ABAP Select data from SAP table PA0198 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PA0198 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 PA0198. 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 PA0198 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_PA0198 TYPE STANDARD TABLE OF PA0198,
      WA_PA0198 TYPE PA0198,
      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: <PA0198> TYPE PA0198.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PA0198.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PA0198
  INTO TABLE IT_PA0198.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PA0198
*  INTO TABLE @DATA(IT_PA01982).
*--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_PA0198 INDEX 1 INTO DATA(WA_PA01982).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PA0198 ASSIGNING <PA0198>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PA0198>-MANDT = 1.
<PA0198>-PERNR = 1.
<PA0198>-SUBTY = 1.
<PA0198>-OBJPS = 1.
<PA0198>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_PA0198 INTO WA_PA0198.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PA0198-ENDDA, sy-vline,
  WA_PA0198-BEGDA, sy-vline,
  WA_PA0198-SEQNR, sy-vline,
  WA_PA0198-AEDTM, sy-vline,
  WA_PA0198-UNAME, sy-vline,
  WA_PA0198-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PA0198 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_PA0198 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_PA0198 INTO WA_PA0198.


*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_PA0198_STR, 
MANDT TYPE STRING,
PERNR TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
HISTO TYPE STRING,
ITXEX TYPE STRING,
REFEX TYPE STRING,
ORDEX TYPE STRING,
ITBLD TYPE STRING,
PREAS TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
RESE1 TYPE STRING,
RESE2 TYPE STRING,
GRPVL TYPE STRING,
TXTYP TYPE STRING,
TNOEE TYPE STRING,
TNOER TYPE STRING,
TXOFF TYPE STRING,
WIFWS TYPE STRING,
NUMCH TYPE STRING,
MARST TYPE STRING,
TXEMR TYPE STRING,
TAXOP TYPE STRING,
TCTGF TYPE STRING,
EXCUR TYPE STRING,
MEDPR TYPE STRING,
EQDIS TYPE STRING,
SFDIS TYPE STRING,
SPDIS TYPE STRING,
EDFEE TYPE STRING,
MEDSD TYPE STRING,
MEDEX TYPE STRING,
BKALW TYPE STRING,
PCALW TYPE STRING,
DSSPN TYPE STRING,
SPCTR TYPE STRING,
ALIMY TYPE STRING,
LFINS TYPE STRING,
EDMIN TYPE STRING,
ZKDED TYPE STRING,
TEMPE TYPE STRING,
GRREN TYPE STRING,
TOTPF TYPE STRING,
PRSTD TYPE STRING,
RELIF TYPE STRING,
ASPRE TYPE STRING,
HSLIN TYPE STRING,
BRBSF TYPE STRING,
DISSF TYPE STRING,
DISSP TYPE STRING,
EECAT TYPE STRING,
PENTP TYPE STRING,
SOCPY TYPE STRING,
PARCA TYPE STRING,
PARCM TYPE STRING,
LIFES TYPE STRING,
BREAS TYPE STRING,
CHIDC TYPE STRING,
DOMTU TYPE STRING,
HPNBT TYPE STRING,
NUCHH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PA0198_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_PA0198_STR-MANDT sy-vline 
WA_PA0198_STR-PERNR sy-vline 
WA_PA0198_STR-SUBTY sy-vline 
WA_PA0198_STR-OBJPS sy-vline 
WA_PA0198_STR-SPRPS sy-vline 
WA_PA0198_STR-ENDDA sy-vline 
WA_PA0198_STR-BEGDA sy-vline 
WA_PA0198_STR-SEQNR sy-vline 
WA_PA0198_STR-AEDTM sy-vline 
WA_PA0198_STR-UNAME sy-vline 
WA_PA0198_STR-HISTO sy-vline 
WA_PA0198_STR-ITXEX sy-vline 
WA_PA0198_STR-REFEX sy-vline 
WA_PA0198_STR-ORDEX sy-vline 
WA_PA0198_STR-ITBLD sy-vline 
WA_PA0198_STR-PREAS sy-vline 
WA_PA0198_STR-FLAG1 sy-vline 
WA_PA0198_STR-FLAG2 sy-vline 
WA_PA0198_STR-FLAG3 sy-vline 
WA_PA0198_STR-FLAG4 sy-vline 
WA_PA0198_STR-RESE1 sy-vline 
WA_PA0198_STR-RESE2 sy-vline 
WA_PA0198_STR-GRPVL sy-vline 
WA_PA0198_STR-TXTYP sy-vline 
WA_PA0198_STR-TNOEE sy-vline 
WA_PA0198_STR-TNOER sy-vline 
WA_PA0198_STR-TXOFF sy-vline 
WA_PA0198_STR-WIFWS sy-vline 
WA_PA0198_STR-NUMCH sy-vline 
WA_PA0198_STR-MARST sy-vline 
WA_PA0198_STR-TXEMR sy-vline 
WA_PA0198_STR-TAXOP sy-vline 
WA_PA0198_STR-TCTGF sy-vline 
WA_PA0198_STR-EXCUR sy-vline 
WA_PA0198_STR-MEDPR sy-vline 
WA_PA0198_STR-EQDIS sy-vline 
WA_PA0198_STR-SFDIS sy-vline 
WA_PA0198_STR-SPDIS sy-vline 
WA_PA0198_STR-EDFEE sy-vline 
WA_PA0198_STR-MEDSD sy-vline 
WA_PA0198_STR-MEDEX sy-vline 
WA_PA0198_STR-BKALW sy-vline 
WA_PA0198_STR-PCALW sy-vline 
WA_PA0198_STR-DSSPN sy-vline 
WA_PA0198_STR-SPCTR sy-vline 
WA_PA0198_STR-ALIMY sy-vline 
WA_PA0198_STR-LFINS sy-vline 
WA_PA0198_STR-EDMIN sy-vline 
WA_PA0198_STR-ZKDED sy-vline 
WA_PA0198_STR-TEMPE sy-vline 
WA_PA0198_STR-GRREN sy-vline 
WA_PA0198_STR-TOTPF sy-vline 
WA_PA0198_STR-PRSTD sy-vline 
WA_PA0198_STR-RELIF sy-vline 
WA_PA0198_STR-ASPRE sy-vline 
WA_PA0198_STR-HSLIN sy-vline 
WA_PA0198_STR-BRBSF sy-vline 
WA_PA0198_STR-DISSF sy-vline 
WA_PA0198_STR-DISSP sy-vline 
WA_PA0198_STR-EECAT sy-vline 
WA_PA0198_STR-PENTP sy-vline 
WA_PA0198_STR-SOCPY sy-vline 
WA_PA0198_STR-PARCA sy-vline 
WA_PA0198_STR-PARCM sy-vline 
WA_PA0198_STR-LIFES sy-vline 
WA_PA0198_STR-BREAS sy-vline 
WA_PA0198_STR-CHIDC sy-vline 
WA_PA0198_STR-DOMTU sy-vline 
WA_PA0198_STR-HPNBT sy-vline 
WA_PA0198_STR-NUCHH sy-vline      INTO ld_text SEPARATED BY SPACE.

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