ABAP Select data from SAP table HRPAYCA_S_REL1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRPAYCA_S_REL1 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 HRPAYCA_S_REL1. 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 HRPAYCA_S_REL1 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_HRPAYCA_S_REL1 TYPE STANDARD TABLE OF HRPAYCA_S_REL1,
      WA_HRPAYCA_S_REL1 TYPE HRPAYCA_S_REL1,
      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: <HRPAYCA_S_REL1> TYPE HRPAYCA_S_REL1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRPAYCA_S_REL1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRPAYCA_S_REL1
  INTO TABLE IT_HRPAYCA_S_REL1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYCA_S_REL1
*  INTO TABLE @DATA(IT_HRPAYCA_S_REL12).
*--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_HRPAYCA_S_REL1 INDEX 1 INTO DATA(WA_HRPAYCA_S_REL12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRPAYCA_S_REL1 ASSIGNING <HRPAYCA_S_REL1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYCA_S_REL1>-BOX01 = 1.
<HRPAYCA_S_REL1>-BOX02 = 1.
<HRPAYCA_S_REL1>-BOX03 = 1.
<HRPAYCA_S_REL1>-BOX04 = 1.
<HRPAYCA_S_REL1>-BOX05 = 1.

ENDLOOP.

LOOP AT IT_HRPAYCA_S_REL1 INTO WA_HRPAYCA_S_REL1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYCA_S_REL1-BOX06, sy-vline,
  WA_HRPAYCA_S_REL1-BOX07, sy-vline,
  WA_HRPAYCA_S_REL1-BOX08, sy-vline,
  WA_HRPAYCA_S_REL1-BOX09, sy-vline,
  WA_HRPAYCA_S_REL1-BOX10, sy-vline,
  WA_HRPAYCA_S_REL1-BOX11, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYCA_S_REL1 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_HRPAYCA_S_REL1 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_HRPAYCA_S_REL1 INTO WA_HRPAYCA_S_REL1.


*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 GJAHR, internal->external for field TAX_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCA_S_REL1-TAX_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCA_S_REL1-TAX_YEAR.
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_HRPAYCA_S_REL1_STR, 
BOX01 TYPE STRING,
BOX02 TYPE STRING,
BOX03 TYPE STRING,
BOX04 TYPE STRING,
BOX05 TYPE STRING,
BOX06 TYPE STRING,
BOX07 TYPE STRING,
BOX08 TYPE STRING,
BOX09 TYPE STRING,
BOX10 TYPE STRING,
BOX11 TYPE STRING,
BOX12 TYPE STRING,
BOX13 TYPE STRING,
BOX14 TYPE STRING,
BOX15 TYPE STRING,
BOX16 TYPE STRING,
BOX17 TYPE STRING,
BOX18 TYPE STRING,
BOX19 TYPE STRING,
BOX20 TYPE STRING,
BOX21 TYPE STRING,
BOX22 TYPE STRING,
BOX23 TYPE STRING,
O01 TYPE STRING,
O01_TEXT TYPE STRING,
O02 TYPE STRING,
O02_TEXT TYPE STRING,
O03 TYPE STRING,
O03_TEXT TYPE STRING,
O04 TYPE STRING,
O04_TEXT TYPE STRING,
TAX_YEAR TYPE STRING,
AMEND TYPE STRING,
ORLNUM TYPE STRING,
FRNUM TYPE STRING,
RLNUM TYPE STRING,
PERID TYPE STRING,
PERNR TYPE STRING,
MODIFIE TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
INITS TYPE STRING,
CAREOF TYPE STRING,
STRAS TYPE STRING,
LOCAT TYPE STRING,
ORT01 TYPE STRING,
STATE TYPE STRING,
PSTLZ TYPE STRING,
LAND1 TYPE STRING,
CUSTOM TYPE STRING,
EMPLR_BUTXT TYPE STRING,
EMPLR_NAME1 TYPE STRING,
EMPLR_NAME2 TYPE STRING,
EMPLR_STRAS TYPE STRING,
EMPLR_ORT01 TYPE STRING,
EMPLR_REGIO TYPE STRING,
EMPLR_PSTLZ TYPE STRING,
OCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYCA_S_REL1_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_HRPAYCA_S_REL1_STR-BOX01 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX02 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX03 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX04 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX05 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX06 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX07 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX08 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX09 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX10 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX11 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX12 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX13 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX14 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX15 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX16 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX17 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX18 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX19 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX20 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX21 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX22 sy-vline 
WA_HRPAYCA_S_REL1_STR-BOX23 sy-vline 
WA_HRPAYCA_S_REL1_STR-O01 sy-vline 
WA_HRPAYCA_S_REL1_STR-O01_TEXT sy-vline 
WA_HRPAYCA_S_REL1_STR-O02 sy-vline 
WA_HRPAYCA_S_REL1_STR-O02_TEXT sy-vline 
WA_HRPAYCA_S_REL1_STR-O03 sy-vline 
WA_HRPAYCA_S_REL1_STR-O03_TEXT sy-vline 
WA_HRPAYCA_S_REL1_STR-O04 sy-vline 
WA_HRPAYCA_S_REL1_STR-O04_TEXT sy-vline 
WA_HRPAYCA_S_REL1_STR-TAX_YEAR sy-vline 
WA_HRPAYCA_S_REL1_STR-AMEND sy-vline 
WA_HRPAYCA_S_REL1_STR-ORLNUM sy-vline 
WA_HRPAYCA_S_REL1_STR-FRNUM sy-vline 
WA_HRPAYCA_S_REL1_STR-RLNUM sy-vline 
WA_HRPAYCA_S_REL1_STR-PERID sy-vline 
WA_HRPAYCA_S_REL1_STR-PERNR sy-vline 
WA_HRPAYCA_S_REL1_STR-MODIFIE sy-vline 
WA_HRPAYCA_S_REL1_STR-NACHN sy-vline 
WA_HRPAYCA_S_REL1_STR-VORNA sy-vline 
WA_HRPAYCA_S_REL1_STR-INITS sy-vline 
WA_HRPAYCA_S_REL1_STR-CAREOF sy-vline 
WA_HRPAYCA_S_REL1_STR-STRAS sy-vline 
WA_HRPAYCA_S_REL1_STR-LOCAT sy-vline 
WA_HRPAYCA_S_REL1_STR-ORT01 sy-vline 
WA_HRPAYCA_S_REL1_STR-STATE sy-vline 
WA_HRPAYCA_S_REL1_STR-PSTLZ sy-vline 
WA_HRPAYCA_S_REL1_STR-LAND1 sy-vline 
WA_HRPAYCA_S_REL1_STR-CUSTOM sy-vline 
WA_HRPAYCA_S_REL1_STR-EMPLR_BUTXT sy-vline 
WA_HRPAYCA_S_REL1_STR-EMPLR_NAME1 sy-vline 
WA_HRPAYCA_S_REL1_STR-EMPLR_NAME2 sy-vline 
WA_HRPAYCA_S_REL1_STR-EMPLR_STRAS sy-vline 
WA_HRPAYCA_S_REL1_STR-EMPLR_ORT01 sy-vline 
WA_HRPAYCA_S_REL1_STR-EMPLR_REGIO sy-vline 
WA_HRPAYCA_S_REL1_STR-EMPLR_PSTLZ sy-vline 
WA_HRPAYCA_S_REL1_STR-OCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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