ABAP Select data from SAP table HREG_S_GRAD_WAGE_INCR_PDF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HREG_S_GRAD_WAGE_INCR_PDF
*  INTO TABLE @DATA(IT_HREG_S_GRAD_WAGE_INCR_PDF2).
*--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_HREG_S_GRAD_WAGE_INCR_PDF INDEX 1 INTO DATA(WA_HREG_S_GRAD_WAGE_INCR_PDF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HREG_S_GRAD_WAGE_INCR_PDF>-SEQNO = 1.
<HREG_S_GRAD_WAGE_INCR_PDF>-RPDAT = 1.
<HREG_S_GRAD_WAGE_INCR_PDF>-BUKRS = 1.
<HREG_S_GRAD_WAGE_INCR_PDF>-BUTXT = 1.
<HREG_S_GRAD_WAGE_INCR_PDF>-PERNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HREG_S_GRAD_WAGE_INCR_PDF-ENAME, sy-vline,
  WA_HREG_S_GRAD_WAGE_INCR_PDF-HDATE, sy-vline,
  WA_HREG_S_GRAD_WAGE_INCR_PDF-SINUM, sy-vline,
  WA_HREG_S_GRAD_WAGE_INCR_PDF-MOBRT, sy-vline,
  WA_HREG_S_GRAD_WAGE_INCR_PDF-WAERS, sy-vline,
  WA_HREG_S_GRAD_WAGE_INCR_PDF-GRAD_WAGE_INC_LIST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HREG_S_GRAD_WAGE_INCR_PDF 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_HREG_S_GRAD_WAGE_INCR_PDF 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_HREG_S_GRAD_WAGE_INCR_PDF INTO WA_HREG_S_GRAD_WAGE_INCR_PDF.


*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_HREG_S_GRAD_WAGE_INCR_PDF_STR, 
SEQNO TYPE STRING,
RPDAT TYPE STRING,
BUKRS TYPE STRING,
BUTXT TYPE STRING,
PERNR TYPE STRING,
ENAME TYPE STRING,
HDATE TYPE STRING,
SINUM TYPE STRING,
MOBRT TYPE STRING,
WAERS TYPE STRING,
GRAD_WAGE_INC_LIST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HREG_S_GRAD_WAGE_INCR_PDF_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_HREG_S_GRAD_WAGE_INCR_PDF_STR-SEQNO sy-vline 
WA_HREG_S_GRAD_WAGE_INCR_PDF_STR-RPDAT sy-vline 
WA_HREG_S_GRAD_WAGE_INCR_PDF_STR-BUKRS sy-vline 
WA_HREG_S_GRAD_WAGE_INCR_PDF_STR-BUTXT sy-vline 
WA_HREG_S_GRAD_WAGE_INCR_PDF_STR-PERNR sy-vline 
WA_HREG_S_GRAD_WAGE_INCR_PDF_STR-ENAME sy-vline 
WA_HREG_S_GRAD_WAGE_INCR_PDF_STR-HDATE sy-vline 
WA_HREG_S_GRAD_WAGE_INCR_PDF_STR-SINUM sy-vline 
WA_HREG_S_GRAD_WAGE_INCR_PDF_STR-MOBRT sy-vline 
WA_HREG_S_GRAD_WAGE_INCR_PDF_STR-WAERS sy-vline 
WA_HREG_S_GRAD_WAGE_INCR_PDF_STR-GRAD_WAGE_INC_LIST sy-vline      INTO ld_text SEPARATED BY SPACE.

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