ABAP Select data from SAP table HRPAYBE_OLDTABLES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYBE_OLDTABLES
*  INTO TABLE @DATA(IT_HRPAYBE_OLDTABLES2).
*--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_HRPAYBE_OLDTABLES INDEX 1 INTO DATA(WA_HRPAYBE_OLDTABLES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYBE_OLDTABLES>-SEQNR = 1.
<HRPAYBE_OLDTABLES>-TAB_OBEEVL = 1.
<HRPAYBE_OLDTABLES>-OVERSC = 1.
<HRPAYBE_OLDTABLES>-MOLGA = 1.
<HRPAYBE_OLDTABLES>-ABKRS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYBE_OLDTABLES-JUPER, sy-vline,
  WA_HRPAYBE_OLDTABLES-WAERS, sy-vline,
  WA_HRPAYBE_OLDTABLES-GROSS, sy-vline,
  WA_HRPAYBE_OLDTABLES-GDATE, sy-vline,
  WA_HRPAYBE_OLDTABLES-NET, sy-vline,
  WA_HRPAYBE_OLDTABLES-NDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYBE_OLDTABLES 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_HRPAYBE_OLDTABLES 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_HRPAYBE_OLDTABLES INTO WA_HRPAYBE_OLDTABLES.


*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_HRPAYBE_OLDTABLES_STR, 
SEQNR TYPE STRING,
TAB_OBEEVL TYPE STRING,
OVERSC TYPE STRING,
MOLGA TYPE STRING,
ABKRS TYPE STRING,
JUPER TYPE STRING,
WAERS TYPE STRING,
GROSS TYPE STRING,
GDATE TYPE STRING,
NET TYPE STRING,
NDATE TYPE STRING,
FPBEG TYPE STRING,
FPEND TYPE STRING,
IPERM TYPE STRING,
INPER TYPE STRING,
BONDT TYPE STRING,
PAYTY TYPE STRING,
PAYID TYPE STRING,
VOID TYPE STRING,
VOIDD TYPE STRING,
VOIDT TYPE STRING,
VOIDR TYPE STRING,
PAYDT TYPE STRING,
FPPER TYPE STRING,
PERMO TYPE STRING,
INPTY TYPE STRING,
INPID TYPE STRING,
IPEND TYPE STRING,
RUNDT TYPE STRING,
RUNTM TYPE STRING,
IABKRS TYPE STRING,
OCRSN TYPE STRING,
INOCR TYPE STRING,
OCCAT TYPE STRING,
INOCC TYPE STRING,
REVERSAL TYPE STRING,
OUTOFSEQ TYPE STRING,
OOSDATE TYPE STRING,
PERSON TYPE STRING,
PERSDATA TYPE STRING,
BRACKET TYPE STRING,
TAB_OSV TYPE STRING,
TAB_OSVEVL TYPE STRING,
PERNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYBE_OLDTABLES_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_HRPAYBE_OLDTABLES_STR-SEQNR sy-vline 
WA_HRPAYBE_OLDTABLES_STR-TAB_OBEEVL sy-vline 
WA_HRPAYBE_OLDTABLES_STR-OVERSC sy-vline 
WA_HRPAYBE_OLDTABLES_STR-MOLGA sy-vline 
WA_HRPAYBE_OLDTABLES_STR-ABKRS sy-vline 
WA_HRPAYBE_OLDTABLES_STR-JUPER sy-vline 
WA_HRPAYBE_OLDTABLES_STR-WAERS sy-vline 
WA_HRPAYBE_OLDTABLES_STR-GROSS sy-vline 
WA_HRPAYBE_OLDTABLES_STR-GDATE sy-vline 
WA_HRPAYBE_OLDTABLES_STR-NET sy-vline 
WA_HRPAYBE_OLDTABLES_STR-NDATE sy-vline 
WA_HRPAYBE_OLDTABLES_STR-FPBEG sy-vline 
WA_HRPAYBE_OLDTABLES_STR-FPEND sy-vline 
WA_HRPAYBE_OLDTABLES_STR-IPERM sy-vline 
WA_HRPAYBE_OLDTABLES_STR-INPER sy-vline 
WA_HRPAYBE_OLDTABLES_STR-BONDT sy-vline 
WA_HRPAYBE_OLDTABLES_STR-PAYTY sy-vline 
WA_HRPAYBE_OLDTABLES_STR-PAYID sy-vline 
WA_HRPAYBE_OLDTABLES_STR-VOID sy-vline 
WA_HRPAYBE_OLDTABLES_STR-VOIDD sy-vline 
WA_HRPAYBE_OLDTABLES_STR-VOIDT sy-vline 
WA_HRPAYBE_OLDTABLES_STR-VOIDR sy-vline 
WA_HRPAYBE_OLDTABLES_STR-PAYDT sy-vline 
WA_HRPAYBE_OLDTABLES_STR-FPPER sy-vline 
WA_HRPAYBE_OLDTABLES_STR-PERMO sy-vline 
WA_HRPAYBE_OLDTABLES_STR-INPTY sy-vline 
WA_HRPAYBE_OLDTABLES_STR-INPID sy-vline 
WA_HRPAYBE_OLDTABLES_STR-IPEND sy-vline 
WA_HRPAYBE_OLDTABLES_STR-RUNDT sy-vline 
WA_HRPAYBE_OLDTABLES_STR-RUNTM sy-vline 
WA_HRPAYBE_OLDTABLES_STR-IABKRS sy-vline 
WA_HRPAYBE_OLDTABLES_STR-OCRSN sy-vline 
WA_HRPAYBE_OLDTABLES_STR-INOCR sy-vline 
WA_HRPAYBE_OLDTABLES_STR-OCCAT sy-vline 
WA_HRPAYBE_OLDTABLES_STR-INOCC sy-vline 
WA_HRPAYBE_OLDTABLES_STR-REVERSAL sy-vline 
WA_HRPAYBE_OLDTABLES_STR-OUTOFSEQ sy-vline 
WA_HRPAYBE_OLDTABLES_STR-OOSDATE sy-vline 
WA_HRPAYBE_OLDTABLES_STR-PERSON sy-vline 
WA_HRPAYBE_OLDTABLES_STR-PERSDATA sy-vline 
WA_HRPAYBE_OLDTABLES_STR-BRACKET sy-vline 
WA_HRPAYBE_OLDTABLES_STR-TAB_OSV sy-vline 
WA_HRPAYBE_OLDTABLES_STR-TAB_OSVEVL sy-vline 
WA_HRPAYBE_OLDTABLES_STR-PERNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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