRING,
QSTAB2 TYPE STRING,
QSTAB3 TYPE STRING,
STAT TYPE STRING,
PERIOD TYPE STRING,
GBDAT TYPE STRING,
GEMND_NR TYPE STRING,
GEMND_PLZ TYPE STRING,
GEMND_TXT TYPE STRING,
QSTPRO TYPE STRING,
MUTDAT TYPE STRING,
MUTDATEA TYPE STRING,
MUTDATD TYPE STRING,
MUTDATEAD TYPE STRING,
JAHR TYPE STRING,
WTAX_COMMISSION TYPE STRING,
AKANT TYPE STRING,
LINE_COUNT TYPE STRING,
CMPLN TYPE STRING,
STRAS TYPE STRING,
POBOX TYPE STRING,
LOCTY TYPE STRING,
PSTLZ TYPE STRING,
ORT01 TYPE STRING,
LAND1 TYPE STRING,
NUSEL TYPE STRING,
CNTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYCH_HFQST_S_FORM_SAL_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_HRPAYCH_HFQST_S_FORM_SAL_STR-PERNR sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-NAHVN sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-VORNA sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-NACHN sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-ENAME sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-KANTO sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-WTAX_BETRG sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-WTAX_BASE_LIABLE sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-WTAX_BASE_RATEDET sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-QSTAB sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-QSTAB1 sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-QSTAB2 sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-QSTAB3 sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-STAT sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-PERIOD sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-GBDAT sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-GEMND_NR sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-GEMND_PLZ sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-GEMND_TXT sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-QSTPRO sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-MUTDAT sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-MUTDATEA sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-MUTDATD sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-MUTDATEAD sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-JAHR sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-WTAX_COMMISSION sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-AKANT sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-LINE_COUNT sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-CMPLN sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-STRAS sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-POBOX sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-LOCTY sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-PSTLZ sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-ORT01 sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-LAND1 sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-NUSEL sy-vline 
WA_HRPAYCH_HFQST_S_FORM_SAL_STR-CNTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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