ABAP Select data from SAP table HRPAYCH_BGAC3_OUTPUT_HEADER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRPAYCH_BGAC3_OUTPUT_HEADER 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_BGAC3_OUTPUT_HEADER. 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_BGAC3_OUTPUT_HEADER 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_BGAC3_OUTPUT_HEADER TYPE STANDARD TABLE OF HRPAYCH_BGAC3_OUTPUT_HEADER,
      WA_HRPAYCH_BGAC3_OUTPUT_HEADER TYPE HRPAYCH_BGAC3_OUTPUT_HEADER,
      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_BGAC3_OUTPUT_HEADER> TYPE HRPAYCH_BGAC3_OUTPUT_HEADER.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRPAYCH_BGAC3_OUTPUT_HEADER.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRPAYCH_BGAC3_OUTPUT_HEADER
  INTO TABLE IT_HRPAYCH_BGAC3_OUTPUT_HEADER.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYCH_BGAC3_OUTPUT_HEADER
*  INTO TABLE @DATA(IT_HRPAYCH_BGAC3_OUTPUT_HEADER2).
*--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_BGAC3_OUTPUT_HEADER INDEX 1 INTO DATA(WA_HRPAYCH_BGAC3_OUTPUT_HEADER2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRPAYCH_BGAC3_OUTPUT_HEADER ASSIGNING <HRPAYCH_BGAC3_OUTPUT_HEADER>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYCH_BGAC3_OUTPUT_HEADER>-NAME1 = 1.
<HRPAYCH_BGAC3_OUTPUT_HEADER>-NAME2 = 1.
<HRPAYCH_BGAC3_OUTPUT_HEADER>-STRASSE = 1.
<HRPAYCH_BGAC3_OUTPUT_HEADER>-ORT = 1.
<HRPAYCH_BGAC3_OUTPUT_HEADER>-ZUSATZ = 1.

ENDLOOP.

LOOP AT IT_HRPAYCH_BGAC3_OUTPUT_HEADER INTO WA_HRPAYCH_BGAC3_OUTPUT_HEADER.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYCH_BGAC3_OUTPUT_HEADER-UNUMMER, sy-vline,
  WA_HRPAYCH_BGAC3_OUTPUT_HEADER-KONTAKTP, sy-vline,
  WA_HRPAYCH_BGAC3_OUTPUT_HEADER-TELEFON, sy-vline,
  WA_HRPAYCH_BGAC3_OUTPUT_HEADER-UGROESSE, sy-vline,
  WA_HRPAYCH_BGAC3_OUTPUT_HEADER-SELECTION, sy-vline,
  WA_HRPAYCH_BGAC3_OUTPUT_HEADER-SURVEYYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYCH_BGAC3_OUTPUT_HEADER 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_BGAC3_OUTPUT_HEADER 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_BGAC3_OUTPUT_HEADER INTO WA_HRPAYCH_BGAC3_OUTPUT_HEADER.


*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 SURVEYYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCH_BGAC3_OUTPUT_HEADER-SURVEYYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCH_BGAC3_OUTPUT_HEADER-SURVEYYEAR.
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_BGAC3_OUTPUT_HEADER_STR, 
NAME1 TYPE STRING,
NAME2 TYPE STRING,
STRASSE TYPE STRING,
ORT TYPE STRING,
ZUSATZ TYPE STRING,
UNUMMER TYPE STRING,
KONTAKTP TYPE STRING,
TELEFON TYPE STRING,
UGROESSE TYPE STRING,
SELECTION TYPE STRING,
SURVEYYEAR TYPE STRING,
ABREH TYPE STRING,
PAYAGREEMENT TYPE STRING,
LSEVERSION TYPE STRING,
UIDBFS TYPE STRING,
PRODUCER TYPE STRING,
LASTNAME TYPE STRING,
FIRSTNAME TYPE STRING,
EMAILADDRESS TYPE STRING,
PHONENUMBER TYPE STRING,
MOBILENUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYCH_BGAC3_OUTPUT_HEADER_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_BGAC3_OUTPUT_HEADER_STR-NAME1 sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-NAME2 sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-STRASSE sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-ORT sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-ZUSATZ sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-UNUMMER sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-KONTAKTP sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-TELEFON sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-UGROESSE sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-SELECTION sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-SURVEYYEAR sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-ABREH sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-PAYAGREEMENT sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-LSEVERSION sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-UIDBFS sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-PRODUCER sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-LASTNAME sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-FIRSTNAME sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-EMAILADDRESS sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-PHONENUMBER sy-vline 
WA_HRPAYCH_BGAC3_OUTPUT_HEADER_STR-MOBILENUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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